Wendy Zastawney, LCSW
NPI 1548461452 · Clinical Social Worker · Fremont, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Zastawney, LCSW is a Clinical Social Worker provider in Fremont, CA (NPI 1548461452).
Provider details
- NPI number
- 1548461452
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCS 18773 (CA)
Specialties & taxonomies
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
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
- 2007-05-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Wendy Zastawney's NPI number?
- Wendy Zastawney's National Provider Identifier (NPI) is 1548461452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Zastawney's specialty?
- Wendy Zastawney is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Wendy Zastawney located?
- Wendy Zastawney's practice location on file with NPPES is 39155 Liberty St Ste G710, Fremont, CA 94538-1525.
- What is Wendy Zastawney's phone number?
- The practice phone number listed in the NPPES registry for Wendy Zastawney is (510) 795-2434.
- Does Wendy Zastawney accept Medicare?
- Wendy Zastawney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Zastawney's NPI active?
- Yes — Wendy Zastawney's NPI (1548461452) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.