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Critical Care (Intensivists)

Tigran Stepanyan, DO

Works at hospitals in Colton, CA · Fontana, CA · Los Angeles, CA … · California

Summary

Tigran Stepanyan, DO (Critical Care (Intensivists)) is listed by Medicare at 5 hospitals in Colton, CA, Fontana, CA and Los Angeles, CA and other places. NPI 1982906756. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Tigran Stepanyan, 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

Critical Care (Intensivists)Primary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice (+4 more)

Quick answers

Which hospitals does Tigran Stepanyan work at?
Medicare's official clinician data lists Tigran Stepanyan at 5 hospitals: Arrowhead Regional Medical Center, Kaiser Foundation Hospital Fontana/Ontario, PIH Health Good Samaritan Hospital, Providence Saint Joseph Medical Ctr and Riverside Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Tigran Stepanyan see patients?
Medicare's clinician data lists 6 practice locations, including Los Angeles, CA, La Mirada, CA and Colton, CA. Call before your visit to confirm the address.
What is Tigran Stepanyan's specialty?
Medicare lists Critical Care (Intensivists) as the primary specialty, and also Pulmonary Disease.
Does Tigran Stepanyan accept Medicare assignment?
Yes. Medicare's clinician data says Tigran Stepanyan 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 Tigran Stepanyan?
(213) 977-2121, as listed in official Medicare / NPI Registry data.
What is Tigran Stepanyan's NPI number?
1982906756. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Tigran Stepanyan works

Medicare's Facility Affiliation Data lists Tigran Stepanyan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Tigran Stepanyan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Tigran Stepanyan as a member of these groups (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group
  • PIH Health Physicians622 clinicians in the group
  • Quantum Healthcare Medical Associates Inc109 clinicians in the group
  • El-Bershawi Medical Corp49 clinicians in the group
  • Critical Care Consultants of Burbank Inc.9 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in California →

Other critical care doctors in Los Angeles

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

All critical care doctors in Los Angeles →

Clinician information

CredentialDO
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982906756
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians