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Rheumatology

Gretel D. D'Souza, MD

Sees patients in Glendale, CA · Burbank, CA · California

Summary

Dr. Gretel D. D'Souza, MD is a rheumatologist at 1500 S Central Ave, Suite 200, Glendale, CA 91204. Phone: (818) 291-4010. Accepts Medicare assignment. NPI 1679138531. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Rheumatologist (Medicare lists Rheumatology)
  • Address: 1500 S Central Ave, Suite 200, Glendale, CA 91204 · Directions (1 more location)
  • Phone: (818) 291‑4010
  • Medicare: Accepts Medicare assignment
  • Group practice: Lakeside Medical Organization a Medical Group Inc
  • Medical school: graduated 2018 (8 years since medical school)
  • Gender (as listed): Female
Call(818) 291‑4010 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Gretel D. D'Souza, 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 Gretel D. D'Souza accept Medicare assignment?
Yes. Medicare's clinician data says Gretel D. D'Souza 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 Gretel D. D'Souza's NPI number?
1679138531. 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 Gretel D. D'Souza is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gretel D. D'Souza as a member of this group (CMS data updated October 2, 2026).

  • Lakeside Medical Organization a Medical Group Inc64 clinicians in the group

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in Glendale

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

All rheumatologists in Glendale →

Other clinicians in Lakeside Medical Organization a Medical Group Inc

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

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679138531
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