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Internal Medicine

Sheila R. Rezaei, DO

Works at hospitals in Walnut Creek, CA · California

Summary

Dr. Sheila R. Rezaei, DO is an internal medicine doctor at 200 Muir Rd, Martinez, CA 94553. Phone: (925) 372-1000. Accepts Medicare assignment. NPI 1699353078. 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: 200 Muir Rd, Martinez, CA 94553 · Directions
  • Phone: (925) 372‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Walnut Creek
  • Group practice: Permanente Medical Group Inc
  • Medical school: Liberty Univ College Of Osteopathic Medicine · graduated 2021 (5 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Sheila R. Rezaei, 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 Sheila R. Rezaei accept Medicare assignment?
Yes. Medicare's clinician data says Sheila R. Rezaei 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 Sheila R. Rezaei's NPI number?
1699353078. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sheila R. Rezaei works

Medicare's Facility Affiliation Data lists Sheila R. Rezaei 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 Sheila R. Rezaei is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sheila R. Rezaei 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 Martinez

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

All internal medicine doctors in Martinez →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialDO
Medical schoolLiberty Univ College Of Osteopathic Medicine
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1699353078
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