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Hospitalist

Mary Ann A. Magallanes, MD

Sees patients in Los Angeles, CA · California

Summary

Dr. Mary Ann A. Magallanes, MD is a hospitalist at File Number, Suite 54701, Los Angeles, CA 90074. May accept Medicare assignment. NPI 1952006512. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Hospitalist
  • Address: File Number, Suite 54701, Los Angeles, CA 90074 · Directions
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Ann A. Magallanes, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mary Ann A. Magallanes accept Medicare assignment?
Medicare's clinician data says Mary Ann A. Magallanes may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Mary Ann A. Magallanes's NPI number?
1952006512. 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 Mary Ann A. Magallanes is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Los Angeles

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

All hospitalists in Los Angeles →

Clinician information

CredentialMD
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1952006512
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 October 2, 2026, retrieved October 29, 2026
  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