Quick answers
- Which hospitals does Timothy E. O'Leary work at?
- Medicare's official clinician data lists Timothy E. O'Leary at 2 hospitals: Highpoint Health-Sumner With Ascension Saint Thoma… and Tristar Hendersonville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy E. O'Leary see patients?
- Medicare's clinician data lists 3 practice locations, including Gallatin, TN and White House, TN. Call before your visit to confirm the address.
- What is Timothy E. O'Leary's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Timothy E. O'Leary accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy E. 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 Timothy E. O'Leary?
- (615) 672-7122, as listed in official Medicare / NPI Registry data.
- What is Timothy E. O'Leary's NPI number?
- 1285657726. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy E. O'Leary works
Medicare's Facility Affiliation Data lists Timothy E. O'Leary at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Highpoint Health-Sumner With Ascension Saint Thoma…Gallatin, TN · Acute Care Hospital · CCN 440003
- Tristar Hendersonville Medical CenterHendersonville, TN · Acute Care Hospital · CCN 440194
Practice locations
Addresses where Timothy E. O'Leary is enrolled with Medicare (CMS data updated 2026-10-02).
- 225 Big Station Camp BlvdGallatin, TN 37066
- 300 Steam Plant RdGallatin, TN 37066
- 491 Sage Rd N, Suite 200White House, TN 37188 (615) 672‑7122
Group practices
Medicare enrollment lists Timothy E. O'Leary as a member of these groups (CMS data updated 2026-10-02).
- Sumner Physician Practices LLC60 clinicians in the group
- Crossroads Medical Group, PLLC55 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Gallatin
Clinicians with the same Medicare primary specialty in Gallatin, TN — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | University Of South Alabama College Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285657726 |
| 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