Michael C. Walls, MD
NPI 1497877526ActiveIndividual· Internal Medicine, Cardiovascular Disease· Indianapolis, IN
Internal Medicine, Cardiovascular Disease (MD) in Indianapolis, Indiana, trained at Saint Louis University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $1,687,978 for 7,021 claims, against $112,484 paid for services in 2024. Boston Scientific Corporation reported $115.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1497877526 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2007 |
| Last updated in NPPES | May 20, 2022 |
| Certified by provider | May 20, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 01069333A | 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 - Cardiovascular Disease (Cardiology) (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,255 |
|---|---|
| Services billed | 2,227 across 56 procedure codes |
| Paid by Medicare | $112,484 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,021 · 18,781 30-day fills |
|---|---|
| Patients | 837 |
| Total drug cost | $1,687,978 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine, Nuclear Medicine |
| Telehealth | Offers telehealth |
Medical groups
- St Vincent Medical Group IncCarmel, IN · 736 clinicians
- St Vincent Physician Services Hospital and Health Care CenterIndianapolis, IN · 275 clinicians
- Rush Memorial HospitalRushville, IN · 69 clinicians
Hospital affiliations
- Ascension St Vincent CarmelCarmel, IN
- Ascension St Vincent FishersFishers, IN
- Ascension St Vincent HospitalIndianapolis, IN
- Ascension St Vincent KokomoKokomo, IN
- St Vincent Heart CenterCarmel, IN
Industry payments (Open Payments)
- 2025$115.00 · 1 payment from 1 company
- 2024$15.41 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $115.00 | 1 |
What the 2025 payments were for
- Food and Beverage$115.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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