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Dr. Darren Keith Freeman, DO

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(Darren K. Freeman, DO)

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Specializes in: Anesthesiology, Orthopedics/Orthopedic Surgery and Physiatry (Physical Medicine & Rehabilitation)

Western University of Health Sciences, College of Osteopathic Medicine of the Pacific (2000)

Professional interests include: spine problems

141 Triunfo Canyon Road Suite 100
Westlake Village, CA 91361

(805) 497-4500

Dr. Darren Keith Freeman, DO is an anesthesiologist in Westlake Village, CA specializing in anesthesiology, orthopedics/orthopedic surgery and physiatry (physical medicine & rehabilitation). He graduated from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in 2000 and has 26 years of experience. Dr. Darren Keith Freeman, DO is affiliated with Ronald Reagan UCLA Medical Center, UCLA Health, Encino Surgery and UCLA West Valley Medical Center.

Office Locations

141 Triunfo Canyon Road Suite 100
Westlake Village, CA 91361

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15503 Ventura Boulevard Suite 240
Encino, CA 91436

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Noteworthy Medicare Patient Procedures Performed by Dr. Darren Keith Freeman, DO in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Volume:

facet rhizotomy injection

rhizotomy

In 2012, Dr. Darren Keith Freeman, DO performed more facet rhizotomy injection, and rhizotomy (nerve ablation) procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2012 were diagnostic procedures, pain management, spinal procedures and injections.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

diagnostic procedures	512
doctor visit	425
hospital care	59
injections	148
inpatient care	59
minimally invasive procedures	12
minor procedures	12
nerve block	129
pain management	148
spinal procedures	148

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2013 were nerve block, pain management, spinal procedures and injections.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

diagnostic procedures	23
doctor visit	277
hospital care	49
injections	63
inpatient care	49
nerve block	63
pain management	63
spinal procedures	63

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	55
Female	110

**Ethnicity**
Non-Hispanic White	137
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	40
85 and over	14
Less than 65	63

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2013

Hypertension	75
High Cholesterol	62
Stroke	12
Ischemic Heart Disease	58
Depression	36
Chronic Kidney Disease	21
Asthma	17
Osteoperosis	25
Atrial Fibrilation	8
Heart Failure	29
Chronic Obstructive Pulmonary Disease	38
Diabetes	46
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2014 were nerve procedures, pain management and minimally invasive procedures.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

doctor visit	108
minimally invasive procedures	12
nerve procedures	12
pain management	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	14
Female	21

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	15

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2014

Hypertension	66
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	37
Depression	34
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

doctor visit	91
hospital care	130
inpatient care	130

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	78
Female	92

**Ethnicity**
Non-Hispanic White	102
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	0
85 and over	0
Less than 65	72

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2015

Hypertension	75
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	47
Depression	45
Chronic Kidney Disease	54
Asthma	32
Osteoperosis	18
Atrial Fibrilation	16
Heart Failure	45
Chronic Obstructive Pulmonary Disease	36
Diabetes	52
Dementia	15
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2016 were hospital care, inpatient care, aspiration and injections.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

aspiration	12
doctor visit	492
hospital care	182
injections	12
inpatient care	182

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	61
Female	121

**Ethnicity**
Non-Hispanic White	107
Black	0
Hispanic	40
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	19
85 and over	14
Less than 65	88

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2016

Hypertension	75
High Cholesterol	49
Stroke	8
Ischemic Heart Disease	41
Depression	45
Chronic Kidney Disease	43
Asthma	42
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	36
Chronic Obstructive Pulmonary Disease	36
Diabetes	47
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2017 were hospital care, inpatient care, nerve block and pain management.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

doctor visit	701
hospital care	107
injections	17
inpatient care	107
nerve block	17
pain management	17
spinal procedures	17

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	49
Female	103

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	0
85 and over	0
Less than 65	61

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2017

Hypertension	71
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	37
Depression	44
Chronic Kidney Disease	45
Asthma	19
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	34
Chronic Obstructive Pulmonary Disease	34
Diabetes	47
Dementia	22
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2018 were nerve block, spinal procedures, pain management and minimally invasive procedures.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

doctor visit	963
injections	30
minimally invasive procedures	50
nerve block	64
nerve procedures	24
neurostimulator lead placement	26
pain management	54
spinal procedures	56

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	62
Female	126

**Ethnicity**
Non-Hispanic White	112
Black	37
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	30
85 and over	12
Less than 65	69

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2018

Hypertension	69
High Cholesterol	51
Stroke	9
Ischemic Heart Disease	31
Depression	44
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	14
Atrial Fibrilation	6
Heart Failure	25
Chronic Obstructive Pulmonary Disease	27
Diabetes	44
Dementia	15
Cancer	6

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2019 were nerve block, pain management, spinal procedures and injections.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

doctor visit	849
injections	54
minimally invasive procedures	33
nerve block	116
nerve procedures	33
pain management	87
spinal procedures	54

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	72
Female	141

**Ethnicity**
Non-Hispanic White	137
Black	35
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	39
85 and over	16
Less than 65	69

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2019

Hypertension	74
High Cholesterol	50
Stroke	8
Ischemic Heart Disease	37
Depression	45
Chronic Kidney Disease	37
Asthma	11
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Dementia	14
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2020 were nerve block, pain management, injections and nerve procedures.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

aspiration	15
doctor visit	665
injections	99
minimally invasive procedures	51
nerve block	179
nerve procedures	51
pain management	135
spinal procedures	46

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	77
Female	130

**Ethnicity**
Non-Hispanic White	143
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	0
85 and over	0
Less than 65	53

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2020

Hypertension	66
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	37
Depression	37
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	12
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2021 were pain management, nerve block, spinal procedures and injections.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

doctor visit	785
injections	59
minimally invasive procedures	52
nerve block	59
nerve procedures	52
pain management	111
spinal procedures	59

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	75
Female	147

**Ethnicity**
Non-Hispanic White	152
Black	24
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	49
85 and over	12
Less than 65	60

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2021

Hypertension	66
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	34
Depression	38
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	14
Atrial Fibrilation	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Dementia	12
Cancer	5

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2022 were pain management, injections, nerve block and spinal procedures.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

aspiration	24
doctor visit	1049
injections	109
minimally invasive procedures	34
nerve block	85
nerve procedures	34
pain management	119
spinal procedures	85

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	84
Female	176

**Ethnicity**
Non-Hispanic White	183
Black	31
Hispanic	34
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	60
85 and over	14
Less than 65	68

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2022

Hypertension	75
High Cholesterol	71
Stroke	10
Ischemic Heart Disease	27
Depression	36
Chronic Kidney Disease	21
Asthma	19
Osteoperosis	18
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	31
Diabetes	36
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2023 were pain management, injections, spinal procedures and nerve block.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

aspiration	29
doctor visit	1023
injections	163
minimally invasive procedures	55
nerve block	127
nerve procedures	55
pain management	189
spinal procedures	134

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	90
Female	166

**Ethnicity**
Non-Hispanic White	167
Black	31
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	65
85 and over	16
Less than 65	61

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2023

Hypertension	75
High Cholesterol	70
Stroke	14
Ischemic Heart Disease	32
Depression	34
Chronic Kidney Disease	21
Asthma	20
Osteoperosis	18
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	29
Diabetes	34
Dementia	4
Cancer	12

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA during 2024 were pain management, spinal procedures, injections and nerve block.

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

doctor visit	1044
injections	118
minimally invasive procedures	72
nerve block	75
nerve procedures	72
pain management	190
spinal procedures	118

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Male	88
Female	160

**Ethnicity**
Non-Hispanic White	170
Black	0
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	62
85 and over	15
Less than 65	56

Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO in 2024

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	27
Depression	35
Chronic Kidney Disease	22
Asthma	15
Osteoperosis	16
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Darren Keith Freeman, DO for Medicare patients.

The highest averages for the top procedures that Dr. Darren Keith Freeman, DO treated as an anesthesiologist in Westlake Village, CA were diagnostic procedures, hospital care, inpatient care and pain management.

aspiration	20
diagnostic procedures	267
doctor visit	651
hospital care	105
injections	79
inpatient care	105
minimally invasive procedures	41
minor procedures	12
nerve block	91
nerve procedures	41
neurostimulator lead placement	26
pain management	102
spinal procedures	78

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Darren Keith Freeman, DO.

**Gender**
Female	114
Male	61

**Ethnicity**
Black / African American	12
Asian / Pacific Islander	0
Non-Hispanic White	116
Native American / Alaskan Native	0
Hispanic	22
Other	0

**Age**
75 to 84	28
85 and over	8
Less than 65	56
65 to 74	72

Average of Total of Conditions of Medicare patients treated by Dr. Darren Keith Freeman, DO From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Darren Keith Freeman, DO treated were hypertension, high cholesterol, diabetes and depression.

Hypertension	66
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	34
Depression	36
Chronic Kidney Disease	28
Asthma	15
Osteoporosis	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Atrial Fibrillation	9
Dementia	9
Cancer	6

Education & Training

Dr. Darren Keith Freeman, DO graduated from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in 2000. He completed residency at New York University (NYU) Affiliated Hospitals. He is certified by the Pain Medicine, American Board of Pain Medicine and has a state license in New Jersey.

Medical School: Western University of Health Sciences, College of Osteopathic Medicine of the Pacific (2000)

Residency: New York University (NYU) Affiliated Hospitals (2004)

Board Certification: Pain Medicine, American Board of Pain Medicine (2007)

Licensed In: New Jersey

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. Darren Keith Freeman, DO appears to accept the following insurance providers: Interlink, Vivity (offered by Anthem Blue Cross), Interplan (a HealthSmart product), Private Healthcare Systems (PHCS), Oscar EPO - Circle Network, Aetna - Institute of Excellence, CIGNA, First Health, Aetna, TriCare, UnitedHealthcare, Inc. dba California Foundation Medical Care (CFMC), UnitedHealthcare West, OptumHealth Transplant Centers of Excellence (formerly United Resource Network), Health Net of California, UnitedHealthcare Group Medicare Advantage *, Blue Shield 65 Plus, Prime Health Services, Blue Shield of California *, Cigna LifeSource, Anthem Blue Cross - Centers of Medical Excellence, Anthem Blue Cross, LifeTrac, Blue Shield of California, MultiPlan, Anthem Medicare Advantage PPO*, UFCM Health System, SCAN Health Plan - SCAN Classic II, Blue Shield Exclusive PPO Network, Private Healthcare Systems (PHCS), Prime Health, Medicare Advantage, MultiPlan, Blue Shield of California, Aetna, UnitedHealthcare, Cigna, TRICARE, Anthem, HealthSmart, First Health and Centivo.

Insurance Accepted by Provider includes:

According to our sources, Dr. Darren Keith Freeman, DO accepts the following insurance providers:

Interlink

Vivity (offered by Anthem Blue Cross)

Interplan (a HealthSmart product)

Private Healthcare Systems (PHCS)

Oscar EPO - Circle Network

Aetna - Institute of Excellence

CIGNA

First Health

Aetna

TriCare

UnitedHealthcare

Inc. dba California Foundation Medical Care (CFMC)

UnitedHealthcare West

OptumHealth Transplant Centers of Excellence (formerly United Resource Network)

Health Net of California

UnitedHealthcare Group Medicare Advantage *

Blue Shield 65 Plus

Prime Health Services

Blue Shield of California *

Cigna LifeSource

Anthem Blue Cross - Centers of Medical Excellence

Anthem Blue Cross

LifeTrac

Blue Shield of California

MultiPlan

Anthem Medicare Advantage PPO*

UFCM Health System

SCAN Health Plan - SCAN Classic II

Blue Shield Exclusive PPO Network

Private Healthcare Systems (PHCS)

Prime Health

Medicare Advantage

MultiPlan

Blue Shield of California

Aetna

UnitedHealthcare

Cigna

TRICARE

Anthem

HealthSmart

First Health

Centivo

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General Payments

These charts describe general payments received by Dr. Darren Keith Freeman, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Abbott Laboratories	$4,275 Proclaim Family of SCS IPGs $1,737	DRG leads $1,172	SCS IPGs $489	PROCLAIM $227	DRG IPGs $202	Other $447
Boston Scientific Corporation	$3,788 WAVEWRITER ALPHA $1,703	Intracept $759	PAIN MANAGEMENT $272	WaveWriter Alpha Prime 16 $224	Superion Indirect Decompression System $160	Other $670
Medtronic USA, Inc.	$1,812 INTELLIS $1,121	RESTORE $432	ADAPTIVESTIM $125	Spinal Cord Neurostimulation - Neuro $73	TARGETSTIM $46	Other $15
St. Jude Medical, Inc.	$1,721 Neuro-Chronic Pain $1,380	Prodigy and Prodigy MRI $195	S-Series $146
Spinal Simplicity, LLC	$1,417 HA MINUTEMAN G3-R $1,417
Other	$2,969 Senza Spinal Cord Stimulation System $1,065	Nucynta $283	iFuse Implant $244	PNS FREEDOM-4A PERMANENT NEUROSTIMULATOR RECEIVER KIT CHANNEL A $169	ZOHYDRO ER $136	Other $1,072

**Types of Payments**
Food and Beverage	$10,802
Travel and Lodging	$5,125
Gift	$33
Education	$22

Biography

Dr. Darren Freeman is a physician who specializes in physiatry (physical medicine & rehabilitation) and pain medicine. He attended Western University of Health Sciences, College of Osteopathic Medicine of the Pacific and then went on to complete his residency at a hospital affiliated with New York University (NYU). Areas of expertise for Dr. Freeman include neurosurgery and spine problems. Anthem, UnitedHealthcare, and Blue Cross/Blue Shield appears to be the insurance carriers that Dr. Freeman takes. He is affiliated with Ronald Reagan UCLA Medical Center. UCLA Health reports that Dr. Freeman is accepting new patients at his office in Encino, CA.