Quick answers
- Does Gary M. Friesen accept Medicare assignment?
- Yes. Medicare's clinician data says Gary M. Friesen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gary M. Friesen see?
- In 2024, CMS data shows 881 Original Medicare patients and 1,477 services for Gary M. Friesen. This counts Original Medicare only and measures volume, not quality.
- What is Gary M. Friesen's NPI number?
- 1730123183. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gary M. Friesen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 881 |
|---|---|
| Services billed to Medicare | 1,477 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)661 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)124 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)108 services
- Ultrasound of heart, follow-up (93308)103 services
- Nuclear medicine studies of heart muscle at rest and with stress and spect (78452)97 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease52%
- Arthritis49%
- Heart failure43%
- Atrial fibrillation42%
Hospitals where Gary M. Friesen works
Medicare's Facility Affiliation Data lists Gary M. Friesen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baraga County Memorial HospitalL' Anse, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231307
- Bell HospitalIshpeming, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231321
- OSF St Francis Hospital and Medical GroupEscanaba, MI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 231337
- Up Health System PortageHancock, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230108
- Uphs Marquette DLP HospitalMarquette, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230054
Practice locations
Addresses where Gary M. Friesen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1414 W Fair AveMarquette, MI 49855
- 18341 US Hwy 41Lanse, MI 49946 (906) 524‑3300
- 500 Campus DrHancock, MI 49930
- 500 Main St, Marquette General Hematology OncologyManistique, MI 49854 (906) 341‑2153
- 502 W Harrie StNewberry, MI 49868 (906) 293‑9248
Group practices
Medicare enrollment lists Gary M. Friesen as a member of this group (CMS data updated October 2, 2026).
- DLP Marquette Physician Practices Inc197 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Michigan →
Other cardiologists in Marquette
Clinicians with the same Medicare primary specialty in Marquette, MI — not a recommendation.
Other clinicians in DLP Marquette Physician Practices Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Alabama College Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730123183 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians