Quick answers
- Which hospitals does Brian A. O Leary work at?
- Medicare's official clinician data lists Brian A. O Leary at 4 hospitals: Eskenazi Health, Indiana University Health, Indiana University Health Bloomington Hospital and Johnson Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian A. O Leary see patients?
- Medicare's clinician data lists 7 practice locations, including Franklin, IN, Indianapolis, IN and Martinsville, IN. Call before your visit to confirm the address.
- What is Brian A. O Leary's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does Brian A. O Leary accept Medicare assignment?
- Yes. Medicare's clinician data says Brian A. O Leary 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 Brian A. O Leary?
- (317) 346-3858, as listed in official Medicare / NPI Registry data.
- What is Brian A. O Leary's NPI number?
- 1255523940. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian A. O Leary works
Medicare's Facility Affiliation Data lists Brian A. O Leary at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Eskenazi HealthIndianapolis, IN · Acute Care Hospital · CCN 150024
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · CCN 150056
- Indiana University Health Bloomington HospitalBloomington, IN · Acute Care Hospital · CCN 150051
- Johnson Memorial HospitalFranklin, IN · Acute Care Hospital · CCN 150001
Practice locations
Addresses where Brian A. O Leary is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1125 W Jefferson StFranklin, IN 46131 (317) 346‑3858
- 1701 N Senate Ave, Heart Station A1089Indianapolis, IN 46202 (317) 924‑8447
- 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
- 1701 N Senate Blvd, Hematology Oncology IU Methodist HospitalIndianapolis, IN 46202 (317) 962‑2000
- 1800 N Capitol Ave, Advance Heart Care IU MhIndianapolis, IN 46202 (317) 924‑5444
Group practices
Medicare enrollment lists Brian A. O Leary as a member of these groups (CMS data updated 2026-10-02).
- IU Health Medical Group LLC4,462 clinicians in the group
- The Health and Hospital Corporation of Marion County236 clinicians in the group
- Johnson Memorial Hospital39 clinicians in the group
- Indiana University Health Inc37 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255523940 |
| 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