Eric Marcus Orenstein, M.D.
NPI 1174524839ActiveIndividual· Orthopaedic Surgery· Lafayette, IN
Orthopaedic Surgery (M.D.) in Lafayette, Indiana, trained at University of Maryland School of Medicine (class of 1980). 240 Medicare patients in 2024, $81,161 paid; nearly all of their 145 Part D prescriptions were generic (99%). Zimmer Biomet Holdings, Inc. was the largest of 3 companies reporting payments in 2025, $4,396 in all, mostly travel and lodging.
Overview
| NPI | 1174524839 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 3, 2005 |
| Last updated in NPPES | Feb 3, 2021 |
| Certified by provider | Feb 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 01062952A | IN |
| Orthopaedic Surgery | 207X00000X | EO073282 | MI |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 240 |
|---|---|
| Services billed | 2,302 across 53 procedure codes |
| Paid by Medicare | $81,161 |
Part D prescriptions in 2024
| Prescriptions (claims) | 145 · 154 30-day fills |
|---|---|
| Patients | 100 |
| Total drug cost | $1,494 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
- Arnett Clinic LLCLafayette, IN · 390 clinicians
Hospital affiliations
- Indiana University Health Arnett HospitalLafayette, IN
- Indiana University Health White Memorial HospitalMonticello, IN
Industry payments (Open Payments)
- 2025$4,396 · 25 payments from 3 companies
- 2024$350.53 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $4,253 | 23 |
| Medical Device Business Services, Inc. | $80.47 | 1 |
| Heron Therapeutics, Inc. | $62.45 | 1 |
What the 2025 payments were for
- Travel and Lodging$2,644 · 8 payments
- Food and Beverage$1,684 · 16 payments
- Education$67.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery providers in Lafayette
- 1003615782
- 1225737950
- 1316210487
- 1639120918
- 1750555975
- 1447229430
- 1912127622
- 1659627149
- 1750332847
- 1073582573
- 1508285388
- 1477886653