Gerard J. Mahoney, D.O.
NPI 1659385219ActiveIndividual· Family Medicine· Frankfort, MI
Family Medicine (D.O.) in Frankfort, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $821,452 for 10,540 claims, against $151,024 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $602.11 in all, mostly food and beverage.
Overview
| NPI | 1659385219 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Oct 11, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5101012168 | MI |
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 - Family Practice (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 688 |
|---|---|
| Services billed | 4,978 across 73 procedure codes |
| Paid by Medicare | $151,024 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,540 · 23,411 30-day fills |
|---|---|
| Patients | 732 |
| Total drug cost | $821,452 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Great Lakes Therapy Housecalls PCTraverse City, MI · 73 clinicians
- Crystal Lake Clinic PCManistee, MI · 15 clinicians
Hospital affiliations
- Munson Healthcare Manistee HospitalManistee, MI
- Munson Medical CenterTraverse City, MI
- Paul Oliver Memorial HospitalFrankfort, MI
Other facilities
- Munson Home CareHome health agency · Traverse City, MI
- Heartland Hospice (Grand Rapids)Hospice · Grand Rapids, MI
Industry payments (Open Payments)
- 2025$602.11 · 34 payments from 11 companies
- 2024$574.86 · 30 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $272.57 | 18 |
| Astellas Pharma US Inc | $66.11 | 3 |
| Astrazeneca Pharmaceuticals LP | $49.36 | 3 |
| Inspire Medical Systems, Inc. | $44.47 | 1 |
| Pfizer Inc. | $38.73 | 2 |
What the 2025 payments were for
- Food and Beverage$602.11 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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