Quick answers
- Does William L. Oneill Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William L. Oneill Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William L. Oneill Jr. see?
- In 2024, CMS data shows 285 Original Medicare patients and 3,275 services for William L. Oneill Jr.. This counts Original Medicare only and measures volume, not quality.
- What is William L. Oneill Jr.'s NPI number?
- 1851385140. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William L. Oneill Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 285 |
|---|---|
| Services billed to Medicare | 3,275 |
| Different services or procedures | 57 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, collagenase, clostridium histolyticum, 0.01 mg (J0775)1,980 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)197 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)171 services
- X-ray of finger, minimum of 2 views (73140)104 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)101 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis71%
- Diabetes29%
- Anxiety28%
- Ischemic heart disease26%
Practice locations
Addresses where William L. Oneill Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Windsor PathGeorgetown, KY 40324 (859) 263‑5140
- 2835 S Hwy 27Somerset, KY 42501 (606) 302‑2831
- 2835 S Hwy 27, Suite 286bSomerset, KY 42501 (606) 302‑2831
- 3480 Yorkshire Medical ParkLexington, KY 40509 (859) 263‑5140
Group practices
Medicare enrollment lists William L. Oneill Jr. as a member of these groups (CMS data updated October 2, 2026).
- Bluegrass Orthopaedics PSC61 clinicians in the group
- Champion Physical Therapy Kentucky, LLC42 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Hand Surgeryalso
Other orthopedic surgeons in Kentucky
Clinicians with the same Medicare primary specialty in Kentucky — not a recommendation.
Other clinicians in Bluegrass Orthopaedics PSC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851385140 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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