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Dr. Mark Andrew Liker, MD

Accepting New Patients

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Specializes in: Spine Surgery and Neurosurgery
SUNY Downstate Medical Center College of Medicine (1995)
Professional interests include: peripheral nerve surgery, brain surgery, cervical laminoplasty, and more.
77 Rolling Oaks Drive Suite 203
Thousand Oaks, CA 91361

Dr. Mark Andrew Liker, MD is a spine surgeon in Los Angeles, CA specializing in spine surgery and neurosurgery. He graduated from SUNY Downstate Medical Center College of Medicine in 1995 and has 31 years of experience. Dr. Mark Andrew Liker, MD is affiliated with Providence Saint Joseph Medical Center, Dignity Health, Northridge Hospital Medical Center, Providence Holy Cross Medical Center, Children's Hospital of Orange County, Keck Medical Center of USC, Providence Little Company of Mary Medical Center Torrance, Providence and California Neurosurgical Institute.

View Doctor's Full Profile (818) 827-2720

Office Locations

Keck Medical Center of USC

1520 San Pablo Street Hc2 - Suite 3800 Hc2 - Suite 3800
Los Angeles, CA 90033
(323) 442-5720
open_in_new

Keck Medical Center of USC

1751 Foothill Boulevard Suite 2 Suite 2
La Canada Flintridge, CA 91011
(818) 952-2171
open_in_new

Children's Hospital of Orange County

23929 Mcbean Parkway Suite 215
Valencia, CA 91350
(661) 799-2542
(661) 253-0248
open_in_new

Providence

25751 Mcbean Parkway Suite 305
Valencia, CA 91355
(661) 799-2542
open_in_new

Northridge Hospital Medical Center

3008 Sillect Avenue Suite 100
Bakersfield, CA 93308
(661) 414-9100
(661) 735-3960
open_in_new

California Neurosurgical Institute

77 Rolling Oaks Drive Suite 203
Thousand Oaks, CA 91361
(818) 827-2720
open_in_new

Some issues Dr. Mark Andrew Liker, MD can help you with:

Craniotomy

Craniotomy and craniectomy are surgical procedures used to access the brain and treat tumors, intracranial pressure, or other conditions. These surgeries are performed by creating holes in the skull, or cranium, to expose the brain. The opening in the skull can be immediately replaced (craniotomy), or it can be replaced during a later procedure (craniectomy). The following procedures use craniotomy or craniectomy:

  • Brain biopsy, which is done by guiding a needle through the opening in the skull to the targeted area of the brain. This procedure may be performed through an open or minimally invasive approach. The minimally invasive approach, called stereotactic brain biopsy, uses a computer to guide the needle.
  • Brain tumor resection, which may be performed following a biopsy with image guidance. Depending on the size and location of the tumor, resection will require 2-5 hours.
  • Cerebrospinal fluid (CSF) leak repair, particularly for leaks that continue for a long period of time after a surgery. CSF leaks that are left untreated can lead to complications such as meningitis, an inflammation of the outer layers (meninges) of the brain.
  • Decompression, often following a stroke or injury. Decompressive craniotomy or craniectomy temporarily removes a flap from the skull to give the brain more room for swelling, which provides pressure relief.
  • Hematoma evacuation, which can also relieve pressure on the brain. A hematoma is a swelling of clotted blood. It can occur between the skull and the outer covering of the brain, or dura (epidural), between the dura and the brain (subdural), and within the brain (intracerebral). Craniotomy or craniectomy may be used to access and remove the hematoma.

To perform a craniotomy, the surgeon will need to make an incision on the scalp to expose the skull. Some of the hair may be shaved, and the scalp will be cleaned with antiseptic solution. Following the incision, the surgeon will use a drill to remove a piece of the skull, called a bone or skull flap. If the surgeon needs to reach a tumor or perform an aspiration, the dura, which covers the brain, will be incised (cut) to access the lesion. The bone flap will be reattached once the surgeon has completed the procedure. If the surgeon is performing a craniectomy, the same steps will be followed, but a mesh piece will be placed where the bone flap was, and the scalp will be surgically closed. Patients will need to wear a special helmet for a few months after the procedure. The bone flap will be preserved and replaced during a later operation, or it may never be replaced.

Patient recovery period can range from two days to two weeks, depending on the specific procedure and condition. Patient will require monitoring and may be given medication for pain or brain swelling. Patients will have to restrict their physical activity for some time after the procedure, and they may need to work with a physical therapist.

Hydrocephalus

Normally, the brain is bathed in a liquid called cerebrospinal fluid. This fluid cushions and nurtures the brain cells as it flows around and through the brain. Sometimes, cerebrospinal fluid does not get reabsorbed into the body properly, or a blockage in the brain can stop it from flowing. This causes a buildup of pressure called hydrocephalus. This condition affects a wide range of people, but it is much more prevalent among infants and older adults. Left untreated, hydrocephalus can cause uncomfortable symptoms, such as headaches and blurred vision, and eventually may cause brain damage.

Hydrocephalus is most often treated with an implanted device called a shunt. A shunt is a long, thin tube that is used to drain excess fluid. One end is placed within the brain. The tube runs under the skin, along the neck behind the ear, and to another part of the body where the fluid can be reabsorbed. Most often this is the abdomen, but the chest or other areas can also be used. Shunts have a valve that allows doctors to monitor and control the pressure within the brain. Insertion of a shunt is a surgical procedure that takes one to two hours. Incisions are made in the head and the abdomen, and the shunt is threaded into place before the openings are stitched closed.

In cases where hydrocephalus is caused by a blockage, a procedure called endoscopic third ventriculostomy, or ETV, may be performed. During this procedure, a surgeon makes a dime-sized hole in the skull and uses a thin tube with a camera on the end (called an endoscope) to see inside the brain. The surgeon punctures a hole in the floor of the third ventricle, a fluid-filled space within the brain. The hole provides an opening for cerebrospinal fluid to flow around the blockage, normalizing pressure. The entire procedure usually takes less than an hour and patients can often go home the following day. ETV can provide a permanent and safe alternative to a shunt, but it is only useful for patients whose hydrocephalus is caused by a blockage.

Spinal Fusion

Spinal fusion is a surgical procedure to permanently join together two or more vertebrae, the bones in the spine. Certain spinal disorders can lead to instability and pain, and the idea behind spinal fusion is that fusing vertebrae together can both make them stronger and reduce motion, which can sometimes reduce pain.

There are several different types of spinal fusion surgery available, mostly depending on where a patient's pain is located and whether his or her surgeon will perform the procedure through the back, front, or side. In general, a fusion is performed by packing the vertebrae to be fused with grafted bone. This bone may be taken from the patient's hip, may be donated from a cadaver, or it may be a manufactured synthetic material. The bone is placed along the vertebrae, and sometimes, the disc that lies in between the vertebrae is removed and replaced with grafted bone. The bone material will grow and cement the two vertebrae together. After the bone graft is placed, the vertebrae are sometimes held in place with rods, screws, plates, or cages, depending on the weakness of the spine and needs of the graft.

Spinal fusion is a significant surgery and can take three to four hours or more. Recovery is typically two to four days in the hospital. After surgery, it is important to remember that the fusion takes time to grow from the bone graft. So, the actual fusion is not complete for several months. Patients will probably feel somewhat better right away, but it may take a while to feel the full effects of the fusion as the bone grows into place. In the meantime, doctors might have patients wear a brace to protect their spine and keep it properly aligned.

Spinal fusion is not used for all kinds of back pain. Changing the way the spine moves can lead to strain on the other joints in the back, and fusion is only performed when the benefits outweigh the risks. Some spine disorders that are treated with fusion include:

  • Curvature disorders, such as scoliosis and kyphosis
  • Degenerative disc disease
  • Spondylolisthesis, a disorder that causes vertebrae to slip over each other
  • Significant spinal fractures that cause instability
  • Weakened spine due to infection or tumor
  • Some cases of spinal stenosis, a narrowing of the spinal column
  • Chronic lower back pain (although the use of fusion to treat this is controversial)

Regardless of the diagnosis, there is always a possibility of 'failure' with spinal fusion, or of the surgery not fully solving the pain. This is more likely when fusion is used primarily to treat pain instead of structural problems. Patients can improve their chances of a successful outcome by stopping smoking, maintaining a healthy weight, moving their body every day, and following their doctor's instructions for any physical therapy that they are prescribed.

In The News (see more mentions in the news)

“While McCarty referenced medical studies that show tackle football to be dangerous for kids, Dr. Mark Liker is actually against banning the sport for kids.”—"Bill seeks to sack youth tackle football", Santa Clarita Valley Signal, January 2024
“Joining orthopedic surgeons Dr. Anand Shah and Dr. Mehul Taylor are Dr. Mark Liker and Dr. Bjorn Lobo, both of whom are prominent, board-certified neurosurgeons and leaders in minimally invasive...”—"TriasMD acquires Gateway Surgery Center", Santa Clarita Valley Signal, March 2023
“Local neurosurgeon Dr. Mark Liker is making strides with brain stimulation therapy at his recently opened Valencia center, supporting brain health in patients of all ages.”—"Technology Archives", Santa Clarita Valley Signal, October 2021

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2012 were hospital care, inpatient care, neurostimulator replacement and implant surgery.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

doctor visit 396
hospital care 55
implant surgery 14
inpatient care 55
neurostimulator replacement 14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2013 were hospital care, inpatient care, spinal procedures and neurostimulator replacement.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

cranial surgery 13
decompression surgery 18
doctor visit 515
hospital care 65
implant surgery 20
inpatient care 65
nerve procedures 18
neurostimulator lead placement 13
neurostimulator replacement 20
spinal procedures 29

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 187
Female 242
Ethnicity
Non-Hispanic White 315
Black 16
Hispanic 70
Asian 17
Other 0
Native American 0
Age
From 65 to 74 178
From 75 to 84 101
85 and over 36
Less than 65 114

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2013

Hypertension 69
High Cholesterol 54
Stroke 9
Ischemic Heart Disease 37
Depression 34
Chronic Kidney Disease 27
Asthma 9
Osteoperosis 14
Atrial Fibrilation 10
Heart Failure 21
Chronic Obstructive Pulmonary Disease 20
Diabetes 32
Dementia 14
Cancer 9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2014 were hospital care, inpatient care, spinal procedures and neurostimulator replacement.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

arthrodesis (bone fusion surgery) 11
cranial surgery 12
decompression surgery 23
doctor visit 419
hospital care 75
implant surgery 29
inpatient care 75
neck surgery 11
nerve procedures 23
neurostimulator lead placement 12
neurostimulator replacement 29
spinal procedures 40

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 178
Female 213
Ethnicity
Non-Hispanic White 284
Black 16
Hispanic 55
Asian 24
Other 0
Native American 0
Age
From 65 to 74 158
From 75 to 84 98
85 and over 40
Less than 65 95

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2014

Hypertension 69
High Cholesterol 53
Stroke 13
Ischemic Heart Disease 40
Depression 33
Chronic Kidney Disease 25
Asthma 14
Osteoperosis 16
Atrial Fibrilation 13
Heart Failure 21
Chronic Obstructive Pulmonary Disease 16
Diabetes 28
Dementia 18
Cancer 11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2015 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

decompression surgery 14
doctor visit 284
hospital care 78
implant surgery 12
inpatient care 78
nerve procedures 14
neurostimulator replacement 12
spinal procedures 25

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 356
Female 334
Ethnicity
Non-Hispanic White 536
Black 0
Hispanic 70
Asian 38
Other 0
Native American 0
Age
From 65 to 74 314
From 75 to 84 144
85 and over 74
Less than 65 158

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2015

Hypertension 70
High Cholesterol 57
Stroke 18
Ischemic Heart Disease 44
Depression 34
Chronic Kidney Disease 28
Asthma 17
Osteoperosis 16
Atrial Fibrilation 9
Heart Failure 27
Chronic Obstructive Pulmonary Disease 17
Diabetes 33
Dementia 14
Cancer 8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2016 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

decompression surgery 33
doctor visit 346
hospital care 101
implant surgery 14
inpatient care 101
nerve procedures 33
neurostimulator replacement 14
spinal procedures 53

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 174
Female 207
Ethnicity
Non-Hispanic White 288
Black 0
Hispanic 48
Asian 24
Other 0
Native American 0
Age
From 65 to 74 154
From 75 to 84 111
85 and over 28
Less than 65 88

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2016

Hypertension 72
High Cholesterol 58
Stroke 16
Ischemic Heart Disease 41
Depression 36
Chronic Kidney Disease 30
Asthma 22
Osteoperosis 11
Atrial Fibrilation 8
Heart Failure 24
Chronic Obstructive Pulmonary Disease 18
Diabetes 35
Dementia 19
Cancer 12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2017 were hospital care, inpatient care, spinal procedures and neurostimulator replacement.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

decompression surgery 19
doctor visit 328
hospital care 84
implant surgery 31
inpatient care 84
nerve procedures 19
neurostimulator replacement 31
spinal procedures 32

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 171
Female 200
Ethnicity
Non-Hispanic White 292
Black 0
Hispanic 46
Asian 17
Other 0
Native American 0
Age
From 65 to 74 167
From 75 to 84 102
85 and over 29
Less than 65 73

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2017

Hypertension 75
High Cholesterol 56
Stroke 13
Ischemic Heart Disease 41
Depression 37
Chronic Kidney Disease 32
Asthma 12
Osteoperosis 13
Atrial Fibrilation 11
Heart Failure 25
Chronic Obstructive Pulmonary Disease 21
Diabetes 33
Dementia 15
Cancer 10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2018 were spinal procedures, hospital care, inpatient care and neurostimulator replacement.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

arthrodesis (bone fusion surgery) 13
decompression surgery 24
doctor visit 323
hospital care 66
implant surgery 39
inpatient care 66
minimally invasive procedures 13
nerve procedures 24
neurostimulator lead placement 20
neurostimulator replacement 39
spinal procedures 95

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 175
Female 186
Ethnicity
Non-Hispanic White 280
Black 0
Hispanic 48
Asian 12
Other 0
Native American 0
Age
From 65 to 74 169
From 75 to 84 99
85 and over 22
Less than 65 71

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2018

Hypertension 71
High Cholesterol 60
Stroke 11
Ischemic Heart Disease 41
Depression 36
Chronic Kidney Disease 37
Asthma 11
Osteoperosis 14
Atrial Fibrilation 10
Heart Failure 22
Chronic Obstructive Pulmonary Disease 16
Diabetes 38
Dementia 12
Cancer 10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2019 were hospital care, inpatient care, spinal procedures and neurostimulator replacement.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

decompression surgery 11
doctor visit 306
hospital care 111
implant surgery 30
inpatient care 111
nerve procedures 11
neurostimulator lead placement 11
neurostimulator replacement 30
spinal procedures 67

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 171
Female 202
Ethnicity
Non-Hispanic White 278
Black 0
Hispanic 50
Asian 21
Other 0
Native American 0
Age
From 65 to 74 155
From 75 to 84 119
85 and over 37
Less than 65 62

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2019

Hypertension 75
High Cholesterol 65
Stroke 17
Ischemic Heart Disease 39
Depression 40
Chronic Kidney Disease 38
Asthma 13
Osteoperosis 14
Atrial Fibrilation 14
Heart Failure 26
Chronic Obstructive Pulmonary Disease 21
Diabetes 38
Dementia 22
Cancer 13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2020 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

arthrodesis (bone fusion surgery) 12
decompression surgery 27
doctor visit 214
hospital care 113
implant surgery 12
inpatient care 113
neck surgery 12
nerve procedures 27
neurostimulator replacement 12
spinal procedures 55

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 137
Female 175
Ethnicity
Non-Hispanic White 233
Black 0
Hispanic 43
Asian 15
Other 0
Native American 0
Age
From 65 to 74 137
From 75 to 84 86
85 and over 34
Less than 65 55

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2020

Hypertension 75
High Cholesterol 62
Stroke 19
Ischemic Heart Disease 40
Depression 37
Chronic Kidney Disease 40
Asthma 10
Osteoperosis 14
Atrial Fibrilation 11
Heart Failure 22
Chronic Obstructive Pulmonary Disease 16
Diabetes 35
Dementia 22
Cancer 9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2021 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

arthrodesis (bone fusion surgery) 12
decompression surgery 25
doctor visit 278
hospital care 109
implant surgery 25
inpatient care 109
neck surgery 12
nerve procedures 25
neurostimulator replacement 25
spinal procedures 68

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 161
Female 182
Ethnicity
Non-Hispanic White 262
Black 0
Hispanic 45
Asian 20
Other 0
Native American 0
Age
From 65 to 74 146
From 75 to 84 98
85 and over 44
Less than 65 55

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2021

Hypertension 75
High Cholesterol 70
Stroke 16
Ischemic Heart Disease 39
Depression 39
Chronic Kidney Disease 37
Asthma 13
Osteoperosis 17
Atrial Fibrilation 11
Heart Failure 27
Chronic Obstructive Pulmonary Disease 17
Diabetes 34
Dementia 20
Cancer 14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA during 2022 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

decompression surgery 11
doctor visit 401
hospital care 105
inpatient care 105
nerve procedures 11
spinal procedures 24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 161
Female 217
Ethnicity
Non-Hispanic White 284
Black 0
Hispanic 54
Asian 0
Other 17
Native American 0
Age
From 65 to 74 150
From 75 to 84 131
85 and over 36
Less than 65 61

Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD in 2022

Hypertension 75
High Cholesterol 75
Stroke 21
Ischemic Heart Disease 28
Depression 34
Chronic Kidney Disease 21
Asthma 15
Osteoperosis 22
Atrial Fibrilation 17
Heart Failure 16
Chronic Obstructive Pulmonary Disease 16
Diabetes 31
Dementia 14
Cancer 15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Andrew Liker, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Andrew Liker, MD treated as a spine surgeon in Los Angeles, CA were hospital care, inpatient care, spinal procedures and neurostimulator replacement.

arthrodesis (bone fusion surgery) 12
cranial surgery 12
decompression surgery 20
doctor visit 346
hospital care 87
implant surgery 22
inpatient care 87
minimally invasive procedures 13
neck surgery 11
nerve procedures 20
neurostimulator lead placement 14
neurostimulator replacement 22
spinal procedures 48

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Andrew Liker, MD.

Gender
Male 170
Female 196
Ethnicity
Black / African American 2
Asian / Pacific Islander 17
Non-Hispanic White 277
Native American / Alaskan Native 0
Hispanic 48
Other 1
Age
75 to 84 99
85 and over 34
Less than 65 75
65 to 74 157

Average of Total of Conditions of Medicare patients treated by Dr. Mark Andrew Liker, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark Andrew Liker, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension 66
High Cholesterol 55
Stroke 13
Ischemic Heart Disease 35
Depression 32
Chronic Kidney Disease 28
Asthma 12
Osteoporosis 13
Heart Failure 21
Chronic Obstructive Pulmonary Disease 16
Diabetes 30
Atrial Fibrillation 10
Dementia 15
Cancer 10

Education & Training

Dr. Mark Andrew Liker, MD graduated from SUNY Downstate Medical Center College of Medicine in 1995. He completed residency at Los Angeles County+USC Medical Center. He is certified by the Board Certification: Neurological Surgery and has a state license in California.

Medical School: SUNY Downstate Medical Center College of Medicine (1995)

Residency: Los Angeles County+USC Medical Center

Board Certification: Board Certification: Neurological Surgery

Licensed In: California

Affiliations & Hospitals

Dr. Mark Andrew Liker, MD is associated with these hospitals and organizations:

Providence Saint Joseph Medical Center
Dignity Health
Northridge Hospital Medical Center
Providence Holy Cross Medical Center
Children's Hospital of Orange County
Keck Medical Center of USC
Providence Little Company of Mary Medical Center Torrance
Providence
California Neurosurgical Institute

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Mark Andrew Liker, MD appears to accept the following insurance providers: Aetna PPO, Humana ChoiceCare Network, CIGNA PPO, Great-West Healthcare, Blue Shield of California, MultiPlan, Interplan PPO, TriWest, United Healthcare, Interplan, Aetna, Medicare, Medicaid, Coventry, Cigna, GEHA, Anthem, First Health, Beech Street, Private Healthcare Systems (PHCS), PacifiCare, Health Net, Brand New Day, Marian Health Services, Watchtower, Health Net Covered California, Kern Health Systems, Laundry and Dry Cleaning Workers Health & Welfare, Take Care (GUAM), USC Network, Union Roofers Health & Welfare Fund, Blue Shield Covered California, Presbyterian Intercommunity Hospital, NEXT and Health Plans of Nevada.

Insurance Accepted by Provider includes:

According to our sources, Dr. Mark Andrew Liker, MD accepts the following insurance providers:

Aetna PPO
Humana ChoiceCare Network
CIGNA PPO
Great-West Healthcare
Blue Shield of California
MultiPlan
Interplan PPO
TriWest
United Healthcare
Interplan
Aetna
Medicare
Medicaid
Coventry
Cigna
GEHA
Anthem
First Health
Beech Street
Private Healthcare Systems (PHCS)
PacifiCare
Health Net
Brand New Day
Marian Health Services
Watchtower
Health Net Covered California
Kern Health Systems
Laundry and Dry Cleaning Workers Health & Welfare
Take Care (GUAM)
USC Network
Union Roofers Health & Welfare Fund
Blue Shield Covered California
Presbyterian Intercommunity Hospital
NEXT
Health Plans of Nevada

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General Payments

These charts describe general payments received by Dr. Mark Andrew Liker, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

Payments by Company
Spinal Elements, Inc. $11,017 Katana/ Karma
$6,500 		Medical Device
$2,024 		Katana
$1,750 		May Plus Discussion
$500 		Karma
$159 		Other
$84
Clariance, Inc. $10,700 Idys-ALIF
$10,487 		Entire Product Portfolio
$212
NUVASIVE, INC. $5,828 XLIF
$1,356 		Thoracolumbar
$1,102 		ALIF
$1,057 		Osteocel
$281 		Integrated Operative Solutions
$178 		Other
$1,854
Medtronic USA, Inc. $5,144 ACTIVA
$3,648 		Deep Brain Neurostimulation
$771 		Spinal Cord Neurostimulation - Neuro
$300 		VISUALASE
$138 		ADAPTIVESTIM
$115 		Other
$173
Boston Scientific Corporation $4,318 Precision
$1,778 		GENERAL PAIN MANAGEMENT
$637 		SPECTRA WAVEWRITER
$470 		GENERAL - PAIN MANAGEMENT
$469 		GENERAL - DBS
$166 		Other
$799
Other $13,326 CODMAN HAKIM Precision Valve
$2,211 		Neurosurgery
$1,058 		CERTAS
$608 		XIA
$567 		Neuromodulation
$405 		Other
$8,476
Types of Payments
Food and Beverage $23,894
Travel and Lodging $16,814
Consulting Fee $9,250
Education $350
Gift $23

Biography

Dr. Mark Liker is a physician who specializes in spine surgery and neurosurgery. After completing medical school at SUNY Downstate Medical Center College of Medicine, he performed his residency at Los Angeles County+USC Medical Center. His areas of expertise include spinal embolization, bypass surgery, and kyphoplasty (vertebral augmentation). Dr. Liker accepts Anthem, Blue California, Coventry, and more. He has received the following distinction: Southern California Super Doctors. Dr. Liker is professionally affiliated with Providence Holy Cross Medical Center, Providence Saint Joseph Medical Center, and Keck Medical Center of USC. His practice in Valencia, CA is open to new patients as reported by Dignity Health.

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