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Dr. Richard Tsong Lee, MD

Accepting New Patients

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Specializes in: Medical Oncology, Hospice and Palliative Medicine (End-of-Life Care and Serious Illness), Adult Oncology and Hematology (Blood Disorders)

209 South Fair Oaks Avenue
Pasadena, CA 91030

1-877-998-7546

Dr. Richard Tsong Lee, MD is a medical oncologist in Pasadena, CA specializing in medical oncology, hospice and palliative medicine (end-of-life care and serious illness), adult oncology and hematology (blood disorders).

Office Locations

209 South Fair Oaks Avenue
Pasadena, CA 91030

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209 FAIR OAKS AVENUE
SOUTH PASADENA, CA 91030

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1500 E DUARTE ROAD
DUARTE, CA 91010

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1000 Fivepoint
Irvine, CA 92618

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In The News (see more mentions in the news)

“It s being overseen by Dr. Richard Lee, who also runs the Cherng Family Center for Integrative Oncology at City of Hope.”—"City of Hope Prepares to See First Patients at Cancer Only Hospital", Orange County Business Journal, November 2025

“The oncology program has plans to expand its clinical services outside of Orange County to its other campuses in Chicago, Atlanta and Phoenix, according to Richard Lee, the Cherng Family Director's...”—"OC Colleges, Hospitals See Focus of 2023 Donations", Orange County Business Journal, February 2024

“The donation grew out of discussions the Cherngs had with Kim and Dr. Richard Lee, who was hired 18 months ago to run City of Hope's integrative oncology program.”—"Panda Express founders donate $100 million to City of Hope for alternative cancer care", Los Angeles Times, September 2023

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	116

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	104
hospital care	11
inpatient care	11

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	33
Female	58

**Ethnicity**
Non-Hispanic White	60
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	15
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2013

Hypertension	71
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	0
Cancer	54

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	91
hospital care	29
inpatient care	29

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	53
Female	66

**Ethnicity**
Non-Hispanic White	82
Black	12
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2014

Hypertension	64
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	37
Asthma	12
Osteoperosis	18
Atrial Fibrilation	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	0
Cancer	56

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	70
hospital care	19
inpatient care	19

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	90
Female	98

**Ethnicity**
Non-Hispanic White	128
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	50
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2015

Hypertension	75
High Cholesterol	62
Stroke	14
Ischemic Heart Disease	40
Depression	39
Chronic Kidney Disease	33
Asthma	15
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	0
Cancer	53

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	158
hospital care	23
inpatient care	23

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	39
Female	48

**Ethnicity**
Non-Hispanic White	62
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2016

Hypertension	75
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	45
Depression	26
Chronic Kidney Disease	55
Asthma	24
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	21
Cancer	38

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	130
hospital care	163
inpatient care	163

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	65
Female	50

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

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

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2017

Hypertension	63
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	43
Depression	34
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	11
Cancer	43

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	188
hospital care	92
inpatient care	92

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	76
Female	43

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

**Age**
From 65 to 74	67
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2018

Hypertension	64
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	50
Depression	31
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	24
Chronic Obstructive Pulmonary Disease	28
Diabetes	30
Dementia	11
Cancer	42

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	189
hospital care	41
inpatient care	41

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	58
Female	50

**Ethnicity**
Non-Hispanic White	73
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	29
85 and over	11
Less than 65	13

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2019

Hypertension	64
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	44
Depression	31
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	35
Dementia	0
Cancer	34

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	210
hospital care	62
inpatient care	62

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	57
Female	47

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

**Age**
From 65 to 74	62
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2020

Hypertension	72
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	44
Depression	23
Chronic Kidney Disease	50
Asthma	0
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	13
Cancer	43

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	168
hospital care	40
inpatient care	40

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	53
Female	36

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2021

Hypertension	72
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	52
Depression	35
Chronic Kidney Disease	51
Asthma	0
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	26
Chronic Obstructive Pulmonary Disease	12
Diabetes	42
Dementia	17
Cancer	44

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	67

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	27
Female	25

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

**Age**
From 65 to 74	24
From 75 to 84	17
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD in 2022

Hypertension	71
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	27
Depression	27
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	25
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	63

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

doctor visit	138

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Male	28
Female	41

**Ethnicity**
Non-Hispanic White	37
Black	0
Hispanic	0
Asian	18
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. Richard Tsong Lee, MD in 2023

Hypertension	72
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	28
Depression	22
Chronic Kidney Disease	19
Asthma	16
Osteoperosis	29
Atrial Fibrilation	16
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	16
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Richard Tsong Lee, MD for Medicare patients.

The highest averages for the top procedures that Dr. Richard Tsong Lee, MD treated as a medical oncologist in Pasadena, CA were hospital care and inpatient care.

doctor visit	135
hospital care	53
inpatient care	53

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Richard Tsong Lee, MD.

**Gender**
Female	46
Male	48

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	1
Non-Hispanic White	65
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	0
75 to 84	20
Less than 65	1
65 to 74	53

Average of Total of Conditions of Medicare patients treated by Dr. Richard Tsong Lee, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Richard Tsong Lee, MD treated were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	63
High Cholesterol	47
Stroke	1
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	33
Asthma	7
Osteoporosis	5
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Atrial Fibrillation	12
Dementia	6
Cancer	45

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Covidien Sales LLC	$9,011 Vascular $6,461	CVI $2,122	$428
Medtronic Vascular, Inc.	$3,641 CVI $3,626	VenaSeal $15
Takeda Pharmaceuticals America, Inc.	$534 Trintellix $224	Contrave $173	Brintellix $137
Takeda Pharmaceuticals U.S.A., Inc.	$336 Trintellix $283	FRUZAQLA $25	MOTEGRITY $17	Uloric $11
Karyopharm Therapeutics Inc.	$90 XPOVIO $90
Other	$188 ARISTA AH FLEXITIP $27	Synthroid $22	CYRAMZA $18	PriMatrix $16	Lenvima $15	Other $89

**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	$5,400
Travel and Lodging	$4,914
Food and Beverage	$3,486

Research Payments

Dr. Richard Tsong Lee, MD has received 80 research payments totaling $202,362.

Biography

Dr. Richard Lee is a specialist in hospice and palliative medicine (end-of-life care and serious illness), adult hematology, and adult oncology. He studied medicine at George Washington University School of Medicine and Health Sciences. Doctor.com reports that he is accepting new patients at his office in South Pasadena, CA.