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Osteopathic Manipulative Medicine

Arshia Shirzadi, DO

Sees patients in Mission Viejo, CA · California

Summary

Dr. Arshia Shirzadi, DO is an osteopathic manipulative medicine doctor at 23228 Madero, Mission Viejo, CA 92691. Phone: (949) 454-3940. Accepts Medicare assignment. NPI 1689786550. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Osteopathic manipulative medicine doctor (Medicare lists Osteopathic Manipulative Medicine)
  • Address: 23228 Madero, Mission Viejo, CA 92691 · Directions
  • Phone: (949) 454‑3940
  • Medicare: Accepts Medicare assignment
  • Group practice: County of Orange
  • Medical school: Kansas City University Of Physicians And Surgeons · graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Arshia Shirzadi, 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 Arshia Shirzadi accept Medicare assignment?
Yes. Medicare's clinician data says Arshia Shirzadi 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 Arshia Shirzadi's NPI number?
1689786550. 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 Arshia Shirzadi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • County of Orange50 clinicians in the group

Specialties

Find other Osteopathic Manipulative Medicine doctors in California →

Other osteopathic manipulative medicine doctors in California

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

All osteopathic manipulative medicine doctors in California →

Other clinicians in County of Orange

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

Clinician information

CredentialDO
Medical schoolKansas City University Of Physicians And Surgeons
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689786550
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