What is Jonathan Bloch's NPI number?

Jonathan Bloch's National Provider Identifier (NPI) is 1518472471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jonathan Bloch's specialty?

Jonathan Bloch is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Jonathan Bloch located?

Jonathan Bloch's practice location on file with NPPES is 777 Davis St, San Leandro, CA 94577-6923.

What is Jonathan Bloch's phone number?

The practice phone number listed in the NPPES registry for Jonathan Bloch is (510) 839-3800.

Is Jonathan Bloch's NPI active?

Yes — Jonathan Bloch's NPI (1518472471) is active in the NPPES registry as of the last update on 2025-08-05.

IndividualActive

Jonathan Bloch

NPI 1518472471 · Social Worker · San Leandro, CA

Jonathan Bloch is a Social Worker provider in San Leandro, CA (NPI 1518472471).

Provider details

NPI number: 1518472471
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: 110191 (CA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 110191 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(69/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
8 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

777 Davis St

San Leandro, CA 94577-6923

Phone: (510) 839-3800

Street-level locationGet directions

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Mailing address