Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Samuel J Santoro, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1013023795

Samuel J Santoro, DO is an Obstetrics & Gynecology Physician in Castro Valley, California. Works from 5 locations. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

20101 Lake Chabot Rd Fl 4
Castro Valley, CA 94546
Phone: (510) 886-3400
Fax: (510) 247-6493
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 19845 Lake Chabot Rd, Castro Valley, CA 94546-4055 — (510) 886-3400
  • 19845 Lake Chabot Rd, Castro Valley, CA 94546-4055 — (510) 886-3400
  • 770 Mason St, Vacaville, CA 95688-4646 — (707) 454-5830
  • 100 Hospital Dr Fl 2, Vallejo, CA 94589-2580 — (707) 551-3600

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 20A4883 (CA)

Record details

NPI number1013023795
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 22, 2006
Last updated in NPPESSeptember 30, 2019
Mailing address325 Distel Cir, Los Altos, CA 94022-1408

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