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Dr. Andrew John Cowan, MD

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Specializes in: Adult Oncology and Adult Hematology

825 Eastlake Avenue E
Seattle, WA 98109

(206) 288-1000

Dr. Andrew John Cowan, MD is an oncologist in Seattle, WA specializing in adult oncology and adult hematology.

Office Locations

825 Eastlake Avenue E
Seattle, WA 98109

(206) 288-1000

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2012 were diagnostic procedures.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

diagnostic procedures	23
doctor visit	92

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

hospital care	32
inpatient care	32

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	21
Female	18

**Age**
From 65 to 74	12
From 75 to 84	16
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	51
Depression	33
Chronic Kidney Disease	59
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	33
Chronic Obstructive Pulmonary Disease	0
Diabetes	49
Dementia	31
Cancer	28

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

hospital care	164
inpatient care	164

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	72
Female	52

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

**Age**
From 65 to 74	56
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2015

Hypertension	75
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	45
Depression	27
Chronic Kidney Disease	65
Asthma	0
Osteoperosis	0
Atrial Fibrilation	21
Heart Failure	31
Chronic Obstructive Pulmonary Disease	0
Diabetes	47
Dementia	21
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	183
hospital care	68
inpatient care	68

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	51
Female	40

**Ethnicity**
Non-Hispanic White	74
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	18
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2016

Hypertension	68
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	33
Depression	26
Chronic Kidney Disease	48
Asthma	19
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	0
Diabetes	32
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	235
hospital care	88
inpatient care	88

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	64
Female	55

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2017

Hypertension	71
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	29
Depression	27
Chronic Kidney Disease	55
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	29
Chronic Obstructive Pulmonary Disease	17
Diabetes	24
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	272

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	74
Female	46

**Ethnicity**
Non-Hispanic White	101
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	17
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2018

Hypertension	59
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	50
Asthma	0
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	308
hospital care	43
inpatient care	43

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	96
Female	66

**Ethnicity**
Non-Hispanic White	132
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2019

Hypertension	60
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	47
Asthma	8
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	9
Diabetes	19
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	329

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	98
Female	61

**Ethnicity**
Non-Hispanic White	131
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2020

Hypertension	55
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	24
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	301
hospital care	37
inpatient care	37

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	97
Female	64

**Ethnicity**
Non-Hispanic White	127
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2021

Hypertension	55
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	16
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	324
hospital care	47
inpatient care	47

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	101
Female	74

**Ethnicity**
Non-Hispanic White	143
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2022

Hypertension	67
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	19
Depression	22
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	19
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	370

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	114
Female	79

**Ethnicity**
Non-Hispanic White	153
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	55
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2023

Hypertension	59
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	21
Chronic Obstructive Pulmonary Disease	7
Diabetes	15
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

doctor visit	358
hospital care	75
inpatient care	75

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Male	136
Female	84

**Ethnicity**
Non-Hispanic White	175
Black	14
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	75
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew John Cowan, MD in 2024

Hypertension	64
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	17
Atrial Fibrilation	23
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	16
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Andrew John Cowan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Andrew John Cowan, MD treated as an oncologist in Seattle, WA were hospital care, inpatient care and diagnostic procedures.

diagnostic procedures	23
doctor visit	277
hospital care	69
inpatient care	69

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Andrew John Cowan, MD.

**Gender**
Female	53
Male	77

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	102
Native American / Alaskan Native	0
Hispanic	0
Other	3

**Age**
75 to 84	32
85 and over	0
Less than 65	0
65 to 74	76

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

The highest averages of the most common conditions of Medicare patients that Dr. Andrew John Cowan, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	59
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	42
Asthma	4
Osteoporosis	5
Heart Failure	22
Chronic Obstructive Pulmonary Disease	4
Diabetes	23
Atrial Fibrillation	13
Dementia	6
Cancer	14

Education & Training

He has a state license in Washington.

Licensed In: Washington

Ratings & Reviews

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General Payments

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

**Payments by Company**
Pfizer Inc.	$9,130 ELREXFIO $2,880	$6,250
Janssen Scientific Affairs, LLC	$7,330 DARZALEX $5,240	$2,090
E.R. Squibb & Sons, L.L.C.	$6,830 $6,830
GENZYME CORPORATION	$6,749 CD38 $3,703	SARCLISA $3,046
Janssen Global Services, LLC	$4,224 DARZALEX $4,224
Other	$9,936 clonoSEQ $3,200	DARZALEX $1,388	Copiktra $600	XPOVIO $115	Xofigo $114	Other $4,518

**Types of Payments**
Consulting Fee	$32,109
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$9,230
Travel and Lodging	$2,022
Food and Beverage	$839