Matthew J. Nelsen, MD
NPI 1174500409ActiveIndividual· Internal Medicine· Indianapolis, IN
Internal Medicine (MD) in Indianapolis, Indiana, trained at Indiana University School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $672,518 for 7,284 claims, against $150,151 paid for services in 2024.
Overview
| NPI | 1174500409 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 28, 2005 |
| Last updated in NPPES | Jan 5, 2024 |
| Certified by provider | Jan 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01048610 | IN |
| Pediatrics | 208000000X | 01048610A | 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 - Internal Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 339 |
|---|---|
| Services billed | 2,808 across 45 procedure codes |
| Paid by Medicare | $150,151 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,284 · 17,223 30-day fills |
|---|---|
| Patients | 527 |
| Total drug cost | $672,518 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- St Vincent Medical Group IncCarmel, IN · 736 clinicians
Hospital affiliations
- Ascension St Vincent CarmelCarmel, IN
- Ascension St Vincent FishersFishers, IN
- Ascension St Vincent HospitalIndianapolis, IN
- Ascension St Vincent KokomoKokomo, IN
- Indiana University HealthIndianapolis, IN
Other facilities
- Ascension at HomeHome health agency · Indianapolis, IN
- Summit Home CareHome health agency · Indianapolis, IN
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 775 internal medicine physicians in Indianapolis · All internal medicine physicians in Indiana