Quick answers
- Which hospitals does Mark R. Nikkel work at?
- Medicare's official clinician data lists Mark R. Nikkel at 4 hospitals: Bronson Lakeview Hospital, Bronson Methodist Hospital, Bronson South Haven Hospital and Corewell Health Watervliet Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark R. Nikkel see patients?
- Medicare's clinician data lists 2 practice locations, including Portage, MI and South Haven, MI. Call before your visit to confirm the address.
- What is Mark R. Nikkel's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Mark R. Nikkel accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Nikkel 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 R. Nikkel?
- (269) 447-1689, as listed in official Medicare / NPI Registry data.
- What is Mark R. Nikkel's NPI number?
- 1699762336. 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 R. Nikkel works
Medicare's Facility Affiliation Data lists Mark R. Nikkel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bronson Lakeview HospitalPaw Paw, MI · Critical Access Hospital · CCN 231332
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · CCN 230017
- Bronson South Haven HospitalSouth Haven, MI · Acute Care Hospital · CCN 230085
- Corewell Health Watervliet HospitalWatervliet, MI · Acute Care Hospital · CCN 230078
Practice locations
Addresses where Mark R. Nikkel is enrolled with Medicare (CMS data updated 2026-10-02).
- 3951 W Milham AvePortage, MI 49024 (269) 447‑1689
- 955 S Bailey AveSouth Haven, MI 49090 (269) 637‑5271
Group practices
Medicare enrollment lists Mark R. Nikkel as a member of these groups (CMS data updated 2026-10-02).
- Powerback Rehabilitation LLC649 clinicians in the group
- Bronson South Haven Hospital39 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Portage
Clinicians with the same Medicare primary specialty in Portage, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699762336 |
| 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