Jeff Mosier, ASW, PPSC
NPI 1861243826 · School Social Worker · Castro Valley, CA
Jeff Mosier, ASW, PPSC is a School Social Worker provider in Castro Valley, CA (NPI 1861243826).
Provider details
- NPI number
- 1861243826
- Entity type
- Individual
- Primary specialty
- School Social WorkerBehavioral Health & Social Service Providers
- Credential
- ASW, PPSC
- Sex
- Male
- Sole proprietor
- Yes
- License
- ASW97774 (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
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 19600 Cull Canyon RdCastro Valley, CA 94552-3715Phone: (510) 538-8833
- 19400 Santa Maria AveCastro Valley, CA 94546-3400Phone: (510) 537-5910
- 19722 Center StCastro Valley, CA 94546-4704Phone: (510) 247-0665
Registry dates
- Enumerated
- 2024-03-28
- Last updated
- 2024-03-28
- Certified
- 2024-03-28
Frequently asked questions
- What is Jeff Mosier's NPI number?
- Jeff Mosier's National Provider Identifier (NPI) is 1861243826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeff Mosier's specialty?
- Jeff Mosier is listed in the NPPES registry with a primary specialty of School Social Worker (Behavioral Health & Social Service Providers).
- Where is Jeff Mosier located?
- Jeff Mosier's practice location on file with NPPES is 4400 Alma Ave, Castro Valley, CA 94546-3104.
- What is Jeff Mosier's phone number?
- The practice phone number listed in the NPPES registry for Jeff Mosier is (510) 766-0016.
- Is Jeff Mosier's NPI active?
- Yes — Jeff Mosier's NPI (1861243826) is active in the NPPES registry as of the last update on 2024-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.