Gary Merle Friesen, MD
NPI 1730123183ActiveIndividual· Internal Medicine, Cardiovascular Disease· Marquette, MI
Internal Medicine, Cardiovascular Disease (MD) in Marquette, Michigan, trained at University of South Alabama College of Medicine (class of 1989). 881 Medicare patients in 2024, $62,426 paid; nearly all of their 540 Part D prescriptions were generic (90%). Heartflow, Inc. reported $21.75 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1730123183 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Feb 5, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 4301069400 | 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 - Cardiovascular Disease (Cardiology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 881 |
|---|---|
| Services billed | 1,477 across 28 procedure codes |
| Paid by Medicare | $62,426 |
Part D prescriptions in 2024
| Prescriptions (claims) | 540 · 1,430 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $61,558 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of South Alabama College of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Dlp Marquette Physician Practices IncMarquette, MI · 197 clinicians
Hospital affiliations
- Baraga County Memorial HospitalL' Anse, MI
- Bell HospitalIshpeming, MI
- Osf St Francis Hospital and Medical GroupEscanaba, MI
- Up Health System PortageHancock, MI
- Uphs Marquette Dlp HospitalMarquette, MI
Industry payments (Open Payments)
- 2025$21.75 · 1 payment from 1 company
- 2024$162.53 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $21.75 | 1 |
What the 2025 payments were for
- Food and Beverage$21.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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