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Dr. John W. Park, MD

Accepting New Patients

(Dr. John W. Park, MD)

(364 Ratings)

Specializes in: Physician and Medical Oncology

Stanford University School of Medicine

Professional interests include: breast cancer

1825 4th Street Floor 3
San Francisco, CA 94143

(415) 353-7070

Dr. John W. Park, MD is a physician provider in San Francisco, CA specializing in physician and medical oncology. He graduated from Stanford University School of Medicine. Dr. John W. Park, MD is affiliated with UCSF Health 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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2501 E Chapman Avenue
Orange, CA 92869

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In The News

“Dr. John Park, attending medical oncologist at UCSF, said the hypothesis is a reasonable theory to test, but that he would have difficulty recommending it to his breast cancer patients given the...”—"Insurer said no, so cancer patient pays for experimental treatment", SFGATE, February 2012

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	123

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	139

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	43
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. John W. Park, MD in 2013

Hypertension	46
High Cholesterol	34
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

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	130

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

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

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2014

Hypertension	51
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	18
Depression	17
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	154

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Gender**
Male	0
Female	152

**Ethnicity**
Non-Hispanic White	126
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2015

Hypertension	36
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	14
Depression	17
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	14
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	196

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2016

Hypertension	45
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	14
Depression	20
Chronic Kidney Disease	15
Asthma	0
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	120

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

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

**Age**
From 65 to 74	46
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2017

Hypertension	54
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	19
Depression	23
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	13
Diabetes	17
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	216

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	0
Asian	0
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. John W. Park, MD in 2018

Hypertension	51
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	24
Depression	17
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	18
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	235

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	79
Black	0
Hispanic	0
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2019

Hypertension	56
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	23
Depression	26
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	21
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	26
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	245

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	83
Black	0
Hispanic	0
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	39
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2020

Hypertension	53
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	15
Depression	28
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	20
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	12
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	320

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	111
Black	0
Hispanic	0
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	49
85 and over	15
Less than 65	12

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2021

Hypertension	45
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	20
Depression	21
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	24
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	7
Cancer	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	339

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	110
Black	0
Hispanic	0
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	48
85 and over	15
Less than 65	14

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2022

Hypertension	52
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	10
Depression	28
Chronic Kidney Disease	8
Asthma	10
Osteoperosis	25
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	485

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	136
Black	0
Hispanic	12
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	56
85 and over	25
Less than 65	16

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2023

Hypertension	61
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	16
Depression	23
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	29
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	437

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John W. Park, MD.

**Ethnicity**
Non-Hispanic White	118
Black	0
Hispanic	11
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	51
85 and over	23
Less than 65	12

Conditions of Medicare patients treated by Dr. John W. Park, MD in 2024

Hypertension	62
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	16
Depression	22
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	32
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	32
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John W. Park, MD for Medicare patients.

doctor visit	241

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John W. Park, MD.

**Gender**
Female	11
Male	0

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	11
Non-Hispanic White	80
Hispanic	1
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	6
75 to 84	30
Less than 65	4
65 to 74	56

Average of Total of Conditions of Medicare patients treated by Dr. John W. Park, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. John W. Park, MD treated were cancer, hypertension, high cholesterol and depression.

Hypertension	47
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	14
Depression	18
Chronic Kidney Disease	11
Asthma	2
Osteoporosis	16
Heart Failure	5
Chronic Obstructive Pulmonary Disease	3
Diabetes	18
Atrial Fibrillation	2
Cancer	69
Dementia	1

Education & Training

Dr. John W. Park, MD graduated from Stanford University School of Medicine. He completed residency at University of California, Los Angeles (UCLA) Affiliated Hospitals. 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: Stanford University School of Medicine

Residency: University of California, Los Angeles (UCLA) Affiliated Hospitals (1989)

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

Licensed In: California

Affiliations & Hospitals

Dr. John W. Park, MD is associated with these hospitals and organizations:

UCSF Health

Breast Care Center

Ratings & Reviews

Dr. John W. Park, MD has an exceptional overall rating with an average of 4.92 out of 5 stars based on 364 ratings. We collect ratings and reviews of Dr. John W. Park, MD from all over the web to help you find the right in San Francisco, CA.

4.92

Overall Rating

(364 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-04-02

Patient verified via Press Ganey

Dr. Park is very knowledgeable, professional, and care for the patient. He clarified all my concerns and questions very well.

Overall Rating: 5.0 2026-05-10

Patient verified via Press Ganey

Dr Park left my medical prescriptions up to me, He was factual, observant and excellent care ensued

Overall Rating: 5.0 2025-05-29

Patient verified via Press Ganey

I am very confident in Dr Park.

Overall Rating: 5.0 2025-07-26

Patient verified via Press Ganey

Very good experience

General Payments

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

**Payments by Company**
Genentech USA, Inc.	$318,400 Kadcyla $106,856	Perjeta $84,223	Phesgo $47,434	TECENTRIQ $20,632	Avastin $64	Other $59,191
Pfizer Inc.	$143,875 IBRANCE $143,875
AstraZeneca Pharmaceuticals LP	$135,753 Enhertu $130,633	$5,120
Daiichi Sankyo Inc.	$109,188 Enhertu $109,188
Gilead Sciences, Inc.	$65,893 Trodelvy $65,881	$12
Other	$5,163 Trodelvy $4,525	NATRELLE SALINE-FILLED BREAST IMPLANTS $148	No Product $108	Octrode SCS Leads $104	KEYTRUDA $100	Other $179

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$634,618
Travel and Lodging	$108,603
Consulting Fee	$18,452
Food and Beverage	$16,555
Education	$44

Biography

Dr. John Park is a physician and medical oncology specialist in San Francisco, CA. Patients rated him highly, giving him an average of 5.0 stars (out of 5). Dr. Park's clinical interests encompass breast cancer. He attended Stanford University School of Medicine and then went on to complete his residency at a hospital affiliated with the University of California, Los Angeles (UCLA). He is professionally affiliated with UCSF Health. According to Doctor.com, new patients are welcome to contact Dr. Park's office in San Francisco, CA.