Tharun Karthikeyan, MD
NPI 1922200468ActiveIndividual· Orthopaedic Surgery· Lexington, KY
Orthopaedic Surgery (MD) in Lexington, Kentucky, trained at University of Pittsburgh School of Medicine (class of 2005). 441 Medicare patients in 2024, $304,572 paid; nearly all of their 2,050 Part D prescriptions were generic (96%). Zimmer Biomet Holdings, Inc. was the largest of 3 companies reporting payments in 2025, $4,047 in all, mostly travel and lodging.
Overview
| NPI | 1922200468 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2007 |
| Last updated in NPPES | Apr 21, 2025 |
| Certified by provider | Apr 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 45545 | KY |
| Orthopaedic Surgery | 207X00000X | MT186736 | PA |
| Orthopaedic Surgery | 207X00000X | 2011-00878 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 441 |
|---|---|
| Services billed | 2,173 across 36 procedure codes |
| Paid by Medicare | $304,572 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,050 · 2,167 30-day fills |
|---|---|
| Patients | 573 |
| Total drug cost | $16,840 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Sn Kentuckiana Rehab, LLCLouisville, KY · 346 clinicians
- New Lexington Clinic PSCLexington, KY · 332 clinicians
- Premier Therapy and Health Centers IncWheelersburg, OH · 258 clinicians
- H2 Rehabilitation Services of Kentucky, LLCLondon, KY · 182 clinicians
- Proactive Therapy, IncFrankfort, KY · 123 clinicians
Hospital affiliations
- Ephraim McDowell Regional Medical CenterDanville, KY
- Saint Joseph HospitalLexington, KY
Other facilities
- Commonspirit Health at Home - LexingtonHome health agency · Lexington, KY
- Lifeline Health Care of PulaskiHome health agency · Somerset, KY
- Personal Touch Home Care of Ky, Inc.Home health agency · Florence, KY
- Saint Joseph-Anc Home Care Services, LLC D/B/A Commonspirit at Home- LouisvilleHome health agency · Louisville, KY
- St. Claire Medical Center Home HealthHome health agency · Morehead, KY
Industry payments (Open Payments)
- 2025$4,047 · 17 payments from 3 companies
- 2024$3,643 · 18 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $3,778 | 15 |
| Stryker Corporation | $149.72 | 1 |
| Onkos Surgical, Inc. | $119.69 | 1 |
What the 2025 payments were for
- Travel and Lodging$2,336 · 6 payments
- Food and Beverage$1,523 · 10 payments
- Education$189.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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