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Samuel J Santoro, DO

Obstetrics & Gynecology Physician in Castro Valley, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1013023795

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Registry record

Entity type Individual (Type 1)
Name Samuel J Santoro
Credential DO
Sex Male
Practice address 20101 Lake Chabot Rd Fl 4, Castro Valley, CA, 94546
Phone (510) 886-3400
Fax (510) 247-6493
Enumeration date Aug 22, 2006
Last updated in NPPES Sep 30, 2019

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 20A4883 (CA) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
020AX48830 Medicaid CA -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where does Samuel Santoro practice?
The practice location on file with NPPES is in Castro Valley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Samuel Santoro?
The National Provider Identifier (NPI) for Samuel Santoro is 1013023795, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-30.