William Janik, CRNP
NPI 1497016166 · Adult Health Nurse Practitioner · Bethesda, MD
William Janik, CRNP is a Adult Health Nurse Practitioner provider in Bethesda, MD (NPI 1497016166).
Provider details
- NPI number
- 1497016166
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Male
- Sole proprietor
- No
- License
- R170988 (MD)
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
14 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
- 2012-05-30
- Last updated
- 2012-05-30
Frequently asked questions
- What is William Janik's NPI number?
- William Janik's National Provider Identifier (NPI) is 1497016166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Janik's specialty?
- William Janik is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Janik located?
- William Janik's practice location on file with NPPES is 8600 Old Georgetown Rd, Bethesda, MD 20814-1422.
- What is William Janik's phone number?
- The practice phone number listed in the NPPES registry for William Janik is (301) 896-2578.
- Is William Janik's NPI active?
- Yes — William Janik's NPI (1497016166) is active in the NPPES registry as of the last update on 2012-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.