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Internal Medicine

Brandon J. Blau, MD

Works at hospitals in Philadelphia, PA · Pennsylvania

Summary

Dr. Brandon J. Blau, MD is an internal medicine doctor at 800 Walnut St 9th Floor, Penn Rheumatology Washington Square, Philadelphia, PA 19107. Phone: (215) 662-4333. Accepts Medicare assignment. NPI 1770002024. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 800 Walnut St 9th Floor, Penn Rheumatology Washington Square, Philadelphia, PA 19107 · Directions
  • Phone: (215) 662‑4333
  • Medicare: Accepts Medicare assignment
  • Hospital: Pennsylvania Hospital
  • Group practice: University of Penn - Medical Group
  • Medical school: graduated 2019 (7 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Brandon J. Blau, 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 Brandon J. Blau accept Medicare assignment?
Yes. Medicare's clinician data says Brandon J. Blau 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 Brandon J. Blau's NPI number?
1770002024. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brandon J. Blau works

Medicare's Facility Affiliation Data lists Brandon J. Blau at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Brandon J. Blau is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brandon J. Blau as a member of this group (CMS data updated October 2, 2026).

  • University of Penn - Medical Group3,505 clinicians in the group

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All internal medicine doctors in Philadelphia →

Other clinicians in University of Penn - Medical Group

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

Clinician information

CredentialMD
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770002024
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians