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Dr. Mark M. Moasser, MD, Breast Medical Oncology

Accepting New Patients

(Dr. Mark M. Moasser, MD)

(142 Ratings)

Specializes in: General Practice 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, Breast Medical Oncology is a general practitioner in San Francisco, CA specializing in general practice and medical oncology. He graduated from Tufts University School of Medicine. Dr. Mark M. Moasser, MD, Breast Medical Oncology is affiliated with UCSF Health, UCSF, UCSF Medical Group, 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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	157

2013 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	146

2014 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	123

2015 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	155

2016 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	149

2017 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	137

2018 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	170

2019 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	118

2020 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	116

2021 Medicare Patient Data

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

**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, Breast Medical Oncology 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, Breast Medical Oncology for Medicare patients.

doctor visit	163

2022 Medicare Patient Data

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

**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, Breast Medical Oncology 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

Average Medicare Procedure Volume From 2012 - 2022

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

doctor visit	145

Average Medicare Patient Data From 2012 - 2022

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

**Gender**
Male	0
Female	32

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	46
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	7
85 and over	0
Less than 65	0
65 to 74	37

Average of Total of Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD, Breast Medical Oncology From 2012 - 2022

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

Hypertension	41
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	3
Depression	11
Chronic Kidney Disease	7
Asthma	0
Osteoporosis	7
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Atrial Fibrillation	0
Cancer	68
Dementia	1

Education & Training

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

Medical School: Tufts University School of Medicine

Residency: New York-Presbyterian Hospital

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

Licensed In: California

Affiliations & Hospitals

Dr. Mark M. Moasser, MD, Breast Medical Oncology is associated with these hospitals and organizations:

UCSF Health

UCSF

UCSF Medical Group

Hill Physicians

Breast Care Center

Ratings & Reviews

Dr. Mark M. Moasser, MD, Breast Medical Oncology has an exceptional overall rating with an average of 4.81 out of 5 stars based on 142 ratings. We collect ratings and reviews of Dr. Mark M. Moasser, MD, Breast Medical Oncology from all over the web to help you find the right in San Francisco, CA.

4.81

Overall Rating

(142 Ratings)

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Reviews From Around The Web

Overall Rating: 5.0 2025-12-10

Patient verified via Press Ganey

Compassionate, expert and professional care

General Payments

These charts describe general payments received by Dr. Mark M. Moasser, MD, Breast Medical Oncology. 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's areas of specialization are general practice and medical oncology; he sees patients in San Francisco, CA. He attended medical school at Tufts University School of Medicine. Dr. Moasser completed his residency training at New York-Presbyterian Hospital and New York Hospital. In his practice, Dr. Moasser focuses on breast cancer. Patient ratings for Dr. Moasser average 5.0 stars (out of 5). He is affiliated with UCSF Medical Group and Hill Physicians. According to Doctor.com, Dr. Moasser is currently accepting new patients at his office in San Francisco, CA.

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Dr. Mark M. Moasser, MD, Breast Medical Oncology

Office Locations

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

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

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

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

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

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

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

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

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

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

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

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

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

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

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

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

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

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

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Mark M. Moasser, MD, Breast Medical Oncology From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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