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Obstetrics/Gynecology

Sonia R. Santana, DO

Sees patients in East Palo Alto, CA · California

Summary

Dr. Sonia R. Santana, DO is an OB-GYN at 1796 Bay Rd, Bldg 2, East Palo Alto, CA 94303. Phone: (650) 330-7400. Accepts Medicare assignment. NPI 1114909652. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1796 Bay Rd, Bldg 2, East Palo Alto, CA 94303 · Directions (2 more locations)
  • Phone: (650) 330‑7400
  • Medicare: Accepts Medicare assignment
  • Group practice: South County Community Health Center Inc
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 2001 (25 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sonia R. Santana, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sonia R. Santana accept Medicare assignment?
Yes. Medicare's clinician data says Sonia R. Santana accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Sonia R. Santana's NPI number?
1114909652. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sonia R. Santana is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1796 Bay Rd, Bldg 2East Palo Alto, CA 94303
  • 1798 A Bay RdEast Palo Alto, CA 94303
  • 1798 Bay Rd, Suite AEast Palo Alto, CA 94303 (650) 330‑7400

Group practices

Medicare enrollment lists Sonia R. Santana as a member of this group (CMS data updated October 2, 2026).

  • South County Community Health Center Inc20 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All OB-GYNs in California →

Other clinicians in South County Community Health Center Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114909652
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians