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Anesthesiology

Magdalena Tesmer, DO

Works at hospitals in West Hills, CA · California

Summary

Magdalena Tesmer, DO (Anesthesiology) is listed by Medicare at 1 hospital in West Hills, CA. NPI 1275820375. 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 Magdalena Tesmer, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
FemaleGender (as listed)
West Hills Anesthesia and Perioperative PhysiciansGroup practice

Quick answers

Which hospitals does Magdalena Tesmer work at?
Medicare's official clinician data lists Magdalena Tesmer at 1 hospital: UCLA West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Magdalena Tesmer see patients?
Medicare's clinician data lists 1 practice location in West Hills, CA. Call before your visit to confirm the address.
What is Magdalena Tesmer's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Magdalena Tesmer accept Medicare assignment?
Yes. Medicare's clinician data says Magdalena Tesmer 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 Magdalena Tesmer?
(818) 676-4000, as listed in official Medicare / NPI Registry data.
What is Magdalena Tesmer's NPI number?
1275820375. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Magdalena Tesmer works

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

Group practices

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

  • West Hills Anesthesia and Perioperative Physicians20 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in West Hills

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

All anesthesiologists in West Hills →

Clinician information

CredentialDO
Graduation year2011
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275820375
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