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Anesthesiology

Masood Memarzadeh, MD

Works at hospitals in Antioch, CA · California

Summary

Dr. Masood Memarzadeh, MD is an anesthesiologist at 1425 S Main St, Walnut Creek, CA 94596. Phone: (925) 295-4000. Accepts Medicare assignment. NPI 1326313578. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1425 S Main St, Walnut Creek, CA 94596 · Directions
  • Phone: (925) 295‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Antioch
  • Group practice: Permanente Medical Group Inc
  • Medical school: University Of California, Geffen School Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Masood Memarzadeh, 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 Masood Memarzadeh accept Medicare assignment?
Yes. Medicare's clinician data says Masood Memarzadeh 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 Masood Memarzadeh's NPI number?
1326313578. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Masood Memarzadeh works

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

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Walnut Creek

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

All anesthesiologists in Walnut Creek →

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, Geffen School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326313578
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