Quick answers
- Does Marc O. Gosselin accept Medicare assignment?
- Yes. Medicare's clinician data says Marc O. Gosselin 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 Marc O. Gosselin see?
- In 2024, CMS data shows 998 Original Medicare patients and 2,723 services for Marc O. Gosselin. This counts Original Medicare only and measures volume, not quality.
- What is Marc O. Gosselin's NPI number?
- 1508814989. 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 Marc O. Gosselin, 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 | 998 |
|---|---|
| Services billed to Medicare | 2,723 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)719 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)397 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)393 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)338 services
- Anticoagulant management of patient taking warfarin (93793)159 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 disease61%
- Arthritis54%
- Heart failure42%
- Diabetes41%
Hospitals where Marc O. Gosselin works
Medicare's Facility Affiliation Data lists Marc O. Gosselin 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.
- Ascension River District HospitalEast China, MI · Acute Care Hospital · closed, according to its website · CCN 230241
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230089
- Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230165
- Henry Ford Macomb HospitalClinton Township, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230047
Practice locations
Addresses where Marc O. Gosselin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 2061 W Auburn RdRochester Hills, MI 48309 (586) 498‑0440
- 22101 Moross RdDetroit, MI 48236
- 24211 Little Mack AveSaint Clair Shores, MI 48080 (810) 498‑0440
- 24211 Little Mack AveSt Clair Shores, MI 48080
- 24211 Little Mack Ave, Suite ASaint Clair Shores, MI 48080
Group practices
Medicare enrollment lists Marc O. Gosselin as a member of these groups (CMS data updated October 2, 2026).
- Henry Ford Health St. John Hospital348 clinicians in the group
- Eastlake Cardiovascular PC23 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Other clinicians in Henry Ford Health St. John Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of New England, College Of Osteo Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508814989 |
| 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