Stephanie D. Marshall, DO
NPI 1124002738ActiveIndividual· Internal Medicine, Cardiovascular Disease· Merrillville, IN
Internal Medicine, Cardiovascular Disease (DO) with Aspirus Medical Group, Inc. and 2 other groups, practicing in Merrillville, Indiana. Their prescriptions cost Medicare Part D more than their services did: $711,092 for 4,999 claims, against $73,370 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 13 companies reporting payments in 2025, $521.72 in all, mostly food and beverage. Lists Community Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1124002738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Dec 6, 2005 |
| Last updated in NPPES | Sep 3, 2026 |
| Certified by provider | Sep 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 02001947A | IN |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 036-099475 | IL |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 02001947A | IN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 0102210376 | VA |
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 - Cardiovascular Disease (Cardiology) (IN); Practitioner - Cardiovascular Disease (Cardiology) (LA); Practitioner - Cardiovascular Disease (Cardiology) (MI); Practitioner - Cardiovascular Disease (Cardiology) (MS); Practitioner - Cardiovascular Disease (Cardiology) (PA); Practitioner - Cardiovascular Disease (Cardiology) (VA); Practitioner - Cardiovascular Disease (Cardiology) (VT); Practitioner - Cardiovascular Disease (Cardiology) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 436 |
|---|---|
| Services billed | 1,224 across 34 procedure codes |
| Paid by Medicare | $73,370 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,999 · 12,760 30-day fills |
|---|---|
| Patients | 385 |
| Total drug cost | $711,092 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Aspirus Medical Group, Inc.Wausau, WI · 268 clinicians
- Cardiovascular Institute of the South, LLCLafayette, LA · 146 clinicians
- McLaren Northern MichiganPetoskey, MI · 62 clinicians
Hospital affiliations
- Community HospitalMunster, IN
- Franciscan Health DyerDyer, IN
- McLaren Northern MichiganPetoskey, MI
- Methodist Hospitals IncGary, IN
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Industry payments (Open Payments)
- 2025$521.72 · 28 payments from 13 companies
- 2024$570.59 · 32 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $77.25 | 4 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $75.41 | 8 |
| Novo Nordisk Inc | $70.21 | 3 |
| Scpharmaceuticals Inc. | $56.10 | 2 |
| Alnylam Pharmaceuticals Inc. | $42.86 | 2 |
What the 2025 payments were for
- Food and Beverage$521.72 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other cardiologists in Merrillville
- 1013111475
- 1194724377
- 1386630325
- 1427346501
- 1689673683
- 1700872769
- 1740276682
- 1811987688
- 1316933443
- 1013982420
- 1235365123
- 1275859613
All 23 cardiologists in Merrillville · All cardiologists in Indiana