John Gossom, MD
NPI 1245221886 · Geriatric Medicine (Family Medicine) Physician · Friday Harbor, WA
John Gossom, MD is a Geriatric Medicine (Family Medicine) Physician provider in Friday Harbor, WA (NPI 1245221886).
Provider details
- NPI number
- 1245221886
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00018422 (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
20 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
- 2005-11-02
- Last updated
- 2011-03-04
Frequently asked questions
- What is John Gossom's NPI number?
- John Gossom's National Provider Identifier (NPI) is 1245221886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gossom's specialty?
- John Gossom is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John Gossom located?
- John Gossom's practice location on file with NPPES is 689 Airport Center Dr, Friday Harbor, WA 98250.
- What is John Gossom's phone number?
- The practice phone number listed in the NPPES registry for John Gossom is (360) 378-1338.
- Is John Gossom's NPI active?
- Yes — John Gossom's NPI (1245221886) is active in the NPPES registry as of the last update on 2011-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.