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

Sergay Nicholas Agoff, MD

Individual provider Clinical Pathology Physician · NPI 1457468852

Sergay Nicholas Agoff, MD is a Pathology in Seattle, Washington. Graduated from Northwestern University Feinberg Medical School in 1996, 30 years ago. Practices with Virginia Mason Medical Center, a 867-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
30
Trained at
Northwestern University Feinberg Medical School
Licensed in
WA
In the registry since
2006
Specialties on file
5
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
Seattle, WA 98104-2420
Phone: (206) 520-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1550 N 115th St, Seattle, WA 98133-8401 — (206) 520-5000
  • 1959 Ne Pacific St, Seattle, WA 98195-0001 — (206) 520-5000

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence MD00037153 (WA)
Clinical Pathology Physician Taxonomy 207ZC0006X · Licence MD00037153 (WA)
Clinical Pathology/Laboratory Medicine Physician Taxonomy 207ZP0105X · Licence MD00037153 (WA)
Hospitalist Physician Taxonomy 208M00000X · Licence MD00037153 (WA)
Anatomic Pathology Physician Taxonomy 207ZP0101X · Licence MD00037153 (WA)

Record details

NPI number1457468852
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2006
Last updated in NPPESJanuary 5, 2026
Certification dateJanuary 5, 2026

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1996 (30 years in practice)
Group practice Virginia Mason Medical Center — 867 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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