Quick answers
- Which hospitals does Eric M. Orenstein work at?
- Medicare's official clinician data lists Eric M. Orenstein at 2 hospitals: Indiana University Health Arnett Hospital and Indiana University Health White Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric M. Orenstein see patients?
- Medicare's clinician data lists 2 practice locations, including Indianapolis, IN and Lafayette, IN. Call before your visit to confirm the address.
- What is Eric M. Orenstein's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Eric M. Orenstein accept Medicare assignment?
- Yes. Medicare's clinician data says Eric M. Orenstein accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Eric M. Orenstein?
- (888) 484-3258, as listed in official Medicare / NPI Registry data.
- What is Eric M. Orenstein's NPI number?
- 1174524839. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric M. Orenstein works
Medicare's Facility Affiliation Data lists Eric M. Orenstein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Indiana University Health Arnett HospitalLafayette, IN · Acute Care Hospital · CCN 150173
- Indiana University Health White Memorial HospitalMonticello, IN · Critical Access Hospital · CCN 151312
Practice locations
Addresses where Eric M. Orenstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
- 2600 Greenbush StLafayette, IN 47904 (765) 448‑8000
Group practices
Medicare enrollment lists Eric M. Orenstein as a member of these groups (CMS data updated 2026-10-02).
- IU Health Medical Group LLC4,462 clinicians in the group
- Arnett Clinic LLC390 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174524839 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians