Stephen Janik, LCSW
NPI 1639205453 · Clinical Social Worker · Berkeley, CA
Stephen Janik, LCSW is a Clinical Social Worker provider in Berkeley, CA (NPI 1639205453).
Provider details
- NPI number
- 1639205453
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-02-26
- Last updated
- 2022-09-08
- Certified
- 2022-09-08
Frequently asked questions
- What is Stephen Janik's NPI number?
- Stephen Janik's National Provider Identifier (NPI) is 1639205453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Janik's specialty?
- Stephen Janik is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Stephen Janik located?
- Stephen Janik's practice location on file with NPPES is 2640 Martin Luther King Jr Way, Berkeley, CA 94704-3238.
- What is Stephen Janik's phone number?
- The practice phone number listed in the NPPES registry for Stephen Janik is (510) 981-5290.
- Is Stephen Janik's NPI active?
- Yes — Stephen Janik's NPI (1639205453) is active in the NPPES registry as of the last update on 2022-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.