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Radiation Oncology

Michael Girvigian, MD

Sees patients in Panorama City, CA · Anaheim, CA · Los Angeles, CA … · California

Summary

Michael Girvigian, MD (Radiation Oncology) is enrolled with Medicare at 8 practice locations in Panorama City, CA, Anaheim, CA and Los Angeles, CA and other places. NPI 1215008289. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Girvigian, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
Hahnemann University College Of MedicineMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Michael Girvigian see patients?
Medicare's clinician data lists 8 practice locations, including Panorama City, CA, Anaheim, CA and Los Angeles, CA. Call before your visit to confirm the address.
What is Michael Girvigian's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Michael Girvigian accept Medicare assignment?
Yes. Medicare's clinician data says Michael Girvigian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael Girvigian?
(818) 375-2000, as listed in official Medicare / NPI Registry data.
What is Michael Girvigian's NPI number?
1215008289. 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 Michael Girvigian is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Michael Girvigian as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Radiation Oncology doctors in California →

Other radiation oncologists in Panorama City

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

All radiation oncologists in Panorama City →

Clinician information

CredentialMD
Medical schoolHahnemann University College Of Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215008289
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 2026-10-02, retrieved 2026-10-29
  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