Quick answers
- Which hospitals does Mark E. Haan work at?
- Medicare's official clinician data lists Mark E. Haan at 2 hospitals: Corewell Health Big Rapids Hospital and Corewell Health Reed City Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark E. Haan see patients?
- Medicare's clinician data lists 3 practice locations, including Grand Rapids, MI and Big Rapids, MI. Call before your visit to confirm the address.
- What is Mark E. Haan's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Mark E. Haan accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Haan 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 Mark E. Haan's NPI number?
- 1689608200. 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 E. Haan works
Medicare's Facility Affiliation Data lists Mark E. Haan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corewell Health Big Rapids HospitalBig Rapids, MI · Acute Care Hospital · CCN 230093
- Corewell Health Reed City HospitalReed City, MI · Critical Access Hospital · CCN 231323
Practice locations
Addresses where Mark E. Haan is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Michigan Ave NEGrand Rapids, MI 49503
- 605 Oak StBig Rapids, MI 49307
- 705 Oak StBig Rapids, MI 49307
Group practices
Medicare enrollment lists Mark E. Haan as a member of this group (CMS data updated 2026-10-02).
- Mecosta County Medical Center52 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689608200 |
| 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