Aaron Flegenheimer, MD

Hospitals where Aaron Flegenheimer works

Medicare's Facility Affiliation Data lists Aaron Flegenheimer 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.

• Banner Baywood Medical CenterMesa, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030088
• Banner Desert Medical CenterMesa, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030065
• Banner Ironwood Medical CenterQueen Creek, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030130

Practice locations

Addresses where Aaron Flegenheimer is enrolled with Medicare (CMS data updated October 2, 2026).

• 1400 S Dobson RdMesa, AZ 85202 (480) 412‑3000

Group practices

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

• Banner Hospital Based Physicians Arizona LLC637 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in Arizona →

Other hospitalists in Mesa

Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.

• Mohamad Omar Z. Diab, MD
• Mohammad R. Khan, DO
• Ragul Yuvaraj, MD
• Yasir Mohammed, MD
• Muhammad S. Khan, DO
• Esther N. Sebakijje, MD
• William Z. Manning, MD
• Waqas Qamar, MD

All hospitalists in Mesa →

Other clinicians in Banner Hospital Based Physicians Arizona LLC

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

• Neal Al-Attar, MD
• Mohammed T. Alhammouri, MD
• Dan Nguyen, DO
• Archana Sugumar, MD
• Joon S. Kim, DO
• Amelia A. Davis, MD

Clinician information

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