Michael P. Hahalyak, DO
NPI 1306889605ActiveIndividual· Family Medicine· Irwin, PA
Family Medicine (DO) in Irwin, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $805,852 for 9,646 claims, against $48,773 paid for services in 2024. Novo Nordisk Inc was the largest of 14 companies reporting payments in 2025, $1,423 in all, mostly food and beverage.
Overview
| NPI | 1306889605 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Jan 26, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OS004995L | PA |
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 - Family Practice (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 724 across 39 procedure codes |
| Paid by Medicare | $48,773 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,646 · 20,640 30-day fills |
|---|---|
| Patients | 825 |
| Total drug cost | $805,852 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Allegheny ClinicPittsburgh, PA · 2,389 clinicians
Hospital affiliations
- Excela Health Westmoreland Regional HospitalGreensburg, PA
- Forbes HospitalMonroeville, PA
- Magee Womens Hospital of Upmc Health SystemPittsburgh, PA
- Upmc EastMonroeville, PA
- West Penn HospitalPittsburgh, PA
Other facilities
- Allegheny Health Network Healthcare at Home Home HHome health agency · Warrendale, PA
- Excela Health Home Care & HospiceHome health agency · Greensburg, PA
Industry payments (Open Payments)
- 2025$1,423 · 79 payments from 14 companies
- 2024$1,538 · 88 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $332.23 | 15 |
| Astrazeneca Pharmaceuticals LP | $216.16 | 15 |
| Pfizer Inc. | $155.11 | 10 |
| Lilly USA, LLC | $132.48 | 7 |
| Amgen Inc. | $104.87 | 6 |
What the 2025 payments were for
- Food and Beverage$1,423 · 79 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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