Michael S. Schoenwalder, D.O.
NPI 1588631238ActiveIndividual· Internal Medicine· Ballwin, MO
Opted out of Medicare from September 2013 to September 2027. Internal Medicine (D.O.) in Ballwin, Missouri, licensed in MO, with an NPI issued in March 2006. Part D covered 4,481 prescriptions written in 2024, 82% of them generic. Abbvie Inc. reported $13.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1588631238 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 1, 2006 |
| Last updated in NPPES | May 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2003014482 | MO |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Sep 30, 2013 – Sep 30, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 4,481 · 8,366 30-day fills |
|---|---|
| Patients | 430 |
| Total drug cost | $503,993 |
| Generic share | 82% of claims |
Industry payments (Open Payments)
- 2025$13.55 · 1 payment from 1 company
- 2024$14.55 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $13.55 | 1 |
What the 2025 payments were for
- Food and Beverage$13.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 internal medicine physicians in Ballwin · All internal medicine physicians in Missouri