Michael E. Rau, M.D.
NPI 1467496216ActiveIndividual· Internal Medicine· Washington, MO
Internal Medicine (M.D.) in Washington, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $1,115,998 for 12,996 claims, against $51,164 paid for services in 2024. Glaxosmithkline, LLC. reported $16.82 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1467496216 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Jan 23, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 36513 | 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) | Enrolled Practitioner - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 176 |
|---|---|
| Services billed | 710 across 32 procedure codes |
| Paid by Medicare | $51,164 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,996 · 30,643 30-day fills |
|---|---|
| Patients | 778 |
| Total drug cost | $1,115,998 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Internal Medicine |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliation
- Mercy Hospital WashingtonWashington, MO
Other facilities
- Mercy HospiceHospice · Saint Louis, MO
Industry payments (Open Payments)
- 2025$16.82 · 1 payment from 1 company
- 2024$41.84 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $16.82 | 1 |
What the 2025 payments were for
- Food and Beverage$16.82 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Washington
- 1063036671
- 1376746743
- 1407820913
- 1437192481
- 1689610446
- 1700183142
- 1760596134
- 1922020064
- 1801822747
- 1891429536
- 1013003664
- 1194160127
All 25 internal medicine physicians in Washington · All internal medicine physicians in Missouri