Timothy A. Winchester, MD
NPI 1912906611ActiveIndividual· Internal Medicine· Lexington, KY
Internal Medicine (MD) in Lexington, Kentucky, trained at University of Kentucky College of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $1,093,331 for 13,269 claims, against $100,607 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 2 companies reporting payments in 2025, $33.11 in all, mostly food and beverage.
Overview
| NPI | 1912906611 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 15, 2005 |
| Last updated in NPPES | Dec 16, 2020 |
| Certified by provider | Dec 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 24034 | KY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 391 |
|---|---|
| Services billed | 1,772 across 40 procedure codes |
| Paid by Medicare | $100,607 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,269 · 29,091 30-day fills |
|---|---|
| Patients | 1,081 |
| Total drug cost | $1,093,331 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Baptist Health Medical Group IncMadison, IN · 2,472 clinicians
- Kentucky Orthopedic Rehabilitation LLCRichmond, KY · 68 clinicians
Hospital affiliations
- Baptist Health LexingtonLexington, KY
- Baptist Health RichmondRichmond, KY
- Saint Joseph EastLexington, KY
- University of Kentucky HospitalLexington, KY
Other facilities
- Baptist Health Home Care Ky, LLC DBA Baptist Home Health CareHome health agency · Lexington, KY
- CaretendersHome health agency · Lexington, KY
Industry payments (Open Payments)
- 2025$33.11 · 2 payments from 2 companies
- 2024$66.57 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $17.86 | 1 |
| Phathom Pharmaceuticals, Inc. | $15.25 | 1 |
What the 2025 payments were for
- Food and Beverage$33.11 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 322 internal medicine physicians in Lexington · All internal medicine physicians in Kentucky