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Dr. Philip J. Mease, MD

Accepting New Patients

(2 Ratings)

Specializes in: Adult Rheumatology

601 Broadway
Seattle, WA 98122

(206) 386-2000

Dr. Philip J. Mease, MD is a rheumatologist in Seattle, WA specializing in adult rheumatology. Dr. Philip J. Mease, MD is affiliated with Swedish Medical Center and Providence.

Office Locations

1101 Madison Street Suite 1000
Seattle, WA 98104

(206) 386-2001

(206) 386-2083

open_in_new

601 Broadway
Seattle, WA 98122

(206) 386-2000

open_in_new

In The News (see more mentions in the news)

“Rates of all treatment-emergent adverse events (TEAEs) were 126.9 per 100 patient-years of treatment among the 1,409 participants with PsA and 129.6 per 100 patient-years for the 848 axSpA...”—"Bimekizumab Safety Holds Up in Long-Term Data", MedPage Today, March 2026

“First author, Philip Mease, MD, is a rheumatologist-researcher with Swedish Health Services and Seattle Rheumatology Associates.”—"Starting DMARDs Earlier vs Later in Psoriatic Arthritis", MedPage Today, December 2025

“Further gains in efficacy were seen when all patients in the trial took the drug out to week 52, reported Philip Mease, MD, of Swedish Medical Center in Seattle.”—"Full-Year Data Back TYK2 Blocker in Psoriatic Arthritis", MedPage Today, October 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Philip J. Mease, MD in 2024

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

Top 10%

By Affordability:

biological response modifier therapy

chemotherapy

intravenous infusion therapy

intravenous chemotherapy

In 2024, Dr. Philip J. Mease, MD had a list price for biological response modifier (BRM) therapy, chemotherapy, intravenous infusion therapy, and intravenous (IV) chemotherapy that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Washington. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2012 were minimally invasive procedures, aspiration, injections and chemotherapy.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

aspiration	96
biological response modifier (BRM) therapy	77
chemotherapy	77
doctor visit	493
injections	96
minimally invasive procedures	146
preventive care	18
vaccines	18

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2013 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

aspiration	66
biological response modifier (BRM) therapy	89
chemotherapy	89
doctor visit	548
injections	66
minimally invasive procedures	166
preventive care	27
vaccines	27

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	70
Female	220

**Ethnicity**
Non-Hispanic White	247
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	82
85 and over	13
Less than 65	56

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2013

Hypertension	39
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	18
Depression	21
Chronic Kidney Disease	12
Asthma	8
Osteoperosis	21
Atrial Fibrilation	6
Heart Failure	8
Chronic Obstructive Pulmonary Disease	6
Diabetes	15
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2014 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

aspiration	35
biological response modifier (BRM) therapy	35
chemotherapy	35
doctor visit	419
injections	35
minimally invasive procedures	114
preventive care	20
vaccines	20

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	67
Female	176

**Ethnicity**
Non-Hispanic White	214
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	64
85 and over	15
Less than 65	48

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2014

Hypertension	39
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	22
Depression	22
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	25
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2015 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and blood draw.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

biological response modifier (BRM) therapy	46
blood draw	35
chemotherapy	46
doctor visit	289
minimally invasive procedures	126
preventive care	20
vaccines	20

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	106
Female	294

**Ethnicity**
Non-Hispanic White	348
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	96
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2015

Hypertension	37
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	21
Depression	21
Chronic Kidney Disease	10
Asthma	0
Osteoperosis	29
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	15
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2016 were minimally invasive procedures, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

biological response modifier (BRM) therapy	48
blood draw	51
chemotherapy	48
doctor visit	313
minimally invasive procedures	178

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	56
Female	144

**Ethnicity**
Non-Hispanic White	178
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	47
85 and over	12
Less than 65	29

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2016

Hypertension	45
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	20
Depression	27
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	30
Atrial Fibrilation	6
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	15
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2017 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and blood draw.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

aspiration	27
biological response modifier (BRM) therapy	50
blood draw	37
chemotherapy	50
doctor visit	297
injections	27
minimally invasive procedures	137

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	68
Female	144

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

**Age**
From 65 to 74	125
From 75 to 84	54
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2017

Hypertension	37
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	18
Depression	26
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	27
Atrial Fibrilation	5
Heart Failure	7
Chronic Obstructive Pulmonary Disease	0
Diabetes	11
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2018 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

aspiration	27
biological response modifier (BRM) therapy	48
chemotherapy	48
doctor visit	213
injections	27
minimally invasive procedures	136

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	60
Female	132

**Ethnicity**
Non-Hispanic White	168
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	61
85 and over	11
Less than 65	21

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2018

Hypertension	42
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	21
Depression	23
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	30
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	16
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2019 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

aspiration	21
biological response modifier (BRM) therapy	37
chemotherapy	37
doctor visit	190
injections	21
minimally invasive procedures	90

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	52
Female	115

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

**Age**
From 65 to 74	92
From 75 to 84	49
85 and over	15
Less than 65	11

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2019

Hypertension	44
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	36
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	13
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

doctor visit	133

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	41
Female	78

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

**Age**
From 65 to 74	65
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2020

Hypertension	38
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	21
Depression	24
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	40
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	9
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

doctor visit	13

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

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

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2021

Hypertension	43
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	50
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2022 were minimally invasive procedures.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

doctor visit	99
minimally invasive procedures	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	33
Female	58

**Age**
From 65 to 74	54
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2022

Hypertension	48
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	18
Depression	14
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	42
Atrial Fibrilation	13
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2023 were minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

biological response modifier (BRM) therapy	19
chemotherapy	19
doctor visit	282
minimally invasive procedures	103

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	99
Female	190

**Ethnicity**
Non-Hispanic White	251
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	109
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip J. Mease, MD in 2023

Hypertension	62
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	14
Asthma	7
Osteoperosis	43
Atrial Fibrilation	17
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	14
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA during 2024 were chemotherapy, biological response modifier (BRM) therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

biological response modifier (BRM) therapy	19
chemotherapy	19
doctor visit	34
minimally invasive procedures	19

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	22
Female	43

**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. Philip J. Mease, MD in 2024

Hypertension	71
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	23
Depression	25
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	38
Atrial Fibrilation	20
Heart Failure	22
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Philip J. Mease, MD for Medicare patients.

The highest averages for the top procedures that Dr. Philip J. Mease, MD treated as a rheumatologist in Seattle, WA were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

aspiration	45
biological response modifier (BRM) therapy	46
blood draw	41
chemotherapy	46
doctor visit	255
injections	45
minimally invasive procedures	111
preventive care	21
vaccines	21

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Philip J. Mease, MD.

**Gender**
Male	51
Female	122

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	141
Hispanic	0
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	45
85 and over	5
Less than 65	12
65 to 74	93

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

The highest averages of the most common conditions of Medicare patients that Dr. Philip J. Mease, MD treated were hypertension, high cholesterol, osteoperosis and depression.

Hypertension	41
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	17
Depression	18
Chronic Kidney Disease	12
Asthma	4
Osteoporosis	31
Heart Failure	6
Chronic Obstructive Pulmonary Disease	3
Diabetes	10
Atrial Fibrillation	7
Cancer	8
Dementia	0

Education & Training

He completed residency at University of Washington Affiliated Hospitals. He is certified by the American Board of Internal Medicine, Internal Medicine and has a state license in Washington.

Residency: University of Washington Affiliated Hospitals (1980)

Board Certification: American Board of Internal Medicine, Internal Medicine

Licensed In: Washington

Affiliations & Hospitals

Dr. Philip J. Mease, MD is associated with these hospitals and organizations:

Swedish Medical Center

Providence

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. Philip J. Mease, MD appears to accept the following insurance providers: Medicare and Health Net Federal Services Champus.

Insurance Accepted by Provider includes:

According to our sources, Dr. Philip J. Mease, MD accepts the following insurance providers:

Medicare

Health Net Federal Services Champus

Ratings & Reviews

Dr. Philip J. Mease, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Philip J. Mease, MD from all over the web to help you find the right in Seattle, WA.

Overall Rating

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General Payments

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

**Payments by Company**
Pfizer Inc.	$488,227 XELJANZ $437,940	Enbrel $16,109	CELEBREX $7,529	XYNTHA $1,051	LYRICA $389	Other $25,209
Lilly USA, LLC	$360,016 TALTZ $247,425	OLUMIANT $9,817	FORTEO $224	$102,550
Novartis Pharmaceuticals Corporation	$349,201 COSENTYX $308,057	Ilaris $6,924	NON BRAND $6,000	Diovan $1,406	$26,814
Amgen Inc.	$337,701 Enbrel $169,087	Otezla $95,452	Prolia $647	Tavneos $71	EVENITY $45	Other $72,399
AbbVie, Inc.	$317,147 Humira $238,378	Lupron $21,000	Rinvoq $31	$57,738
Other	$1,767,036 Otezla $150,311	Tremfya $147,877	Rinvoq $125,418	Cimzia $107,474	TALTZ $100,275	Other $1,135,682

**Types of Payments**
Consulting Fee	$1,757,686
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$1,376,589
Travel and Lodging	$347,981
Food and Beverage	$73,309
Honoraria	$41,025
Other	$22,738

Research Payments

Dr. Philip J. Mease, MD has received 1156 research payments totaling $9,834,479.

Biography

Dr. Philip Mease is a physician who specializes in adult rheumatology. Dr. Mease is professionally affiliated with Providence, Swedish Cherry Hill Campus, and Swedish First Hill Campus. He studied medicine at Stanford University School of Medicine. His residency was performed at a hospital affiliated with the University of Washington. He seems to honor Medicare insurance. According to Swedish Medical Center, new patients are welcome to contact his office in Seattle, WA.