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Home > CA Providers > Internists & Internal Medicine Doctors

Dr. Gary Lee Chan, MD

(5 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

909 Hyde Street Suite 210
San Francisco, CA 94109

(415) 474-7900

Dr. Gary Lee Chan, MD is an internist in San Francisco, CA specializing in internal medicine (adult medicine).

Office Locations

909 Hyde Street Suite 210
San Francisco, CA 94109

(415) 474-7900

(415) 474-7930

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Null San Francisco, CA 94109

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2012 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	253
lab tests	27
preventive care	57
vaccines	30

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2013 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	253
lab tests	25
preventive care	59
vaccines	34

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	53
Female	34

**Ethnicity**
Non-Hispanic White	41
Black	0
Hispanic	0
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	0
85 and over	20
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	33
Depression	0
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	26
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2014 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	306
lab tests	22
preventive care	57
vaccines	35

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	51
Female	38

**Ethnicity**
Non-Hispanic White	45
Black	0
Hispanic	0
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	0
85 and over	17
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	24
Depression	0
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	24
Chronic Obstructive Pulmonary Disease	0
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2015 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	276
lab tests	20
preventive care	53
vaccines	33

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	106
Female	76

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	0
Asian	46
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD in 2015

Hypertension	75
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	26
Depression	0
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2016 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	259
lab tests	14
preventive care	48
vaccines	34

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	53
Female	36

**Ethnicity**
Non-Hispanic White	51
Black	0
Hispanic	0
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	0
85 and over	21
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	19
Depression	0
Chronic Kidney Disease	30
Asthma	15
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2017 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	217
lab tests	12
preventive care	36
vaccines	24

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	49
Female	31

**Ethnicity**
Non-Hispanic White	44
Black	0
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	0
85 and over	17
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD in 2017

Hypertension	73
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2018 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	200
lab tests	18
preventive care	47
vaccines	29

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	47
Female	29

**Ethnicity**
Non-Hispanic White	43
Black	0
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	20
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD in 2018

Hypertension	71
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	34
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2019 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	202
lab tests	14
preventive care	46
vaccines	32

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	51
Female	31

**Ethnicity**
Non-Hispanic White	51
Black	0
Hispanic	0
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD in 2019

Hypertension	71
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2020 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	162
lab tests	11
preventive care	26
vaccines	15

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	46
Female	27

**Ethnicity**
Non-Hispanic White	51
Black	0
Hispanic	0
Asian	11
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. Gary Lee Chan, MD in 2020

Hypertension	70
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	15
Depression	16
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2021 were lab tests and preventive care.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	168
lab tests	12
preventive care	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	53
Female	26

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	0
Asian	14
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. Gary Lee Chan, MD in 2021

Hypertension	67
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	18
Chronic Kidney Disease	34
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA during 2022 were lab tests and preventive care.

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

doctor visit	166
lab tests	25
preventive care	25

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	56
Female	27

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	0
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD in 2022

Hypertension	65
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	16
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gary Lee Chan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary Lee Chan, MD treated as an internist in San Francisco, CA were preventive care, vaccines and lab tests.

doctor visit	223
lab tests	18
preventive care	42
vaccines	29

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gary Lee Chan, MD.

**Gender**
Male	51
Female	32

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	18
Non-Hispanic White	47
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	7
85 and over	6
Less than 65	0
65 to 74	44

Average of Total of Conditions of Medicare patients treated by Dr. Gary Lee Chan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gary Lee Chan, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	65
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	16
Depression	9
Chronic Kidney Disease	26
Asthma	2
Osteoporosis	2
Heart Failure	12
Chronic Obstructive Pulmonary Disease	1
Diabetes	26
Atrial Fibrillation	2
Dementia	0
Cancer	0

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Gary Lee Chan, MD has a good overall rating with an average of 3.4 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Gary Lee Chan, MD from all over the web to help you find the right in San Francisco, CA.

3.4

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
ViiV Healthcare Company	$971 TRIUMEQ $434	JULUCA $244	TIVICAY $153	DOVATO $140
Amgen Inc.	$963 Repatha $310	Tavneos $247	Prolia $240	Vectibix $124	Corlanor $42
AbbVie, Inc.	$719 Creon $468	Synthroid $213	Kaletra $21	Androgel $18
GlaxoSmithKline, LLC.	$718 BREO $355	INCRUSE $112	ANORO $89	TRELEGY ELLIPTA $76	FLOVENT $27	Other $59
SANOFI-AVENTIS U.S. LLC	$639 TOUJEO $364	LANTUS $115	PRALUENT $35	$125
Other	$6,769 Injectafer $315	SPIRIVA RESPIMAT $307	Trintellix $212	JULUCA $183	JARDIANCE $178	Other $5,575