Gregory Olson
NPI 1164125720 · Anatomic Pathology & Clinical Pathology Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Olson is a Anatomic Pathology & Clinical Pathology Physician provider in Seattle, WA (NPI 1164125720).
Provider details
- NPI number
- 1164125720
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- ML61425314 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-23
- Last updated
- 2023-04-13
- Certified
- 2023-04-13
Frequently asked questions
- What is Gregory Olson's NPI number?
- Gregory Olson's National Provider Identifier (NPI) is 1164125720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Olson's specialty?
- Gregory Olson is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Olson located?
- Gregory Olson's practice location on file with NPPES is 1959 Ne Pacific St, Seattle, WA 98195-0001.
- What is Gregory Olson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Olson is (206) 543-1140.
- Does Gregory Olson accept Medicare?
- Gregory Olson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Olson's NPI active?
- Yes — Gregory Olson's NPI (1164125720) is active in the NPPES registry as of the last update on 2023-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.