Quick answers
- Which hospitals does Mark J. Ivey work at?
- Medicare's official clinician data lists Mark J. Ivey at 2 hospitals: 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 Mark J. Ivey see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Haven, MI and Spring Lake, MI. Call before your visit to confirm the address.
- What is Mark J. Ivey's specialty?
- Medicare lists Sleep Medicine as the primary specialty, and also Internal Medicine and Pulmonary Disease.
- Does Mark J. Ivey accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Ivey 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 Mark J. Ivey?
- (616) 842-3600, as listed in official Medicare / NPI Registry data.
- What is Mark J. Ivey's NPI number?
- 1962450981. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark J. Ivey works
Medicare's Facility Affiliation Data lists Mark J. Ivey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- 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 Mark J. Ivey is enrolled with Medicare (CMS data updated 2026-10-02).
- 1309 Sheldon RdGrand Haven, MI 49417 (616) 842‑3600
- 17357 Van Wagoner Rd, Suite 2Spring Lake, MI 49456 (616) 847‑1009
Specialties
- Sleep Medicineprimary
- Internal Medicinealso
- Pulmonary Diseasealso
Other sleep medicine doctors in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962450981 |
| 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