Quick answers
- Which hospitals does William H. St Clair work at?
- Medicare's official clinician data lists William H. St Clair at 1 hospital: University of Kentucky Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William H. St Clair see patients?
- Medicare's clinician data lists 2 practice locations, including Lexington, KY. Call before your visit to confirm the address.
- What is William H. St Clair's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does William H. St Clair accept Medicare assignment?
- Yes. Medicare's clinician data says William H. St Clair 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 William H. St Clair?
- (859) 257-9800, as listed in official Medicare / NPI Registry data.
- What is William H. St Clair's NPI number?
- 1285652537. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William H. St Clair works
Medicare's Facility Affiliation Data lists William H. St Clair 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 William H. St Clair is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Greatstone PtLexington, KY 40504 (859) 257‑9800
- 2400 Greatstone PtLexington, KY 40504
Group practices
Medicare enrollment lists William H. St Clair as a member of this group (CMS data updated 2026-10-02).
- Kentucky Medical Services Foundation, Inc967 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Lexington
Clinicians with the same Medicare primary specialty in Lexington, KY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kentucky College Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285652537 |
| 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