Robert Steven Grittmann, DO
NPI 1689707291ActiveIndividual· Internal Medicine· Waterloo, IA
Internal Medicine (DO) in Waterloo, Iowa, licensed in IA, with an NPI issued in March 2007. Part D covered 153 prescriptions written in 2024, 92% of them generic.
Overview
| NPI | 1689707291 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Mar 13, 2007 |
| Last updated in NPPES | Jul 27, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2031 | IA |
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 (IA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 153 · 156 30-day fills |
|---|---|
| Total drug cost | $2,482 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Waterloo
- 1194251546
- 1225300304
- 1285251538
- 1346854940
- 1366050064
- 1467072967
- 1497161830
- 1497378640
- 1700349008
- 1750767786
- 1780115964
- 1871520080
All 41 internal medicine physicians in Waterloo · All internal medicine physicians in Iowa