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

Margaret Evelyn Duffy, PA-C

Individual provider Physician Assistant · NPI 1154366391

Margaret Evelyn Duffy, PA-C is a Physician Assistant in Seattle, Washington. Qualified in 1998, 28 years ago. Practices with The Polyclinic PLLC, a 366-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
28
Licensed in
WA
In the registry since
2006
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

904 7th Ave
Seattle, WA 98104-1132
Phone: (206) 860-4545
Fax: (206) 860-2369
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA10003777 (WA)

Record details

NPI number1154366391
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJune 19, 2006
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice The Polyclinic Pllc — 366 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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