Geoffrey Riches Grambau, M.D.
NPI 1144324633ActiveIndividual· Internal Medicine, Pulmonary Disease· Kalamazoo, MI
Internal Medicine, Pulmonary Disease (M.D.) in Kalamazoo, Michigan, licensed in MI, with an NPI issued in September 2006. Enrolled in Medicare as practitioner - pulmonary disease.
Overview
| NPI | 1144324633 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 12, 2006 |
| Last updated in NPPES | Nov 27, 2023 |
| Certified by provider | Oct 9, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | GG035172 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (MI) |
|---|
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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