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

Aynsley Welsh Duncan, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1548623994

Aynsley Welsh Duncan, MD is an Internal Medicine in Seattle, Washington. Graduated from Js Weill Medical College, Cornell University in 2016, 10 years ago. Practices with The Association of University Physicians, a 3,459-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
10
Trained at
Js Weill Medical College, Cornell University
Licensed in
WA
In the registry since
2016
Specialties on file
2
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

325 9th Ave Box 359892
Seattle, WA 98104-2420
Phone: (206) 744-5865
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 60871370 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1548623994
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2016
Last updated in NPPESJune 25, 2019
Mailing address521 S Weller St Apt 163, Seattle, WA 98104-4402

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 2016 (10 years in practice)
Group practice The Association Of University Physicians — 3459 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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