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Family Practice

Rosalydia Tamayo, MD

Sees patients in Gilroy, CA · California

Summary

Dr. Rosalydia Tamayo, MD is a family doctor at 7520 Arroyo Cir, Gilroy, CA 95020. Phone: (408) 848-4600. Accepts Medicare assignment. NPI 1336498179. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 7520 Arroyo Cir, Gilroy, CA 95020 · Directions
  • Phone: (408) 848‑4600
  • Medicare: Accepts Medicare assignment
  • Group practice: Permanente Medical Group Inc
  • Medical school: University Of California, San Diego School Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rosalydia Tamayo, 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 Rosalydia Tamayo accept Medicare assignment?
Yes. Medicare's clinician data says Rosalydia Tamayo 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 Rosalydia Tamayo's NPI number?
1336498179. 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 Rosalydia Tamayo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rosalydia Tamayo as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Gilroy

Clinicians with the same Medicare primary specialty in Gilroy, CA — not a recommendation.

All family doctors in Gilroy →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336498179
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