Quick answers
- Which hospitals does Sean McGavin work at?
- Medicare's official clinician data lists Sean McGavin at 3 hospitals: Mercy Health Lakeshore Campus, Trinity Health Grand Haven Hospital and Trinity Health Muskegon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean McGavin see patients?
- Medicare's clinician data lists 3 practice locations, including Muskegon, MI, Grand Rapids, MI and Byron Center, MI. Call before your visit to confirm the address.
- What is Sean McGavin's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Sean McGavin accept Medicare assignment?
- Yes. Medicare's clinician data says Sean McGavin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sean McGavin?
- (231) 728-4601, as listed in official Medicare / NPI Registry data.
- What is Sean McGavin's NPI number?
- 1639217896. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean McGavin works
Medicare's Facility Affiliation Data lists Sean McGavin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Health Lakeshore CampusShelby, MI · Critical Access Hospital · CCN 231320
- Trinity Health Grand Haven HospitalGrand Haven, MI · Acute Care Hospital · CCN 230174
- Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · CCN 230066
Practice locations
Addresses where Sean McGavin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 E Sherman Blvd, Mercy HealthMuskegon, MI 49444 (231) 728‑4601
- 200 Jefferson Ave SE, Mercy Health St. Mary'SGrand Rapids, MI 49503 (616) 685‑5000
- 2373 64th St SW, Mercy Health St Mary'S SouthwestByron Center, MI 49315 (616) 685‑3900
Group practices
Medicare enrollment lists Sean McGavin as a member of these groups (CMS data updated 2026-10-02).
- Grand River Emergency Medical Group PLC39 clinicians in the group
- Lake Michigan Observation Services PLLC27 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Muskegon
Clinicians with the same Medicare primary specialty in Muskegon, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639217896 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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