John Janisko, PA-C
NPI 1669243838 · Physician Assistant · Shelton, WA
John Janisko, PA-C is a Physician Assistant provider in Shelton, WA (NPI 1669243838).
Provider details
- NPI number
- 1669243838
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA70075840 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
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
- 2024-01-15
- Last updated
- 2026-04-14
- Certified
- 2026-04-14
Frequently asked questions
- What is John Janisko's NPI number?
- John Janisko's National Provider Identifier (NPI) is 1669243838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Janisko's specialty?
- John Janisko is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Janisko located?
- John Janisko's practice location on file with NPPES is 1701 N 13th St, Shelton, WA 98584-2077.
- What is John Janisko's phone number?
- The practice phone number listed in the NPPES registry for John Janisko is (360) 427-9549.
- Is John Janisko's NPI active?
- Yes — John Janisko's NPI (1669243838) is active in the NPPES registry as of the last update on 2026-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.