Keith Thomas Lonergan, MD
NPI 1104962703ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Greer, SC
Orthopaedic Surgery, Sports Medicine (MD) in Greer, South Carolina, trained at Pennsylvania State University College of Medicine (class of 1994). 327 Medicare patients in 2024, $135,236 paid; nearly all of their 319 Part D prescriptions were generic (99%). Peerless Surgical Inc. was the largest of 5 companies reporting payments in 2025, $1,131 in all, mostly food and beverage.
Overview
| NPI | 1104962703 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 30, 2007 |
| Last updated in NPPES | Nov 10, 2022 |
| Certified by provider | Nov 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Sports Medicine Primary | 207XX0005X | 30396 | SC |
| Orthopaedic Surgery | 207X00000X | 30396 | SC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 1,891 across 59 procedure codes |
| Paid by Medicare | $135,236 |
Part D prescriptions in 2024
| Prescriptions (claims) | 319 · 323 30-day fills |
|---|---|
| Patients | 161 |
| Total drug cost | $4,100 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Prisma Health University Medical GroupGreenville, SC · 2,493 clinicians
Hospital affiliations
- Prisma Health Patewood HospitalGreenville, SC
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Greer Memorial HospitalSpartanburg, SC
Other facilities
- Centerwell Home HealthHome health agency · Greenville, SC
- Interim Healthcare of the UpstateHome health agency · Greenville, SC
- Prisma Health Home Health-UpstateHome health agency · Greenville, SC
Industry payments (Open Payments)
- 2025$1,131 · 12 payments from 5 companies
- 2024$1,299 · 14 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Peerless Surgical Inc. | $739.30 | 8 |
| Anika Therapeutics, Inc. | $153.34 | 1 |
| Zimmer Biomet Holdings, Inc. | $133.55 | 1 |
| Orthofix Medical, Inc. | $84.19 | 1 |
| Baxter Healthcare | $20.65 | 1 |
What the 2025 payments were for
- Food and Beverage$1,131 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Sports Medicine providers in Greer
- 1427011485
All Orthopaedic Surgery, Sports Medicine providers in South Carolina →