Greg E. Halko, M.D.
NPI 1124114764ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Oklahoma City, OK
Orthopaedic Surgery, Hand Surgery (M.D.) in Oklahoma City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1999). 388 Medicare patients in 2024, $168,782 paid; all of their 297 Part D prescriptions were generic. Endo USA, Inc. was the largest of 2 companies reporting payments in 2024, $40.86 in all, mostly food and beverage.
Overview
| NPI | 1124114764 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Nov 17, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | 24394 | OK |
| Orthopaedic Surgery | 207X00000X | 24394 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 2,750 across 96 procedure codes |
| Paid by Medicare | $168,782 |
Part D prescriptions in 2024
| Prescriptions (claims) | 297 · 297 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $2,236 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Hand Surgery |
Medical group
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK · 649 clinicians
Hospital affiliation
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
Industry payments (Open Payments)
- 2024$40.86 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Endo USA, Inc. | $24.25 | 1 |
| Davol Inc. | $16.61 | 1 |
What the 2024 payments were for
- Food and Beverage$40.86 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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