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

Internal Medicine

Aana R. Brenman, MD

Sees patients in San Francisco, CA · California

Summary

Dr. Aana R. Brenman, MD is an internal medicine doctor at 2238 Geary Blvd, San Francisco, CA 94115. Phone: (415) 833-2200. Accepts Medicare assignment. NPI 1639257280. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2238 Geary Blvd, San Francisco, CA 94115 · Directions
  • Phone: (415) 833‑2200
  • Medicare: Accepts Medicare assignment
  • Group practice: Permanente Medical Group Inc
  • Medical school: New York Medical College · graduated 1999 (27 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Aana R. Brenman, 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 Aana R. Brenman accept Medicare assignment?
Yes. Medicare's clinician data says Aana R. Brenman 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 Aana R. Brenman's NPI number?
1639257280. 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 Aana R. Brenman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Aana R. Brenman as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Francisco

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

All internal medicine doctors in San Francisco →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639257280
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