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Dr. Melissa Jill Cohen, MD

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Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

George Washington University School of Medicine and Health Sciences

1250 La Venta Drive Suite 202
Westlake Village, CA 91361

(805) 496-5153

Dr. Melissa Jill Cohen, MD is a medical oncologist in Westlake Village, CA specializing in medical oncology, adult oncology and adult hematology. She graduated from George Washington University School of Medicine and Health Sciences. Dr. Melissa Jill Cohen, MD is affiliated with St. John's Health, Dignity Health and Northridge Hospital Medical Center.

Office Locations

Northridge Hospital Medical Center

1250 La Venta Drive Suite 202
Westlake Village, CA 91361

(805) 496-5153

(805) 496-5202

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2750 Sycamore Drive 201
Simi Valley, CA 93065

(805) 583-0110

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St. John's Health

625 E Broadway
Jackson, WY 83001

(307) 739-6195

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2012 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	214
blood draw	346
bone marrow tests	17
chemotherapy	214
diagnostic procedures	17
doctor visit	572
hospital care	47
inpatient care	47
lab tests	193
minimally invasive procedures	240
port flush	53

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2013 were blood draw, lab tests, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	263
blood draw	381
bone marrow tests	16
chemotherapy	263
diagnostic procedures	16
doctor visit	689
hospital care	98
inpatient care	98
lab tests	336
minimally invasive procedures	314
port flush	54

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	62
Female	117

**Ethnicity**
Non-Hispanic White	148
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	60
85 and over	21
Less than 65	26

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2013

Hypertension	61
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	15
Cancer	44

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2014 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	295
blood draw	451
chemotherapy	295
doctor visit	1039
hospital care	89
inpatient care	89
lab tests	228
minimally invasive procedures	375
port flush	59
preventive care	15
vaccines	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	116
Female	196

**Ethnicity**
Non-Hispanic White	252
Black	0
Hispanic	28
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	104
85 and over	46
Less than 65	34

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2014

Hypertension	64
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	35
Depression	29
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	17
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	13
Cancer	42

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2015 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	318
blood draw	624
bone marrow tests	13
chemotherapy	318
diagnostic procedures	13
doctor visit	1342
hospital care	36
inpatient care	36
lab tests	274
minimally invasive procedures	453
port flush	82
preventive care	17
vaccines	17

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	318
Female	514

**Ethnicity**
Non-Hispanic White	690
Black	0
Hispanic	60
Asian	48
Other	0
Native American	0

**Age**
From 65 to 74	356
From 75 to 84	286
85 and over	114
Less than 65	76

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2015

Hypertension	62
High Cholesterol	48
Stroke	6
Ischemic Heart Disease	35
Depression	27
Chronic Kidney Disease	32
Asthma	13
Osteoperosis	18
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	10
Cancer	44

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2016 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	384
blood draw	785
chemotherapy	384
doctor visit	1459
hormone therapy	63
hospital care	92
inpatient care	92
lab tests	291
minimally invasive procedures	504
port flush	65
preventive care	22
vaccines	22

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	155
Female	276

**Ethnicity**
Non-Hispanic White	353
Black	0
Hispanic	33
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	155
85 and over	59
Less than 65	39

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2016

Hypertension	66
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	37
Asthma	19
Osteoperosis	21
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	11
Cancer	46

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2017 were blood draw, lab tests, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	310
blood draw	631
chemotherapy	310
doctor visit	1394
hospital care	39
inpatient care	39
lab tests	480
minimally invasive procedures	352
port flush	55
preventive care	24
vaccines	24

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	143
Female	303

**Ethnicity**
Non-Hispanic White	365
Black	0
Hispanic	36
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	164
85 and over	58
Less than 65	29

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2017

Hypertension	63
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	21
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	11
Cancer	47

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2018 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	274
blood draw	623
chemotherapy	274
doctor visit	1312
hospital care	99
inpatient care	99
lab tests	644
minimally invasive procedures	345
port flush	57
preventive care	14
vaccines	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	167
Female	357

**Ethnicity**
Non-Hispanic White	441
Black	0
Hispanic	34
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	193
85 and over	68
Less than 65	28

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2018

Hypertension	60
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	37
Depression	24
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	19
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Dementia	11
Cancer	47

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2019 were blood draw, lab tests, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	356
blood draw	660
chemotherapy	356
doctor visit	1450
hospital care	73
inpatient care	73
lab tests	650
minimally invasive procedures	404
port flush	41

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	164
Female	380

**Ethnicity**
Non-Hispanic White	444
Black	0
Hispanic	40
Asian	33
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	183
85 and over	72
Less than 65	34

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2019

Hypertension	62
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	22
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	9
Cancer	47

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2020 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	381
blood draw	478
chemotherapy	381
doctor visit	1480
hormone therapy	51
hospital care	128
inpatient care	128
lab tests	703
minimally invasive procedures	457
port flush	60
preventive care	11
vaccines	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	158
Female	389

**Ethnicity**
Non-Hispanic White	460
Black	0
Hispanic	32
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	189
85 and over	78
Less than 65	33

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2020

Hypertension	62
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	35
Depression	28
Chronic Kidney Disease	37
Asthma	8
Osteoperosis	22
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	9
Cancer	45

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2021 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	336
blood draw	204
chemotherapy	336
doctor visit	1504
hospital care	65
inpatient care	65
lab tests	668
minimally invasive procedures	415
port flush	100

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	168
Female	421

**Ethnicity**
Non-Hispanic White	481
Black	15
Hispanic	42
Asian	36
Other	15
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	216
85 and over	68
Less than 65	30

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2021

Hypertension	60
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	23
Atrial Fibrilation	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	8
Cancer	49

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2022 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	340
blood draw	198
chemotherapy	340
doctor visit	1635
hospital care	108
inpatient care	108
lab tests	660
minimally invasive procedures	433
port flush	45

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	168
Female	479

**Ethnicity**
Non-Hispanic White	535
Black	0
Hispanic	39
Asian	42
Other	18
Native American	0

**Age**
From 65 to 74	281
From 75 to 84	277
85 and over	72
Less than 65	17

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	20
Asthma	13
Osteoperosis	32
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	5
Cancer	56

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA during 2023 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

biological response modifier (BRM) therapy	140
blood draw	90
chemotherapy	140
doctor visit	1178
hospital care	85
inpatient care	85
lab tests	338
minimally invasive procedures	231
port flush	30

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Male	223
Female	511

**Ethnicity**
Non-Hispanic White	630
Black	0
Hispanic	42
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	344
From 75 to 84	285
85 and over	86
Less than 65	19

Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD in 2023

Hypertension	68
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	30
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	17
Diabetes	23
Dementia	4
Cancer	57

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Melissa Jill Cohen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Melissa Jill Cohen, MD treated as a medical oncologist in Westlake Village, CA were lab tests, blood draw, minimally invasive procedures and chemotherapy.

biological response modifier (BRM) therapy	300
blood draw	455
bone marrow tests	15
chemotherapy	300
diagnostic procedures	15
doctor visit	1254
hormone therapy	57
hospital care	79
inpatient care	79
lab tests	455
minimally invasive procedures	376
preventive care	17
vaccines	17

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Melissa Jill Cohen, MD.

**Gender**
Female	328
Male	153

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	25
Non-Hispanic White	399
Native American / Alaskan Native	0
Hispanic	33
Other	5

**Age**
75 to 84	176
85 and over	61
Less than 65	30
65 to 74	213

Average of Total of Conditions of Medicare patients treated by Dr. Melissa Jill Cohen, MD From 2012 - 2023

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

Hypertension	58
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	28
Asthma	10
Osteoporosis	19
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Atrial Fibrillation	11
Dementia	8
Cancer	43

Education & Training

Dr. Melissa Jill Cohen, MD graduated from George Washington University School of Medicine and Health Sciences. She completed residency at University of Colorado Denver Affiliated Hospitals. She is certified by the Internal Medicine Internal Medicine (Sub: Geriatric Medicine) Internal Medicine (Sub: Medical Oncology) and has a state license in California.

Medical School: George Washington University School of Medicine and Health Sciences

Residency: University of Colorado Denver Affiliated Hospitals

Board Certification: Internal Medicine Internal Medicine (Sub: Geriatric Medicine) Internal Medicine (Sub: Medical Oncology)

Licensed In: California

Affiliations & Hospitals

Dr. Melissa Jill Cohen, MD is associated with these hospitals and organizations:

St. John's Health

Dignity Health

Northridge Hospital Medical Center

Ratings & Reviews

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General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$1,554 KISQALI $1,263	SANDOSTATIN LAR $123	$167
Daiichi Sankyo Inc.	$191 Enhertu $73	$118
Astellas Pharma US Inc	$178 PADCEV $29	$149
Stryker Corporation	$107 NAVIGATION $107
Genentech USA, Inc.	$106 Gazyva $32	Kadcyla $31	Activase $24	Avastin $19
Other	$632 superDimension $104	TIVDAK $47	ZEJULA $46	LYNPARZA $32	FOUNDATIONONE LIQUID CDX $30	Other $373

**Types of Payments**
Long term medical supply or device loan	$1,430
Food and Beverage	$967
Education	$371

Biography

Dr. Melissa Cohen practices adult hematology, adult oncology, and medical oncology. She is professionally affiliated with St. John's Health and Northridge Hospital Medical Center. She is not accepting new patients at this time according to Dignity Health. After completing medical school at George Washington University School of Medicine and Health Sciences, Dr. Cohen performed her residency at a hospital affiliated with the University of Colorado Denver.