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Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology

Accepting New Patients
(Dr. Lee-may Chen, MD)
Specializes in: Obstetrics & Gynecology, Gynecology, Oncology (Cancer Care), Surgical Oncology (Cancer Surgery) and General Practice
University of Michigan Medical School
Professional interests include: endometrial cancer, cervical cancer, vulvar cancer, and more.
1600 Divisadero Street Fourth Floor
San Francisco, CA 94115

Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology is an obstetrician and gynecologist in San Francisco, CA specializing in obstetrics & gynecology, gynecology, oncology (cancer care), surgical oncology (cancer surgery) and general practice. She graduated from University of Michigan Medical School. Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology is affiliated with UCSF Health, UCSF, UCSF Medical Group, Hill Physicians, Marin General Hospital and UCSF Gynecologic Surgical Oncology Clinic.

View Doctor's Full Profile (415) 353-9600

Office Locations

1600 Divisadero Street Fourth Floor
San Francisco, CA 94115
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1825 4th Street Floor 6
San Francisco, CA 94143
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1825 Fourth Street Sixth Floor
San Francisco, CA 94158
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3100 San Pablo Avenue Suite 280
Berkeley, CA 94702
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In The News 

“"This turns us on our heads a bit," said Dr. Lee-may Chen, director of the gynecologic oncology division of the Helen Diller Family Comprehensive Cancer Center at the University of California, San...”—"Studies Warn Against Minimally Invasive Surgery for Cervical Cancer (Published 2018)", New York Times, October 2018
“A special thanks to Hospice, the staff has been there every step of the way with us; Dr. Uma Suryadevara and her staff at Eureka Internal Medicine; Dr. Lee-may Chen at the Cancer Center at UCSF;...”—"Dolores Ann Ralls", Times-Standard, April 2013

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 284

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 349
hospital care 64
inpatient care 64

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 182
Ethnicity
Non-Hispanic White 108
Black 0
Hispanic 31
Asian 19
Other 0
Native American 0
Age
From 65 to 74 114
From 75 to 84 0
85 and over 0
Less than 65 35

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2013

Hypertension 51
High Cholesterol 41
Stroke 0
Ischemic Heart Disease 16
Depression 21
Chronic Kidney Disease 23
Asthma 8
Osteoperosis 11
Atrial Fibrilation 0
Heart Failure 12
Chronic Obstructive Pulmonary Disease 0
Diabetes 25
Dementia 0
Cancer 20

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 346
hospital care 66
inpatient care 66

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 178
Ethnicity
Non-Hispanic White 108
Black 0
Hispanic 23
Asian 23
Other 0
Native American 0
Age
From 65 to 74 111
From 75 to 84 0
85 and over 0
Less than 65 35

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2014

Hypertension 49
High Cholesterol 45
Stroke 0
Ischemic Heart Disease 13
Depression 25
Chronic Kidney Disease 25
Asthma 8
Osteoperosis 14
Atrial Fibrilation 0
Heart Failure 7
Chronic Obstructive Pulmonary Disease 0
Diabetes 25
Dementia 0
Cancer 18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 357
hospital care 85
inpatient care 85

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 366
Ethnicity
Non-Hispanic White 232
Black 0
Hispanic 32
Asian 54
Other 24
Native American 0
Age
From 65 to 74 228
From 75 to 84 0
85 and over 0
Less than 65 72

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2015

Hypertension 52
High Cholesterol 38
Stroke 0
Ischemic Heart Disease 10
Depression 27
Chronic Kidney Disease 25
Asthma 8
Osteoperosis 13
Atrial Fibrilation 8
Heart Failure 11
Chronic Obstructive Pulmonary Disease 0
Diabetes 21
Dementia 8
Cancer 14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 320
hospital care 152
inpatient care 152

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 203
Ethnicity
Non-Hispanic White 137
Black 11
Hispanic 15
Asian 28
Other 0
Native American 0
Age
From 65 to 74 124
From 75 to 84 41
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2016

Hypertension 47
High Cholesterol 33
Stroke 0
Ischemic Heart Disease 10
Depression 23
Chronic Kidney Disease 29
Asthma 7
Osteoperosis 12
Atrial Fibrilation 0
Heart Failure 5
Chronic Obstructive Pulmonary Disease 0
Diabetes 19
Dementia 8
Cancer 12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 327
hospital care 31
inpatient care 31

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 179
Ethnicity
Non-Hispanic White 120
Black 0
Hispanic 16
Asian 19
Other 13
Native American 0
Age
From 65 to 74 96
From 75 to 84 48
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2017

Hypertension 47
High Cholesterol 32
Stroke 0
Ischemic Heart Disease 16
Depression 25
Chronic Kidney Disease 28
Asthma 6
Osteoperosis 14
Atrial Fibrilation 0
Heart Failure 10
Chronic Obstructive Pulmonary Disease 0
Diabetes 19
Dementia 0
Cancer 14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 361
hospital care 60
inpatient care 60

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 167
Ethnicity
Non-Hispanic White 113
Black 0
Hispanic 0
Asian 21
Other 13
Native American 0
Age
From 65 to 74 92
From 75 to 84 52
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2018

Hypertension 52
High Cholesterol 44
Stroke 0
Ischemic Heart Disease 14
Depression 31
Chronic Kidney Disease 38
Asthma 7
Osteoperosis 10
Atrial Fibrilation 8
Heart Failure 9
Chronic Obstructive Pulmonary Disease 7
Diabetes 20
Dementia 7
Cancer 12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 275
hospital care 64
inpatient care 64

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 148
Ethnicity
Non-Hispanic White 88
Black 0
Hispanic 0
Asian 25
Other 17
Native American 0
Age
From 65 to 74 77
From 75 to 84 49
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2019

Hypertension 56
High Cholesterol 43
Stroke 0
Ischemic Heart Disease 23
Depression 25
Chronic Kidney Disease 31
Asthma 0
Osteoperosis 14
Atrial Fibrilation 8
Heart Failure 15
Chronic Obstructive Pulmonary Disease 0
Diabetes 18
Dementia 10
Cancer 17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 250
hospital care 26
inpatient care 26

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 137
Ethnicity
Non-Hispanic White 82
Black 0
Hispanic 0
Asian 27
Other 0
Native American 0
Age
From 65 to 74 78
From 75 to 84 38
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2020

Hypertension 54
High Cholesterol 45
Stroke 0
Ischemic Heart Disease 20
Depression 31
Chronic Kidney Disease 31
Asthma 8
Osteoperosis 10
Atrial Fibrilation 0
Heart Failure 17
Chronic Obstructive Pulmonary Disease 0
Diabetes 19
Dementia 9
Cancer 15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 242

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 137
Ethnicity
Non-Hispanic White 79
Black 0
Hispanic 13
Asian 27
Other 0
Native American 0
Age
From 65 to 74 71
From 75 to 84 38
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2021

Hypertension 50
High Cholesterol 45
Stroke 0
Ischemic Heart Disease 20
Depression 22
Chronic Kidney Disease 28
Asthma 0
Osteoperosis 20
Atrial Fibrilation 8
Heart Failure 12
Chronic Obstructive Pulmonary Disease 0
Diabetes 20
Dementia 9
Cancer 17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

doctor visit 217
hospital care 36
inpatient care 36

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 141
Ethnicity
Non-Hispanic White 88
Black 0
Hispanic 0
Asian 27
Other 0
Native American 0
Age
From 65 to 74 84
From 75 to 84 32
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology in 2022

Hypertension 63
High Cholesterol 64
Stroke 0
Ischemic Heart Disease 16
Depression 20
Chronic Kidney Disease 18
Asthma 13
Osteoperosis 26
Atrial Fibrilation 9
Heart Failure 12
Chronic Obstructive Pulmonary Disease 8
Diabetes 22
Dementia 0
Cancer 52

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology for Medicare patients.

The highest averages for the top procedures that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated as an obstetrician and gynecologist in San Francisco, CA were hospital care and inpatient care.

doctor visit 302
hospital care 64
inpatient care 64

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology.

Gender
Male 0
Female 167
Ethnicity
Black / African American 1
Asian / Pacific Islander 24
Non-Hispanic White 105
Native American / Alaskan Native 0
Hispanic 11
Other 6
Age
75 to 84 27
85 and over 0
Less than 65 12
65 to 74 97

Average of Total of Conditions of Medicare patients treated by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension 47
High Cholesterol 39
Stroke 0
Ischemic Heart Disease 14
Depression 22
Chronic Kidney Disease 25
Asthma 5
Osteoporosis 13
Heart Failure 10
Chronic Obstructive Pulmonary Disease 1
Diabetes 18
Atrial Fibrillation 3
Dementia 4
Cancer 17

Education & Training

Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology graduated from University of Michigan Medical School. She completed residency at University of Michigan Affiliated Hospitals. She is certified by the American Board of Obstetrics and Gynecology and has a state license in California.

Medical School: University of Michigan Medical School

Residency: University of Michigan Affiliated Hospitals

Board Certification: American Board of Obstetrics and Gynecology

Licensed In: California

Affiliations & Hospitals

Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology is associated with these hospitals and organizations:

UCSF Health
UCSF
UCSF Medical Group
Hill Physicians
Marin General Hospital
UCSF Gynecologic 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. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, SCAN Health Plan, Anthem, UnitedHealthcare, Health Net, Hill Physicians Care Solutions, Central Health Plan, CCHP Health Plan (Chinese Community Health Plan) and Canopy Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology accepts the following insurance providers:

Cigna
Aetna
Blue Shield of California
SCAN Health Plan
Anthem
UnitedHealthcare
Health Net
Hill Physicians Care Solutions
Central Health Plan
CCHP Health Plan (Chinese Community Health Plan)
Canopy Health

Ratings & Reviews

Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology has an exceptional overall rating with an average of 4.91 out of 5 stars based on 278 ratings. We collect ratings and reviews of Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology from all over the web to help you find the right in San Francisco, CA. 

4.91
Overall Rating
Leave a Review
Reviews From Around The Web
Overall Rating: 5.0 2025-08-23
Patient verified via Press Ganey
Dr. Chen is a wonderful and caring gynecological oncologist. I'm fortunate that my regular Gynecologist referred me to UCSF.
Overall Rating: 5.0 2025-09-25
Patient verified via Press Ganey
Dr Chen is a Wonderful Caring and Compassionate Doctor. I'm so lucky and happy to have her as my Doctor
Overall Rating: 5.0 2025-09-20
Patient verified via Press Ganey
Explained everything thoroughly and thoughtfully
Overall Rating: 5.0 2025-09-25
Patient verified via Press Ganey
Dr Chen showed an excellent bedside manner
Overall Rating: 5.0 2026-01-09
Patient verified via Press Ganey
Dr.Chen has been extremely supportive.
Overall Rating: 5.0 2025-10-26
Patient verified via Press Ganey
Excellent in all respects
Overall Rating: 5.0 2025-08-08
Patient verified via Press Ganey
It was great

General Payments

These charts describe general payments received by Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

Payments by Company
Genentech USA, Inc. $4,000
$4,000
GlaxoSmithKline, LLC. $190
$190
EISAI INC. $125 Lenvima
$125
AstraZeneca Pharmaceuticals LP $55 LYNPARZA
$55
Intuitive Surgical, Inc. $54 Da Vinci Surgical System
$54
Other $54 Rubraca
$36 		VARUBI
$5
$13
Types of Payments
Consulting Fee $4,000
Food and Beverage $437
Education $41

Research Payments

Dr. Lee-May Chen, MD, Gynecologic Surgical Oncology | Gynecologic Medical Oncology has received 146 research payments totaling $1,842,804.

Biography

Dr. Lee-May Chen's medical specialty is general practice, gynecologic oncology, and surgical oncology (cancer surgery). Her average rating from her patients is 5.0 stars (out of 5). Areas of expertise for Dr. Chen include fallopian tube cancer, ovarian cancer, and endometrial cancer. Blue Shield, Health Net, and Anthem are among the insurance carriers that Dr. Chen honors. Dr. Chen attended the University of Michigan Medical School and subsequently trained at a hospital affiliated with the University of Michigan and a hospital affiliated with the University of Miami for residency. She has received professional recognition including the following: Top Doctor Marin Magazine. In addition to English, she speaks Mandarin. Dr. Chen is affiliated with UCSF Medical Group, Marin General Hospital, and Hill Physicians. She welcomes new patients at her office inSan Francisco, CA as reported by Hill Physicians.

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