Philip J. Mease, MD
Rheumatology Physician · Seattle, WA
Philip J. Mease, MD is a rheumatology physician with a practice address in Seattle, Washington, and NPI 1336218171, issued on Nov 7, 2006. Check the license (Washington MD00016710, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Philip J. Mease
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD00016710 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Madison St Ste 1000, Seattle, WA 98104
- Phone
- (206) 386-2001
- Enumerated
- Nov 7, 2006
- Record last updated
- Apr 1, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (206) 386-2083
- Medicaid ID
- 7107899 WA
- Medicare enrollment
- Enrolled (PECOS I20040616000669); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 200 in Washington → Look up another NPI →
Also registered at 1101 Madison St Ste 1000
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Furfaro, ARNPFamily Nurse Practitioner1699843565
Verify Philip J. Mease in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00016710Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average rheumatology physician in 2024
27 Medicare Part D claims for 11 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $203,556.85
270 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Seattle Rheumatology Associates PLLCSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip J. Mease among 200 rheumatology physician records in Washington
Philip J. Mease, MD is one of 200 rheumatology physician records with a practice address in Washington. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1977 · median 2005 among the 123 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Washington
There are 200 rheumatology physician records in Washington.
All 200 in Washington → Every provider in Seattle → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Alison Bays, MD, MPH&TMSeattle, WA 981041720303654
- Paul Brown, M.D.Seattle, WA 981041689749525
- Tal Gazitt, M.D., M.S.Seattle, WA 981041710203708
- Jennifer Gorman, MDSeattle, WA 981041417970443
- Janice Gupta, D.O.Seattle, WA 981041659445260
- Florence Hsu, MDSeattle, WA 981041932219953
- Anthony Krajcer, M.D.Seattle, WA 981041124215033
- Peter Mohai, MDSeattle, WA 981041831185966
Common questions
What is Philip J. Mease, MD's NPI number?
Philip J. Mease, MD's National Provider Identifier (NPI) is 1336218171, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Philip J. Mease, MD located?
The NPPES record lists a practice address at 1101 Madison St Ste 1000, Seattle, WA, 98104. Phone: (206) 386-2001. Providers update this record themselves, so call before visiting.
How can I verify Philip J. Mease, MD's license?
NPPES lists Washington license number MD00016710, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Philip J. Mease, MD prescribe under Medicare Part D?
In 2024, Philip J. Mease, MD had 27 Medicare Part D claims for 11 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.