Samuel Himelstein, PH.D.
NPI 1265749790 · Clinical Psychologist · Oakland, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Himelstein, PH.D. is a Clinical Psychologist provider in Oakland, CA (NPI 1265749790).
Provider details
- NPI number
- 1265749790
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY25229 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
15 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
- 2010-09-03
- Last updated
- 2019-07-13
Frequently asked questions
- What is Samuel Himelstein's NPI number?
- Samuel Himelstein's National Provider Identifier (NPI) is 1265749790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Himelstein's specialty?
- Samuel Himelstein is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Samuel Himelstein located?
- Samuel Himelstein's practice location on file with NPPES is 4400 Keller Ave Ste 200, Oakland, CA 94605-4229.
- What is Samuel Himelstein's phone number?
- The practice phone number listed in the NPPES registry for Samuel Himelstein is (510) 295-8977.
- Does Samuel Himelstein accept Medicare?
- Samuel Himelstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Himelstein's NPI active?
- Yes — Samuel Himelstein's NPI (1265749790) is active in the NPPES registry as of the last update on 2019-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.