What is Joseph Onstott's NPI number?

Joseph Onstott's National Provider Identifier (NPI) is 1538045018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joseph Onstott's specialty?

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

Where is Joseph Onstott located?

Joseph Onstott's practice location on file with NPPES is 1382 Blue Oaks Blvd Ste 213, Roseville, CA 95678-7052.

What is Joseph Onstott's phone number?

The practice phone number listed in the NPPES registry for Joseph Onstott is (877) 412-8031.

Is Joseph Onstott's NPI active?

Yes — Joseph Onstott's NPI (1538045018) is active in the NPPES registry as of the last update on 2026-02-03.

IndividualActive

Joseph Onstott

NPI 1538045018 · Clinical Social Worker · Roseville, CA

Joseph Onstott is a Clinical Social Worker provider in Roseville, CA (NPI 1538045018).

Provider details

NPI number: 1538045018
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: 108265 (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 108265 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1382 Blue Oaks Blvd Ste 213

Roseville, CA 95678-7052

Phone: (877) 412-8031

Street-level locationGet directions

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Mailing address