Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Brenda Pelayo, DO

Sees patients in Lancaster, CA · California

Summary

Dr. Brenda Pelayo, DO is an internal medicine doctor at 43322 Gingham Ave, Lancaster, CA 93535. Phone: (661) 579-9317. Accepts Medicare assignment. NPI 1255911053. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 43322 Gingham Ave, Lancaster, CA 93535 · Directions
  • Phone: (661) 579‑9317
  • Medicare: Accepts Medicare assignment
  • Group practice: Bartz-Altadonna Community Health Center
  • Medical school: graduated 2021 (5 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Brenda Pelayo, 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 Brenda Pelayo accept Medicare assignment?
Yes. Medicare's clinician data says Brenda Pelayo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Brenda Pelayo's NPI number?
1255911053. 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 Brenda Pelayo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brenda Pelayo as a member of this group (CMS data updated October 2, 2026).

  • Bartz-Altadonna Community Health Center20 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Lancaster

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

All internal medicine doctors in Lancaster →

Other clinicians in Bartz-Altadonna Community Health Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255911053
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