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Home > CA Providers

Dr. Mark M. Moasser, MD

Accepting New Patients

(157 Ratings)

Specializes in: Physician and Medical Oncology

Tufts University School of Medicine

Professional interests include: breast cancer

1825 4th Street Floor 3
San Francisco, CA 94143

(415) 353-7070

Dr. Mark M. Moasser, MD is a physician provider in San Francisco, CA specializing in physician and medical oncology. He graduated from Tufts University School of Medicine. Dr. Mark M. Moasser, MD is affiliated with UCSF Health, Hill Physicians and Breast Care Center.

Office Locations

1825 4th Street Floor 3
San Francisco, CA 94143

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1825 Fourth Street Third Floor UCSF Carol Franc Buck Breast Care Center
San Francisco, CA 94158

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	162

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	157

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Gender**
Male	0
Female	67

**Ethnicity**
Non-Hispanic White	51
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	15
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2013

Hypertension	48
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	19
Depression	22
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	146

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Gender**
Male	0
Female	61

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

**Age**
From 65 to 74	34
From 75 to 84	16
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2014

Hypertension	54
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	0
Depression	26
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	18
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	123

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Ethnicity**
Non-Hispanic White	98
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2015

Hypertension	46
High Cholesterol	46
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	24
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	155

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Ethnicity**
Non-Hispanic White	53
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	20
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2016

Hypertension	45
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	0
Depression	20
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	16
Cancer	75

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	149

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Gender**
Male	0
Female	68

**Ethnicity**
Non-Hispanic White	53
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2017

Hypertension	46
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	0
Depression	18
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	137

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Gender**
Male	0
Female	63

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2018

Hypertension	54
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	17
Depression	25
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	170

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Ethnicity**
Non-Hispanic White	43
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2019

Hypertension	43
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	0
Depression	17
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	118

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Gender**
Male	0
Female	54

**Ethnicity**
Non-Hispanic White	39
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	33
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2020

Hypertension	31
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	22
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	116

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Gender**
Male	0
Female	48

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

**Age**
From 65 to 74	29
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2021

Hypertension	44
High Cholesterol	38
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	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	163

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

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

**Age**
From 65 to 74	31
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2022

Hypertension	44
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	27
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	207

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2023

Hypertension	44
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	23
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	235

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

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

**Age**
From 65 to 74	40
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD in 2024

Hypertension	56
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	0
Depression	18
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	23
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Mark M. Moasser, MD for Medicare patients.

doctor visit	156

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Mark M. Moasser, MD.

**Gender**
Female	27
Male	0

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	47
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	0
75 to 84	6
Less than 65	0
65 to 74	37

Average of Total of Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Mark M. Moasser, MD treated were cancer, hypertension, high cholesterol and depression.

Hypertension	42
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	2
Depression	11
Chronic Kidney Disease	7
Asthma	0
Osteoporosis	9
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	11
Atrial Fibrillation	0
Cancer	69
Dementia	1

Education & Training

Dr. Mark M. Moasser, MD graduated from Tufts University School of Medicine. He completed residency at New York-Presbyterian Hospital. He is certified by the Board certification: Medical Oncology, American Board of Internal Med/Medical Oncology and has a state license in California.

Medical School: Tufts University School of Medicine

Residency: New York-Presbyterian Hospital

Board Certification: Board certification: Medical Oncology, American Board of Internal Med/Medical Oncology

Licensed In: California

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 M. Moasser, MD appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, UnitedHealthcare, SCAN Health Plan, Anthem, 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. Mark M. Moasser, MD accepts the following insurance providers:

Cigna

Aetna

Blue Shield of California

UnitedHealthcare

SCAN Health Plan

Anthem

Health Net

Hill Physicians Care Solutions

Central Health Plan

CCHP Health Plan (Chinese Community Health Plan)

Canopy Health

Ratings & Reviews

Dr. Mark M. Moasser, MD has an exceptional overall rating with an average of 4.83 out of 5 stars based on 157 ratings. We collect ratings and reviews of Dr. Mark M. Moasser, MD from all over the web to help you find the right in San Francisco, CA.

4.83

Overall Rating

(157 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-12-10

Patient verified via Press Ganey

Compassionate, expert and professional care

Overall Rating: 5.0 2026-07-15

Patient verified via Press Ganey

Dr. Moasser is the best

General Payments

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

**Payments by Company**
Pfizer Inc.	$32 IBRANCE $32
Celgene Corporation	$25 Abraxane $25
Merck Sharp & Dohme Corporation	$15 NON-PRODUCT $15
Gilead Sciences, Inc.	$12 $12

**Types of Payments**
Education	$44
Food and Beverage	$40

Biography

Dr Mark Moasser is a medical oncologist specializing in breast cancer treatment and research. In the laboratory, he works to develop more effective therapies for breast cancer and designs clinical trials (studies to evaluate potential therapies) that he then brings to the clinic. Moasser earned his medical degree from Tufts University School of Medicine. He completed his residency and fellowship training at New York–Presbyterian Hospital and Memorial Sloan Kettering Cancer Center. Moasser has published his work in numerous scientific journals. He regularly presents his research findings at scientific meetings.