Benjamin Graf, LCSW
NPI 1255572392 · Clinical Social Worker · Castro Valley, CA
Benjamin Graf, LCSW is a Clinical Social Worker provider in Castro Valley, CA (NPI 1255572392).
Provider details
- NPI number
- 1255572392
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25770 (CA)
Specialties & taxonomies
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
17 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
- 2009-03-19
- Last updated
- 2015-01-19
Frequently asked questions
- What is Benjamin Graf's NPI number?
- Benjamin Graf's National Provider Identifier (NPI) is 1255572392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Graf's specialty?
- Benjamin Graf is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Benjamin Graf located?
- Benjamin Graf's practice location on file with NPPES is 21700 Redwood Rd, Castro Valley, CA 94546-6434.
- What is Benjamin Graf's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Graf is (510) 394-2150.
- Is Benjamin Graf's NPI active?
- Yes — Benjamin Graf's NPI (1255572392) is active in the NPPES registry as of the last update on 2015-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.