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Endocrinology

Leon Kujmanian, MD

Works at hospitals in Glendale, CA · Los Angeles, CA · California

Summary

Leon Kujmanian, MD (Endocrinology) is listed by Medicare at 4 hospitals in Glendale, CA and Los Angeles, CA. NPI 1194827782. 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 Leon Kujmanian, 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

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
MaleGender (as listed)
Adventist Health Physicians NetworkGroup practice

Quick answers

Which hospitals does Leon Kujmanian work at?
Medicare's official clinician data lists Leon Kujmanian at 4 hospitals: Glendale Adventist Medical Center, Glendale Memorial Hospital & Health Center, Hollywood Presbyterian Medical Center and USC Verdugo Hills Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Leon Kujmanian see patients?
Medicare's clinician data lists 3 practice locations, including Simi Valley, CA and Glendale, CA. Call before your visit to confirm the address.
What is Leon Kujmanian's specialty?
Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
Does Leon Kujmanian accept Medicare assignment?
Yes. Medicare's clinician data says Leon Kujmanian 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 Leon Kujmanian?
(818) 265-2242, as listed in official Medicare / NPI Registry data.
What is Leon Kujmanian's NPI number?
1194827782. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Leon Kujmanian works

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

Group practices

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

  • Adventist Health Physicians Network628 clinicians in the group

Specialties

Find other Endocrinology doctors in California →

Other endocrinologists in Simi Valley

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

All endocrinologists in Simi Valley →

Clinician information

CredentialMD
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194827782
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