Quick answers
- Which hospitals does Aaron R. Brenner work at?
- Medicare's official clinician data lists Aaron R. Brenner at 1 hospital: University of Kentucky Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron R. Brenner see patients?
- Medicare's clinician data lists 1 practice location in Lexington, KY. Call before your visit to confirm the address.
- What is Aaron R. Brenner's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Aaron R. Brenner accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron R. Brenner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Aaron R. Brenner?
- (859) 257-8562, as listed in official Medicare / NPI Registry data.
- What is Aaron R. Brenner's NPI number?
- 1780211268. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron R. Brenner works
Medicare's Facility Affiliation Data lists Aaron R. Brenner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Kentucky HospitalLexington, KY · Acute Care Hospital · CCN 180067
Practice locations
Addresses where Aaron R. Brenner is enrolled with Medicare (CMS data updated 2026-10-02).
- 740 S Limestone StLexington, KY 40508 (859) 257‑8562
Group practices
Medicare enrollment lists Aaron R. Brenner as a member of this group (CMS data updated 2026-10-02).
- Kentucky Medical Services Foundation, Inc967 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Lexington
Clinicians with the same Medicare primary specialty in Lexington, KY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780211268 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians