Gregory Dean Haselhuhn, M.D.
NPI 1538145560ActiveIndividual· Specialist· Toledo, OH
Specialist (M.D.) in Toledo, Ohio, trained at University of Michigan Medical School (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $518,264 for 4,619 claims, against $214,728 paid for services in 2024. Boston Scientific Corporation reported $17.88 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1538145560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 21, 2005 |
| Last updated in NPPES | Jan 5, 2022 |
| Certified by provider | Jan 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 35068258 | OH |
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 - Urology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 776 |
|---|---|
| Services billed | 3,564 across 74 procedure codes |
| Paid by Medicare | $214,728 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,619 · 8,610 30-day fills |
|---|---|
| Patients | 972 |
| Total drug cost | $518,264 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Urology |
Medical group
- Mercy Health Physicians North Specialty Care LLCMaumee, OH · 355 clinicians
Hospital affiliations
- Bay Park Community HospitalOregon, OH
- Mercy St Vincent Medical CenterToledo, OH
- Promedica Charles and Virginia Hickman HospitalAdrian, MI
- Promedica Toledo HospitalToledo, OH
- University of Toledo Medical CenterToledo, OH
Other facilities
- Ohioans Home Healthcare, IncHome health agency · Perrysburg, OH
Industry payments (Open Payments)
- 2025$17.88 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $17.88 | 1 |
What the 2025 payments were for
- Food and Beverage$17.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 Specialist providers in Toledo · All Specialist providers in Ohio