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Stephen Mattson, M.D.
NPI 1164407474 · Military Health Care Provider · Oak Harbor, WA
Stephen Mattson, M.D. is a Military Health Care Provider provider in Oak Harbor, WA (NPI 1164407474).
Provider details
- NPI number
- 1164407474
- Entity type
- Individual
- Primary specialty
- Military Health Care ProviderOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00042954 (WA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
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
3475 N Saratoga St
Oak Harbor, WA 98278-4927
Phone: (360) 257-9836
Street-level locationGet directions
Mailing address
3475 N Saratoga St
Oak Harbor, WA 98278-4927
Registry dates
- Enumerated
- 2005-12-08
- Last updated
- 2007-10-30
Frequently asked questions
- What is Stephen Mattson's NPI number?
- Stephen Mattson's National Provider Identifier (NPI) is 1164407474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Mattson's specialty?
- Stephen Mattson is listed in the NPPES registry with a primary specialty of Military Health Care Provider (Other Service Providers).
- Where is Stephen Mattson located?
- Stephen Mattson's practice location on file with NPPES is 3475 N Saratoga St, Oak Harbor, WA 98278-4927.
- What is Stephen Mattson's phone number?
- The practice phone number listed in the NPPES registry for Stephen Mattson is (360) 257-9836.
- Is Stephen Mattson's NPI active?
- Yes — Stephen Mattson's NPI (1164407474) is active in the NPPES registry as of the last update on 2007-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.