Margaret Evelyn Duffy, P.A. - C
Physician Assistant · Seattle, WA
Margaret Evelyn Duffy, P.A. - C is a physician assistant with a practice address in Seattle, Washington, and NPI 1154366391, issued on Jun 19, 2006. Check the license (Washington PA10003777, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Evelyn Duffy
- Credential
- P.A. - C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA10003777 WA
Self-reported in NPPES; status is on the state search - Practice location
- 904 7TH Ave, Seattle, WA 98104
- Phone
- (206) 860-4545
- Enumerated
- Jun 19, 2006
- Record last updated
- Jul 27, 2026
- Fax
- (206) 860-2369
- Medicaid ID
- 8354243 WA
- Medicare enrollment
- Enrolled (PECOS I20070420000422); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 904 7TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kim Abson, MDDermatology Physician1215902135
- Kriti Agarwal, MDInternal Medicine Physician1629537881
- Patricia Agudelo Suarez, MDObstetrics & Gynecology Physician1821139445
- Peter Albro, MDCardiovascular Disease Physician1598730350
- Hiba AmbreenInternal Medicine Physician1750027942
- Linda Anderson, M.D.Pulmonary Disease Physician1053317222
Verify Margaret Evelyn Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10003777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Polyclinic PLLCSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
828 physician assistant records list a practice address in Seattle
They are 828 of the 41,956 NPPES records with a practice address in Seattle, and 3,718 physician assistant records in Washington.
All 828 in Seattle → All 3,718 in Washington → Every provider in Seattle →
Other physician assistant records in Washington
- Eric Abarr, PA-CMarysville, WA1598655292
- Ahmed Abdelshafy, PA-CCheney, WA1457029795
- Sihaam AbdiShoreline, WA1801758289
- Nicole Abdullah, PAWenatchee, WA1285032268
- Kimberly Abella-Cree, PA-CYakima, WA1548514292
- Buddhika AbeyratneOak Harbor, WA1104369560
- Danielle Abrass, PA-CSeattle, WA1184140717
- Abraham Abu, PA-CSeattle, WA1710036587
- Alvin AbuegEverett, WA1396132015
- Aaron Adam, PA-CVancouver, WA1447543459
Common questions
What is Margaret Evelyn Duffy, P.A. - C's NPI number?
Margaret Evelyn Duffy, P.A. - C's National Provider Identifier (NPI) is 1154366391, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Evelyn Duffy, P.A. - C located?
The NPPES record lists a practice address at 904 7TH Ave, Seattle, WA, 98104. Phone: (206) 860-4545. Providers update this record themselves, so call before visiting.
How can I verify Margaret Evelyn Duffy, P.A. - C's license?
NPPES lists Washington license number PA10003777, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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.