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

Sean O Keenan, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1447519228

Sean O Keenan, MD is a Pathology in Seattle, Washington. Graduated from University of Colorado School of Medicine, Denver in 2012, 14 years ago. Practices with Cellnetix Pathology PLLC, a 58-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
14
Trained at
University of Colorado School of Medicine, Denver
Licensed in
WA
In the registry since
2012
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

1124 Columbia St Ste 200
Seattle, WA 98104
Phone: (206) 576-6050
Fax: (206) 215-5935
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1124 Columbia St Ste 200, Seattle, WA 98104 — (206) 576-6050

Specialties & licences

Molecular Genetic Pathology (Pathology) Physician (primary) Taxonomy 207ZP0007X · Licence MD60855729 (WA)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence MD60855729 (WA)

Record details

NPI number1447519228
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 14, 2012
Last updated in NPPESOctober 1, 2018

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 2012 (14 years in practice)
Group practice Cellnetix Pathology Pllc — 58 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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