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Dr. Ralph Philip Ermoian, MD

(Ralph Philip Ermoian)

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Specializes in: Oncology (Cancer Care), General Pediatrics and Radiation Oncology

University of California, San Francisco (UCSF), School of Medicine

Professional interests include: solid tumor, neuroblastoma (nerve cancer), Wilms tumor, and more.

1570 N. 115th Street
Seattle, WA 98133

(206) 306-2800

Dr. Ralph Philip Ermoian, MD is an oncologist in Seattle, WA specializing in oncology (cancer care), general pediatrics and radiation oncology. He graduated from University of California, San Francisco (UCSF), School of Medicine. Dr. Ralph Philip Ermoian, MD is affiliated with Fred Hutchinson Cancer Center and Seattle Children's.

Office Locations

1959 NE Pacific Street
Seattle, WA 98195

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1570 N. 115th Street
Seattle, WA 98133

(206) 306-2800

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Ralph Philip Ermoian, MD for Medicare patients.

doctor visit	29

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Ralph Philip Ermoian, MD for Medicare patients.

doctor visit	20

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	50
Female	17

**Age**
From 65 to 74	37
From 75 to 84	16
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2013

Hypertension	54
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	52

Medicare Procedure and Patient Information

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	60
Female	35

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	27
85 and over	0
Less than 65	13

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2014

Hypertension	44
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	22
Depression	16
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	13
Diabetes	0
Dementia	0
Cancer	72

Medicare Procedure and Patient Information

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	246
Female	98

**Ethnicity**
Non-Hispanic White	310
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	122
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2015

Hypertension	58
High Cholesterol	44
Stroke	6
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	0
Cancer	58

Medicare Procedure and Patient Information

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	145
Female	49

**Ethnicity**
Non-Hispanic White	165
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	53
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2016

Hypertension	54
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	29
Depression	13
Chronic Kidney Disease	25
Asthma	13
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	19
Dementia	0
Cancer	52

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Ralph Philip Ermoian, MD for Medicare patients.

doctor visit	21

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	123
Female	54

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

**Age**
From 65 to 74	111
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2017

Hypertension	56
High Cholesterol	36
Stroke	7
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	0
Cancer	63

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	154
Female	54

**Ethnicity**
Non-Hispanic White	161
Black	0
Hispanic	13
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	48
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2018

Hypertension	52
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	18
Dementia	7
Cancer	59

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	150
Female	59

**Ethnicity**
Non-Hispanic White	181
Black	0
Hispanic	0
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	53
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2019

Hypertension	54
High Cholesterol	44
Stroke	7
Ischemic Heart Disease	25
Depression	22
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	8
Cancer	62

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	151
Female	70

**Ethnicity**
Non-Hispanic White	190
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	67
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2020

Hypertension	50
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	18
Dementia	7
Cancer	62

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Ralph Philip Ermoian, MD for Medicare patients.

doctor visit	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	201
Female	79

**Ethnicity**
Non-Hispanic White	231
Black	0
Hispanic	0
Asian	18
Other	16
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	85
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2021

Hypertension	55
High Cholesterol	47
Stroke	4
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	16
Dementia	6
Cancer	58

Medicare Procedure and Patient Information

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	217
Female	75

**Ethnicity**
Non-Hispanic White	259
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	95
85 and over	15
Less than 65	11

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2022

Hypertension	59
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	18
Dementia	4
Cancer	68

Medicare Procedure and Patient Information

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	229
Female	61

**Ethnicity**
Non-Hispanic White	254
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	104
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2023

Hypertension	63
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	19
Depression	12
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	18
Dementia	0
Cancer	68

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

Volume of procedures performed by Dr. Ralph Philip Ermoian, MD for Medicare patients.

doctor visit	14

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Male	185
Female	69

**Ethnicity**
Non-Hispanic White	215
Black	0
Hispanic	0
Asian	11
Other	16
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	90
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD in 2024

Hypertension	65
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	19
Asthma	5
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	18
Dementia	0
Cancer	64

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Ralph Philip Ermoian, MD for Medicare patients.

doctor visit	21

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Ralph Philip Ermoian, MD.

**Gender**
Female	55
Male	147

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	4
Non-Hispanic White	168
Hispanic	1
Native American / Alaskan Native	0
Other	5

**Age**
85 and over	1
75 to 84	61
Less than 65	1
65 to 74	118

Average of Total of Conditions of Medicare patients treated by Dr. Ralph Philip Ermoian, MD From 2012 - 2024

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

Hypertension	51
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	22
Depression	16
Chronic Kidney Disease	21
Asthma	4
Osteoporosis	4
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	14
Atrial Fibrillation	9
Cancer	56
Dementia	2

Education & Training

Dr. Ralph Philip Ermoian, MD graduated from University of California, San Francisco (UCSF), School of Medicine. He completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. He is certified by the Radiation Oncology, American Board of Radiology and has a state license in Washington.

Medical School: University of California, San Francisco (UCSF), School of Medicine

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

Board Certification: Radiation Oncology, American Board of Radiology (2012)

Licensed In: Washington

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General Payments

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

**Payments by Company**
Elekta, Inc.	$57 ELEKTA LINEAR ACCELERATOR $57

**Types of Payments**
Food and Beverage	$57

Biography

Dr. Ralph Ermoian specializes in radiation oncology and general pediatrics and practices in Seattle, WA. Dr. Ermoian is a graduate of the University of California, San Francisco (UCSF), School of Medicine. For his professional training, Dr. Ermoian completed residency programs at a hospital affiliated with the University of California, San Francisco (UCSF) and a hospital affiliated with the University of Washington. These areas are among his clinical interests: neuroblastoma (nerve cancer), hodgkin's lymphoma, and proton therapy. Awards and/or distinctions Dr. Ermoian has received include Seattle Magazine's 2025 Top Doctors Award; Seattle Top Doctor - 2024 : Seattle Magazine; and Seattle Top Doctor - 2023 : Seattle Magazine. He is affiliated with Seattle Children's and Fred Hutchinson Cancer Center.