Quick answers
- Which hospitals does Jacob S. Wellnitz work at?
- Medicare's official clinician data lists Jacob S. Wellnitz at 2 hospitals: Chippewa County War Memorial Hospital and Mackinac Straits Hospital and Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jacob S. Wellnitz see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Ignace, MI and St Ignace, MI. Call before your visit to confirm the address.
- What is Jacob S. Wellnitz's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Jacob S. Wellnitz accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob S. Wellnitz 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 Jacob S. Wellnitz?
- (906) 643-8585, as listed in official Medicare / NPI Registry data.
- What is Jacob S. Wellnitz's NPI number?
- 1700418712. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jacob S. Wellnitz works
Medicare's Facility Affiliation Data lists Jacob S. Wellnitz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chippewa County War Memorial HospitalSault Ste Marie, MI · Acute Care Hospital · CCN 230239
- Mackinac Straits Hospital and Health CenterSaint Ignace, MI · Critical Access Hospital · CCN 231306
Practice locations
Addresses where Jacob S. Wellnitz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1140 N State StSaint Ignace, MI 49781 (906) 643‑8585
- 1140 N State StSt Ignace, MI 49781
Group practices
Medicare enrollment lists Jacob S. Wellnitz as a member of this group (CMS data updated 2026-10-02).
- Mackinac Straits Health System Inc17 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Ignace
Clinicians with the same Medicare primary specialty in Saint Ignace, MI — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700418712 |
| 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