Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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William Henry St Clair, MD

Individual provider Radiation Oncology Physician · NPI 1285652537

William Henry St Clair, MD is a Radiation Oncology in Lexington, Kentucky. Graduated from University of Kentucky College of Medicine in 1995, 31 years ago. Practices with Kentucky Medical Services Foundation, Inc, a 952-clinician group and accepts Medicare assignment. Licensed in Kentucky.

Years since qualifying
31
Trained at
University of Kentucky College of Medicine
Licensed in
KY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

800 Rose St
Lexington, KY 40536-0001
Phone: (859) 323-6486
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Therapeutic Radiology Physician (primary) Taxonomy 2085R0203X · Licence 35645 (KY)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 35645 (KY)

Record details

NPI number1285652537
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address138 Leader Ave, Lexington, KY 40508-3215

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF KENTUCKY COLLEGE OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Kentucky Medical Services Foundation, Inc — 952 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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