What is John Colgan's NPI number?

John Colgan's National Provider Identifier (NPI) is 1205676889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Colgan's specialty?

John Colgan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is John Colgan located?

John Colgan's practice location on file with NPPES is Seattle Children'S Hospital, Seattle, WA 98105.

What is John Colgan's phone number?

The practice phone number listed in the NPPES registry for John Colgan is (206) 987-2000.

Does John Colgan accept Medicare?

John Colgan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is John Colgan's NPI active?

Yes — John Colgan's NPI (1205676889) is active in the NPPES registry as of the last update on 2024-10-22.

IndividualActiveAccepts Medicare

John Colgan, BMED, M.D.

NPI 1205676889 · Pediatrics Physician · Seattle, WA

Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

John Colgan, BMED, M.D. is a Pediatrics Physician provider in Seattle, WA (NPI 1205676889).

Provider details

NPI number: 1205676889
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: BMED, M.D.
Sex: Male
Sole proprietor: No
License: TR61556496 (WA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense TR61556496 (WA)
Allopathic & Osteopathic Physicians
Pediatric Hematology & Oncology Physician2080P0207XLicense TR61556496 (WA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(61/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

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

Seattle Children'S Hospital

4800 Sand Point Way Ne

Seattle, WA 98105

Phone: (206) 987-2000

Approximate (ZIP-level) locationGet directions

More WA providers

Mailing address

Po Box 50095

Seattle, WA 98145-5095

Additional practice locations (1)

825 Eastlake Ave E
Seattle, WA 98109-4405
Phone: (206) 520-5000

Enumerated: 2024-05-30
Last updated: 2024-10-22
Certified: 2024-10-22

Frequently asked questions

What is John Colgan's NPI number?: John Colgan's National Provider Identifier (NPI) is 1205676889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Colgan's specialty?: John Colgan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
Where is John Colgan located?: John Colgan's practice location on file with NPPES is Seattle Children'S Hospital, Seattle, WA 98105.
What is John Colgan's phone number?: The practice phone number listed in the NPPES registry for John Colgan is (206) 987-2000.
Does John Colgan accept Medicare?: John Colgan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is John Colgan's NPI active?: Yes — John Colgan's NPI (1205676889) is active in the NPPES registry as of the last update on 2024-10-22.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.