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Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology

Accepting New Patients
(Dr. Ajay Maker, MD, FACS)
Specializes in: General Practice and Surgical Oncology (Cancer Surgery)
Yale School of Medicine
Professional interests include: gastrointestinal cancer surgery
1825 4th Street Floor 4
San Francisco, CA 94143

Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology is a general practitioner in San Francisco, CA specializing in general practice and surgical oncology (cancer surgery). He graduated from Yale School of Medicine. Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology is affiliated with UCSF Health, Hill Physicians and Gastrointestinal Surgical Oncology Clinic.

View Doctor's Full Profile (415) 502-5577

Office Locations

1825 4th Street Floor 4
San Francisco, CA 94143
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1825 FOURTH STREET FOURTH FLOOR
SAN FRANCISCO, CA 94158
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1825 4th Street Floor 3
San Francisco, CA 94143
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1825 4th Street Floor 6
San Francisco, CA 94143
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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology treated as a general practitioner in San Francisco, CA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 81
hospital care 16
inpatient care 16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology treated as a general practitioner in San Francisco, CA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 94
hospital care 12
inpatient care 12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 36
Female 41
Ethnicity
Non-Hispanic White 37
Black 20
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 35
From 75 to 84 25
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2013

Hypertension 75
High Cholesterol 64
Stroke 0
Ischemic Heart Disease 31
Depression 25
Chronic Kidney Disease 34
Asthma 0
Osteoperosis 0
Atrial Fibrilation 21
Heart Failure 19
Chronic Obstructive Pulmonary Disease 17
Diabetes 44
Dementia 0
Cancer 36

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 87

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 38
Female 45
Ethnicity
Non-Hispanic White 43
Black 21
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 38
From 75 to 84 28
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2014

Hypertension 75
High Cholesterol 66
Stroke 0
Ischemic Heart Disease 40
Depression 19
Chronic Kidney Disease 34
Asthma 18
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 16
Chronic Obstructive Pulmonary Disease 18
Diabetes 40
Dementia 0
Cancer 31

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 83

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 64
Female 68
Ethnicity
Non-Hispanic White 64
Black 34
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 50
From 75 to 84 46
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2015

Hypertension 75
High Cholesterol 65
Stroke 0
Ischemic Heart Disease 33
Depression 0
Chronic Kidney Disease 33
Asthma 17
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 38
Dementia 0
Cancer 35

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 101

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 35
Female 39
Ethnicity
Non-Hispanic White 34
Black 17
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 34
From 75 to 84 27
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2016

Hypertension 75
High Cholesterol 62
Stroke 0
Ischemic Heart Disease 28
Depression 18
Chronic Kidney Disease 36
Asthma 22
Osteoperosis 15
Atrial Fibrilation 0
Heart Failure 15
Chronic Obstructive Pulmonary Disease 22
Diabetes 38
Dementia 0
Cancer 26

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 67

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 26
Female 43
Ethnicity
Non-Hispanic White 46
Black 12
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 35
From 75 to 84 21
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2017

Hypertension 75
High Cholesterol 58
Stroke 0
Ischemic Heart Disease 29
Depression 16
Chronic Kidney Disease 29
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 32
Dementia 0
Cancer 23

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 76

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 32
Female 35
Ethnicity
Non-Hispanic White 40
Black 0
Hispanic 13
Asian 0
Other 0
Native American 0
Age
From 65 to 74 34
From 75 to 84 20
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2018

Hypertension 75
High Cholesterol 67
Stroke 0
Ischemic Heart Disease 34
Depression 0
Chronic Kidney Disease 37
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 16
Chronic Obstructive Pulmonary Disease 18
Diabetes 43
Dementia 0
Cancer 19

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 71

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 36
Female 34
Ethnicity
Non-Hispanic White 44
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 27
From 75 to 84 26
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2019

Hypertension 75
High Cholesterol 61
Stroke 0
Ischemic Heart Disease 39
Depression 19
Chronic Kidney Disease 37
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 19
Chronic Obstructive Pulmonary Disease 17
Diabetes 34
Dementia 0
Cancer 34

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

doctor visit 40

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 22
Female 21
Ethnicity
Non-Hispanic White 25
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 19
From 75 to 84 0
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2020

Hypertension 67
High Cholesterol 60
Stroke 0
Ischemic Heart Disease 26
Depression 0
Chronic Kidney Disease 51
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 40
Dementia 0
Cancer 26

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 11
Female 12

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2021

Hypertension 61
High Cholesterol 57
Stroke 0
Ischemic Heart Disease 0
Depression 0
Chronic Kidney Disease 57
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 0
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology treated as a general practitioner in San Francisco, CA during 2022 were lymph node procedures.

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

lymph node procedures 16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 21
Female 11
Age
From 65 to 74 0
From 75 to 84 13
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology in 2022

Hypertension 56
High Cholesterol 72
Stroke 0
Ischemic Heart Disease 0
Depression 0
Chronic Kidney Disease 0
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 0
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology for Medicare patients.

The highest averages for the top procedures that Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology treated as a general practitioner in San Francisco, CA were lymph node procedures, hospital care and inpatient care.

doctor visit 77
hospital care 14
inpatient care 14
lymph node procedures 16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology.

Gender
Male 29
Female 31
Ethnicity
Black / African American 9
Asian / Pacific Islander 0
Non-Hispanic White 30
Native American / Alaskan Native 0
Hispanic 1
Other 0
Age
75 to 84 18
85 and over 0
Less than 65 0
65 to 74 24

Average of Total of Conditions of Medicare patients treated by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension 64
High Cholesterol 57
Stroke 0
Ischemic Heart Disease 23
Depression 8
Chronic Kidney Disease 31
Asthma 5
Osteoporosis 1
Heart Failure 7
Chronic Obstructive Pulmonary Disease 8
Diabetes 28
Atrial Fibrillation 1
Dementia 0
Cancer 20

Education & Training

Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology graduated from Yale School of Medicine. He completed residency at Brigham and Women's Hospital. He is certified by the American Board of Surgery and has a state license in Illinois.

Medical School: Yale School of Medicine

Residency: Brigham and Women's Hospital

Board Certification: American Board of Surgery

Licensed In: Illinois

Affiliations & Hospitals

Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology is associated with these hospitals and organizations:

UCSF Health
Hill Physicians
Gastrointestinal Surgical Oncology Clinic

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. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, Anthem, UnitedHealthcare, Health Net, Central Health Plan, CCHP Health Plan (Chinese Community Health Plan) and Canopy Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology accepts the following insurance providers:

Cigna
Aetna
Blue Shield of California
Anthem
UnitedHealthcare
Health Net
Central Health Plan
CCHP Health Plan (Chinese Community Health Plan)
Canopy Health

Ratings & Reviews

Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology has an exceptional overall rating with an average of 4.79 out of 5 stars based on 153 ratings. We collect ratings and reviews of Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology from all over the web to help you find the right in San Francisco, CA. 

4.79
Overall Rating
Leave a Review
Reviews From Around The Web
Overall Rating: 5.0 2025-06-13
Patient verified via Press Ganey
Dr Ajay Maker is a compassionate physician, whose demeanor provided comfort and great confidence that my care was with an amazing physician. He deserves the highest praise.

General Payments

These charts describe general payments received by Dr. Ajay Maker, MD, Gastrointestinal Surgical Oncology | Cutaneous (Skin) Medical Oncology. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

Payments by Company
Intuitive Surgical, Inc. $3,173 Da Vinci Surgical System
$3,173
Vector Surgical, LLC $800 MarginMarker
$800
Dilon Technologies, Inc. $172 HEMOBLAST Bellows
$172
Ethicon US, LLC $153 PROLENE
$149 		Harmonic
$4
Boston Scientific Corporation $140 TheraSphere Y90 Glass Microspheres 10 GBq
$140
Other $394 Santyl
$139 		Creon
$109 		STRATTICE
$81 		Air-Seal
$50 		Endo Stapling
$16
Types of Payments
Education $1,500
Travel and Lodging $1,432
Food and Beverage $1,100
Consulting Fee $800

Biography

Dr. Ajay Maker's area of specialization is general practice. He graduated from Yale School of Medicine. He trained at Brigham and Women's Hospital for residency. Dr. Maker's areas of expertise include gastrointestinal cancer surgery. The average patient rating for Dr. Maker is 5.0 stars (out of 5). Blue Shield, Health Net, and Anthem seem to be the insurance carriers that Dr. Maker accepts. He is professionally affiliated with UCSF Health and Hill Physicians. His practice in San Francisco, CA is open to new patients as reported by Doctor.com.

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