Robert Thomas Bischoff, DO
NPI 1891106001ActiveIndividual· Internal Medicine, Gastroenterology· Grand Rapids, MI
Internal Medicine, Gastroenterology (DO) with Advantage Health/Saint Mary's Medical Group and 2 other groups, practicing in Grand Rapids, Michigan. Their prescriptions cost Medicare Part D more than their services did: $259,502 for 852 claims, against $55,688 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 2 companies reporting payments in 2025, $52.54 in all, mostly education. Lists McLaren Northern Michigan and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1891106001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 12, 2014 |
| Last updated in NPPES | Dec 10, 2024 |
| Certified by provider | Dec 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 5101021024 | MI |
| Internal Medicine | 207R00000X | 5101021024 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MI); Practitioner - Gastroenterology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 291 |
|---|---|
| Services billed | 584 across 43 procedure codes |
| Paid by Medicare | $55,688 |
Part D prescriptions in 2024
| Prescriptions (claims) | 852 · 1,132 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $259,502 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Advantage Health/Saint Mary's Medical GroupCaledonia, MI · 505 clinicians
- Mercy Health Partners - Physician SpecialistMuskegon, MI · 67 clinicians
- McLaren Northern MichiganPetoskey, MI · 62 clinicians
Hospital affiliations
- McLaren Northern MichiganPetoskey, MI
- Trinity Health Grand Haven HospitalGrand Haven, MI
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$52.54 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $29.69 | 2 |
| Micro-Tech Endoscopy USA, Inc. | $22.85 | 1 |
What the 2025 payments were for
- Education$29.69 · 2 payments
- Food and Beverage$22.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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