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Internal Medicine

Shambhavi Iyer, MD

Works at hospitals in Fremont, CA · California

Summary

Dr. Shambhavi Iyer, MD is an internal medicine doctor at 2500 Merced St, San Leandro, CA 94577. Phone: (510) 454-1000. Accepts Medicare assignment. NPI 1225113996. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2500 Merced St, San Leandro, CA 94577 · Directions (2 more locations)
  • Phone: (510) 454‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Fremont
  • Group practice: Permanente Medical Group Inc
  • Medical school: graduated 1987 (39 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shambhavi Iyer, 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 Shambhavi Iyer accept Medicare assignment?
Yes. Medicare's clinician data says Shambhavi Iyer 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 Shambhavi Iyer's NPI number?
1225113996. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Shambhavi Iyer works

Medicare's Facility Affiliation Data lists Shambhavi Iyer at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Shambhavi Iyer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Leandro

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

All internal medicine doctors in San Leandro →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225113996
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians