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Dr. Mary Uan-Sian Feng, MD, Radiation Oncology

Accepting New Patients

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Specializes in: Radiation Oncology

Washington University in St. Louis School of Medicine

505 Parnassus Avenue Suite L-75
San Francisco, CA 94143

(415) 353-8900

Dr. Mary Uan-Sian Feng, MD, Radiation Oncology is a radiation oncologist in San Francisco, CA specializing in radiation oncology. She graduated from Washington University in St. Louis School of Medicine. Dr. Mary Uan-Sian Feng, MD, Radiation Oncology is affiliated with UCSF Health and Hill Physicians.

Office Locations

1825 4th Street Floor 4
San Francisco, CA 94143

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1825 4TH STREET
SAN FRANCISCO, CA 94143

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Hill Physicians

1600 Divisadero Street Suite H1031
San Francisco, CA 94115

(415) 353-7170

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UCSF Health

1825 Fourth Street First Floor, Room L1101
San Francisco, CA 94158

(415) 353-9807

(415) 353-9884

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Hill Physicians

505 Parnassus Avenue Suite L-75
San Francisco, CA 94143

(415) 353-8900

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mary Uan-Sian Feng, MD, Radiation Oncology treated as a radiation oncologist in San Francisco, CA during 2012 were radiation therapy.

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	367
radiation therapy	16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	320

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	118
Female	64

**Ethnicity**
Non-Hispanic White	148
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	38
85 and over	12
Less than 65	41

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2013

Hypertension	65
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	33
Depression	25
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	20
Diabetes	27
Dementia	0
Cancer	31

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mary Uan-Sian Feng, MD, Radiation Oncology treated as a radiation oncologist in San Francisco, CA during 2014 were radiation therapy.

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	251
radiation therapy	18

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	85
Female	54

**Ethnicity**
Non-Hispanic White	115
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	0
85 and over	0
Less than 65	32

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2014

Hypertension	63
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	30
Depression	27
Chronic Kidney Disease	34
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	0
Cancer	36

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	292

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	238
Female	148

**Ethnicity**
Non-Hispanic White	316
Black	42
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	88
85 and over	24
Less than 65	82

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2015

Hypertension	60
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	0
Cancer	37

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	26

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	25
Female	12

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2016

Hypertension	54
High Cholesterol	30
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	30
Dementia	0
Cancer	46

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	101

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	56
Female	16

**Ethnicity**
Non-Hispanic White	48
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2017

Hypertension	57
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	26
Depression	29
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	58

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mary Uan-Sian Feng, MD, Radiation Oncology treated as a radiation oncologist in San Francisco, CA during 2018 were radiation therapy.

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	165
radiation therapy	44

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	68
Female	27

**Ethnicity**
Non-Hispanic White	59
Black	0
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2018

Hypertension	58
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	39
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	0
Cancer	48

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mary Uan-Sian Feng, MD, Radiation Oncology treated as a radiation oncologist in San Francisco, CA during 2019 were radiation therapy.

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	164
radiation therapy	23

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	63
Female	36

**Ethnicity**
Non-Hispanic White	64
Black	0
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2019

Hypertension	65
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	41
Depression	26
Chronic Kidney Disease	0
Asthma	11
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	53

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	151

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	63
Female	42

**Ethnicity**
Non-Hispanic White	70
Black	0
Hispanic	0
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2020

Hypertension	52
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	47

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mary Uan-Sian Feng, MD, Radiation Oncology treated as a radiation oncologist in San Francisco, CA during 2021 were radiation therapy.

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	215
radiation therapy	18

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	88
Female	47

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	0
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	54
85 and over	14
Less than 65	12

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2021

Hypertension	59
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	27
Depression	26
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	16
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	34
Dementia	9
Cancer	56

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mary Uan-Sian Feng, MD, Radiation Oncology treated as a radiation oncologist in San Francisco, CA during 2022 were radiation therapy.

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

doctor visit	210
radiation therapy	21

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Male	121
Female	66

**Ethnicity**
Non-Hispanic White	130
Black	0
Hispanic	14
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	69
85 and over	17
Less than 65	13

Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology in 2022

Hypertension	65
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	22
Depression	15
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	27
Dementia	0
Cancer	58

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology for Medicare patients.

The highest averages for the top procedures that Dr. Mary Uan-Sian Feng, MD, Radiation Oncology treated as a radiation oncologist in San Francisco, CA were radiation therapy.

doctor visit	205
radiation therapy	23

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology.

**Gender**
Female	46
Male	84

**Ethnicity**
Black / African American	5
Asian / Pacific Islander	10
Non-Hispanic White	94
Hispanic	1
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	6
75 to 84	32
Less than 65	16
65 to 74	64

Average of Total of Conditions of Medicare patients treated by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mary Uan-Sian Feng, MD, Radiation Oncology treated were hypertension, cancer, high cholesterol and chronic kidney disease.

Hypertension	54
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	24
Asthma	3
Osteoporosis	6
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	24
Atrial Fibrillation	6
Dementia	0
Cancer	42

Education & Training

Dr. Mary Uan-Sian Feng, MD, Radiation Oncology graduated from Washington University in St. Louis School of Medicine. She completed residency at University of Michigan Affiliated Hospitals. She is certified by the American Board of Radiology, Radiation Oncology and has a state license in Michigan.

Medical School: Washington University in St. Louis School of Medicine

Residency: University of Michigan Affiliated Hospitals

Board Certification: American Board of Radiology, Radiation Oncology

Licensed In: Michigan

Affiliations & Hospitals

Dr. Mary Uan-Sian Feng, MD, Radiation Oncology is associated with these hospitals and organizations:

UCSF Health

Hill Physicians

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. Mary Uan-Sian Feng, MD, Radiation 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. Mary Uan-Sian Feng, MD, Radiation 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

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General Payments

These charts describe general payments received by Dr. Mary Uan-Sian Feng, MD, Radiation Oncology. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$3,020 IMFINZI $3,020
Varian Medical Systems, Inc.	$1,683 Edge $75	Eclipse $60	TrueBeam $36	Treatment Planning Systems $36	$1,476
Sirtex Medical Inc	$86 SIR-Spheres microspheres $86
AbbVie Inc.	$22 Liletta $22

**Types of Payments**
Consulting Fee	$4,010
Food and Beverage	$492
Travel and Lodging	$309

Research Payments

Dr. Mary Uan-Sian Feng, MD, Radiation Oncology has received 15 research payments totaling $533,356.

Biography

Dr. Mary Feng's area of specialization is radiation oncology. She is professionally affiliated with UCSF Health and Hill Physicians. Dr. Feng seems to honor several insurance carriers, including Blue Shield, Health Net, and Anthem. According to Doctor.com, new patients are welcome to contact her office in San Francisco, CA. Before completing her residency at a hospital affiliated with the University of Michigan, Dr. Feng attended medical school at the University of Washington School of Medicine and Washington University in St. Louis School of Medicine.