IndividualActive
Joseph Mattern, M.D.
NPI 1023060423 · Family Medicine Physician · Port Townsend, WA
Provider details
- NPI number
- 1023060423
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00042614 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
915 Sheridan St
Suite B103
Port Townsend, WA 98368-2931
Phone: (360) 379-8031
Fax: (360) 385-0418
Street-level locationGet directions
Mailing address
915 Sheridan St
Port Townsend, WA 98368-2931
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2011-09-02
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.