Arnold Bloch, L.C.S.W.
NPI 1770606378 · Clinical Social Worker · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arnold Bloch, L.C.S.W. is a Clinical Social Worker provider in Los Angeles, CA (NPI 1770606378).
Provider details
- NPI number
- 1770606378
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.C.S.W.
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS13523 (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
2 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 (1)
- 5655 Lindero Canyon RdSuite 704Westlake Village, CA 91362-4016Phone: (805) 379-1970Fax: (805) 379-1970
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2022-11-22
- Certified
- 2022-11-17
Frequently asked questions
- What is Arnold Bloch's NPI number?
- Arnold Bloch's National Provider Identifier (NPI) is 1770606378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnold Bloch's specialty?
- Arnold Bloch is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Arnold Bloch located?
- Arnold Bloch's practice location on file with NPPES is 1937 Prosser Ave, Los Angeles, CA 90025-5928.
- What is Arnold Bloch's phone number?
- The practice phone number listed in the NPPES registry for Arnold Bloch is (805) 796-9540.
- Does Arnold Bloch accept Medicare?
- Arnold Bloch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arnold Bloch's NPI active?
- Yes — Arnold Bloch's NPI (1770606378) is active in the NPPES registry as of the last update on 2022-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.