Doctor Profile

Cancer Care · Radiation Oncology

William H. St Clair

MD · Radiation Oncology · University Of Kentucky College Of Medicine
100 GREATSTONE PT
Lexington, KY 40504
✓ Accepts Medicare 🎓 31+ Years Practicing
670
Medicare Patients / yr
18
Procedures Billed
31
Years Practicing
2
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or William H. St Clair's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. St Clair

See which plans Dr. St Clair accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Kentucky, the fastest way to find a Medicare plan that covers Dr. St Clair is to compare every Medicare Advantage and Part D plan available near 40504, KY — the Radiation Oncology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 40504, KY →

Or call the office at (859) 257-9800 to confirm acceptance directly.

What Dr. St Clair Does

Dr. St Clair served 670 Medicare patients across 1,524 services in the latest CMS reporting year. That's 22% above the average Radiation Oncology in Kentucky (548 patients across 62 doctors).

ProcedureServicesMedicare Patients
Ct guidance for insertion of radiation therapy fields (77014)47951
Calculation of radiation therapy dose (77300)19563
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)13725
Radiation treatment management, 5 treatment sessions (77427)11743
Design and construction of complex radiation treatment device (77334)11147

How to read this: "Services" are the total times Dr. St Clair billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. St Clair is affiliated with 2 hospitals according to CMS Physician Compare. Below are the 2 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

University Of Kentucky Hospital

Lexington, KY
★★★★☆ 4/5 CMS Rating

Ephraim Mcdowell Regional Medical Center

Danville, KY
★★☆☆☆ 2/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. St Clair practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. St Clair offers telehealth — broadband availability at your home matters for virtual visits.

Address: 100 GREATSTONE PT, Lexington, KY 40504
Phone: (859) 257-9800

Area Safety Grade

D+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

24 min

Average commute time in this zip · 88% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

91.8059

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Cancer Care Doctors near 40504, KY

If Dr. St Clair isn't accepting new patients or isn't in your plan's network, these are the closest cancer care doctors near 40504, KY:

DoctorSpecialtyMedicare Patients / yrDistance
Jessica CroleyHematology/Oncology407<1 mi
Brian A. WilliamsRadiation Oncology400<1 mi
Jacqueline R. MatarRadiation Oncology<1 mi
Mohamed F. AlsharediHematology/Oncology3621.0 mi
Aradhana KaushalRadiation Oncology1291.1 mi
William D. CampHematology/Oncology4071.1 mi

View all cancer care doctors near 40504, KY →

How to Use This Information

Choosing a Medicare plan that covers Dr. St Clair takes three steps:

Compare Medicare Plans near 40504, KY → All Doctors near 40504, KY

William H. St Clair: Common Questions

Does Dr. St Clair accept Medicare?
Yes. Dr. St Clair is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. St Clair depends on that plan's provider network. Compare Medicare plans near 40504, KY →
Where is Dr. St Clair's office?
Dr. St Clair practices at 100 GREATSTONE PT, Lexington, KY 40504. Phone: (859) 257-9800.
What Medicare plans does Dr. St Clair accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (859) 257-9800 to confirm your specific plan is accepted, or compare all Medicare plans near 40504, KY to see available options.
Does Dr. St Clair offer telehealth visits?
CMS does not currently list Dr. St Clair as offering telehealth. Call the office at (859) 257-9800 to confirm whether virtual visits are available.
How experienced is Dr. St Clair?
Dr. St Clair graduated in 1995 and has been practicing for approximately 31 years. In the latest CMS reporting year, Dr. St Clair treated 670 Medicare patients across 18 distinct procedure types.
How do I know if Dr. St Clair is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (859) 257-9800 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Cancer Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 40504, KY:

Does your Medicare plan cover Dr. St Clair?

Compare Plans near 40504, KY →