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Dr. Lee S. Rosen, MD

Accepting New Patients

(304 Ratings)

Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

Baylor College of Medicine (1990)

Professional interests include: pancreatic cancer, clinical trials, esophageal cancer, and more.

15503 Ventura Boulevard
Encino, CA 91436

(818) 995-8044

Dr. Lee S. Rosen, MD is a medical oncologist in Encino, CA specializing in medical oncology, adult oncology and adult hematology. He graduated from Baylor College of Medicine in 1990 and has 36 years of experience. Dr. Lee S. Rosen, MD is affiliated with UCLA Health and UCLA Santa Monica Medical Center.

Office Locations

UCLA Santa Monica Medical Center

15503 Ventura Boulevard
Encino, CA 91436

(818) 995-8044

(818) 995-8007

open_in_new

UCLA Santa Monica Medical Center

2020 Santa Monica Boulevard
Santa Monica, CA 90404

(310) 829-6192

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In The News

“Dr. Lee S. Rosen, a specialist in gastrointestinal cancers and the president of Premiere Oncology, a treatment center in Santa Monica, said in a telephone interview that treatment of advanced colon...”—"White House spokesman's cancer returns and spreads", Los Angeles Times, March 2007

“*In a study involving 28 patients, intravenous injections of Sugen's drug, SU5416, combined with standard chemotherapy stopped advanced colon cancer growth for a median of nine months, compared...”—"THE DOCTOR'S WORLD; In Search of Surprises as Cures for Cancer (Published 2000)", New York Times, May 2000

Noteworthy Medicare Patient Procedures Performed by Dr. Lee S. Rosen, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

CA 19-9 test

In 2023, Dr. Lee S. Rosen, MD performed more CA 19-9 test procedures for Medicare patients than 95% of providers in related specialties within California.

Top 25%

By Volume:

biological response modifier therapy

intravenous infusion therapy

intravenous chemotherapy

lab tests

minimally invasive procedures

In 2012, Dr. Lee S. Rosen, MD performed more biological response modifier (BRM) therapy, intravenous infusion therapy, intravenous (IV) chemotherapy, lab tests, and minimally invasive procedures procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2012 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	136
blood draw	369
chemotherapy	136
doctor visit	713
hospital care	102
inpatient care	102
lab tests	736
minimally invasive procedures	159
port flush	93

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2013 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	237
blood draw	300
chemotherapy	237
doctor visit	817
hospital care	228
inpatient care	228
lab tests	1614
minimally invasive procedures	237
port flush	62

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	117
Female	120

**Ethnicity**
Non-Hispanic White	174
Black	0
Hispanic	19
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	75
85 and over	21
Less than 65	33

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2013

Hypertension	62
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	40
Depression	25
Chronic Kidney Disease	36
Asthma	6
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	8
Cancer	50

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2014 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	217
blood draw	361
chemotherapy	217
doctor visit	874
hospital care	243
inpatient care	243
lab tests	1812
minimally invasive procedures	217
thyroid function tests	27

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	118
Female	127

**Ethnicity**
Non-Hispanic White	182
Black	0
Hispanic	23
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	75
85 and over	22
Less than 65	29

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2014

Hypertension	58
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	33
Asthma	7
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	7
Cancer	47

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2015 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	187
blood draw	305
chemotherapy	187
doctor visit	838
hospital care	241
inpatient care	241
lab tests	1796
minimally invasive procedures	187
thyroid function tests	41

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	218
Female	258

**Ethnicity**
Non-Hispanic White	346
Black	0
Hispanic	40
Asian	46
Other	0
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	146
85 and over	54
Less than 65	48

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2015

Hypertension	60
High Cholesterol	43
Stroke	5
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	5
Cancer	52

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2016 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	186
blood draw	321
chemotherapy	186
doctor visit	745
hospital care	481
inpatient care	481
lab tests	1809
minimally invasive procedures	202
port flush	13
thyroid function tests	20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	170
Female	184

**Ethnicity**
Non-Hispanic White	242
Black	20
Hispanic	30
Asian	46
Other	16
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	108
85 and over	40
Less than 65	40

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2016

Hypertension	63
High Cholesterol	46
Stroke	8
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	38
Asthma	18
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	11
Cancer	49

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2017 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	200
blood draw	254
chemotherapy	200
doctor visit	687
hospital care	167
inpatient care	167
lab tests	1381
minimally invasive procedures	215

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	143
Female	167

**Ethnicity**
Non-Hispanic White	217
Black	12
Hispanic	28
Asian	35
Other	18
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	96
85 and over	27
Less than 65	30

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2017

Hypertension	59
High Cholesterol	44
Stroke	4
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	8
Cancer	51

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2018 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	158
blood draw	308
chemotherapy	158
doctor visit	719
hospital care	275
inpatient care	275
lab tests	1063
minimally invasive procedures	158

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	138
Female	172

**Ethnicity**
Non-Hispanic White	225
Black	11
Hispanic	28
Asian	33
Other	13
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	110
85 and over	42
Less than 65	22

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2018

Hypertension	65
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	12
Cancer	45

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2019 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	118
blood draw	336
chemotherapy	118
doctor visit	691
hospital care	370
inpatient care	370
lab tests	1271
minimally invasive procedures	146

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	163
Female	157

**Ethnicity**
Non-Hispanic White	229
Black	20
Hispanic	16
Asian	41
Other	14
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	98
85 and over	35
Less than 65	28

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2019

Hypertension	62
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	39
Depression	29
Chronic Kidney Disease	43
Asthma	7
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	14
Cancer	46

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2020 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	248
blood draw	196
chemotherapy	248
doctor visit	705
hospital care	219
inpatient care	219
lab tests	1352
minimally invasive procedures	289
preventive care	12
vaccines	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	163
Female	160

**Ethnicity**
Non-Hispanic White	215
Black	16
Hispanic	27
Asian	43
Other	22
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	98
85 and over	40
Less than 65	28

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2020

Hypertension	65
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	40
Depression	23
Chronic Kidney Disease	47
Asthma	8
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	13
Cancer	49

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2021 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	338
blood draw	53
chemotherapy	338
doctor visit	765
hospital care	334
inpatient care	334
lab tests	1424
minimally invasive procedures	363

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	152
Female	168

**Ethnicity**
Non-Hispanic White	230
Black	0
Hispanic	28
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	112
85 and over	32
Less than 65	21

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2021

Hypertension	63
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	41
Depression	31
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	17
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	12
Cancer	50

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA during 2022 were lab tests, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

biological response modifier (BRM) therapy	293
blood draw	41
chemotherapy	293
doctor visit	784
hospital care	304
inpatient care	304
lab tests	1525
minimally invasive procedures	330

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	181
Female	151

**Ethnicity**
Non-Hispanic White	229
Black	13
Hispanic	35
Asian	32
Other	23
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	116
85 and over	39
Less than 65	18

Conditions of Medicare patients treated by Dr. Lee S. Rosen, MD in 2022

Hypertension	75
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	22
Atrial Fibrilation	20
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	8
Cancer	56

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Lee S. Rosen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Lee S. Rosen, MD treated as a medical oncologist in Encino, CA were lab tests, hospital care, inpatient care and blood draw.

biological response modifier (BRM) therapy	210
blood draw	258
chemotherapy	210
doctor visit	758
hospital care	269
inpatient care	269
lab tests	1434
minimally invasive procedures	227
preventive care	12
thyroid function tests	29
vaccines	12

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Lee S. Rosen, MD.

**Gender**
Male	142
Female	151

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	32
Non-Hispanic White	208
Native American / Alaskan Native	0
Hispanic	24
Other	9

**Age**
75 to 84	94
85 and over	32
Less than 65	27
65 to 74	140

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

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

Hypertension	57
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	35
Asthma	7
Osteoporosis	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Atrial Fibrillation	11
Dementia	8
Cancer	45

Education & Training

Dr. Lee S. Rosen, MD graduated from Baylor College of Medicine in 1990. He completed residency at Internship: Medicine, UCLA School of Medicine. He is certified by the Medical Oncology, American Board of Internal Medicine and has a state license in California.

Medical School: Baylor College of Medicine (1990)

Residency: Internship: Medicine, UCLA School of Medicine (1993)

Board Certification: Medical Oncology, American Board of Internal Medicine (1997)

Licensed In: California

Affiliations & Hospitals

Dr. Lee S. Rosen, MD is associated with these hospitals and organizations:

UCLA Health

UCLA Santa Monica Medical Center

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. Lee S. Rosen, MD appears to accept the following insurance providers: TRICARE, Cigna, Private Healthcare Systems (PHCS), Aetna, Blue Shield of California, MultiPlan, UnitedHealthcare, Anthem, Medicare Advantage, Prime Health, First Health, HealthSmart, Centivo, Health Net of California and UFCM Health System.

Insurance Accepted by Provider includes:

According to our sources, Dr. Lee S. Rosen, MD accepts the following insurance providers:

TRICARE

Cigna

Private Healthcare Systems (PHCS)

Aetna

Blue Shield of California

MultiPlan

UnitedHealthcare

Anthem

Medicare Advantage

Prime Health

First Health

HealthSmart

Centivo

Health Net of California

UFCM Health System

Ratings & Reviews

Dr. Lee S. Rosen, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 304 ratings. We collect ratings and reviews of Dr. Lee S. Rosen, MD from all over the web to help you find the right in Encino, CA.

Overall Rating

(304 Ratings)

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General Payments

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

**Payments by Company**
Pfizer Inc.	$37,223 ELELYSO $26,560	SUTENT $3,120	IBRANCE $66	BAVENCIO $29	$7,448
Amgen Inc.	$8,340 $8,340
Boehringer Ingelheim Pharmaceuticals, Inc.	$6,646 $6,646
Celgene Corporation	$3,070 Abraxane $178	$2,892
Otsuka Pharmaceutical Development & Commercialization, Inc.	$81 $81
Other	$123 Iclusig $66	ZALTRAP ziv-aflibercept injection for intravenous infusion $29	Star $17	AFINITOR $12

**Types of Payments**
Consulting Fee	$27,075
Travel and Lodging	$16,641
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$10,430
Food and Beverage	$1,208
Education	$129

Research Payments

Dr. Lee S. Rosen, MD has received 376 research payments totaling $4,706,087.

Biography

Dr. Lee Rosen is a specialist in adult hematology, adult oncology, and medical oncology. He works in Santa Monica, CA and Encino, CA. Areas of particular interest for Dr. Rosen include esophageal cancer, liver cancer, and clinical trials. Patient ratings for Dr. Rosen average 5.0 stars (out of 5). He is an in-network provider for several insurance carriers, including Anthem, UnitedHealthcare, and Blue California. Dr. Rosen graduated from Baylor College of Medicine. He has received professional recognition including the following: Top Doctors, Los Angeles Magazine; Southern California Super Doctors; and Los Angeles Super Doctors. Dr. Rosen (or staff) speaks the following foreign languages: Hebrew and Spanish. Dr. Rosen is affiliated with UCLA Health. According to UCLA Health, new patients are welcome to contact his office in Santa Monica, CA.