Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Philip J Mease, MD

Individual provider Rheumatology Physician · NPI 1336218171

Philip J Mease, MD is a Rheumatology in Seattle, Washington. Graduated from Stanford University School of Medicine in 1977, 49 years ago. Practices with Seattle Rheumatology Associates PLLC, a 9-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
49
Trained at
Stanford University School of Medicine
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1101 Madison St Ste 1000
Seattle, WA 98104-3556
Phone: (206) 386-2001
Fax: (206) 386-2083
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence MD00016710 (WA)

Record details

NPI number1336218171
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 7, 2006
Last updated in NPPESApril 1, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Seattle Rheumatology Associates Pllc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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