Natalie S. Opanasets, M.D.
NPI 1366615833ActiveIndividual· Family Medicine· Michigan City, IN
Family Medicine (M.D.) with University of Chicago and 1 other group, practicing in Michigan City, Indiana. 274 Medicare patients in 2024, $27,776 paid; nearly all of their 873 Part D prescriptions were generic (91%). Lists Franciscan Health Munster and 1 other hospital as hospital affiliations.
Overview
| NPI | 1366615833 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 7, 2008 |
| Last updated in NPPES | Mar 14, 2025 |
| Certified by provider | Mar 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036123887 | IL |
| Family Medicine | 207Q00000X | 01069068A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (IL); Practitioner - Family Practice (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 274 |
|---|---|
| Services billed | 772 across 63 procedure codes |
| Paid by Medicare | $27,776 |
Part D prescriptions in 2024
| Prescriptions (claims) | 873 · 876 30-day fills |
|---|---|
| Patients | 462 |
| Total drug cost | $12,127 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- University of ChicagoChicago, IL · 1,712 clinicians
- Franciscan Physician NetworkShelbyville, IN · 1,170 clinicians
Hospital affiliations
- Franciscan Health MunsterMunster, IN
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 family medicine physicians in Michigan City · All family medicine physicians in Indiana