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Internal Medicine

Alan Nazarian, MD

Works at hospitals in Tarzana, CA · Mission Hills, CA · California

Summary

Alan Nazarian, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Tarzana, CA and Mission Hills, CA. NPI 1831126739. 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 Alan Nazarian, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
George Washington University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Alan Nazarian work at?
Medicare's official clinician data lists Alan Nazarian at 2 hospitals: Providence Cedars Sinai Tarzana Medical Center and Providence Holy Cross Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alan Nazarian see patients?
Medicare's clinician data lists 1 practice location in Encino, CA. Call before your visit to confirm the address.
What is Alan Nazarian's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
Does Alan Nazarian accept Medicare assignment?
Yes. Medicare's clinician data says Alan Nazarian 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 Alan Nazarian?
(818) 532-8120, as listed in official Medicare / NPI Registry data.
What is Alan Nazarian's NPI number?
1831126739. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alan Nazarian works

Medicare's Facility Affiliation Data lists Alan Nazarian 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 Alan Nazarian is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Encino

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

All internal medicine doctors in Encino →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831126739
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