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

John C Olson, MD

Individual provider Family Medicine Physician · NPI 1679512487

John C Olson, MD is an Addiction Medicine in Seattle, Washington. Graduated from Georgetown University School of Medicine in 1998, 28 years ago. Practices with Sound, a 50-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
28
Trained at
Georgetown University School of Medicine
Licensed in
WA
In the registry since
2006
Specialties on file
3
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

1600 E Olive St
Seattle, WA 98122-2735
Phone: (206) 901-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 200 S 2nd St, Renton, WA 98057-2011 — (425) 266-7039
  • 1629 N 45th St, Seattle, WA 98103-6701 — (206) 633-3350

Specialties & licences

Addiction Medicine (Family Medicine) Physician (primary) Taxonomy 207QA0401X · Licence MD00039345 (WA)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD00039345 (WA)
General Practice Physician Taxonomy 208D00000X · Licence MD00039345 (WA)

Record details

NPI number1679512487
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESFebruary 6, 2025
Certification dateFebruary 6, 2025

Medicare enrollment

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

Medicare specialtyADDICTION MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Sound — 50 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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