Quick answers
- Which hospitals does Chad A. Ermis work at?
- Medicare's official clinician data lists Chad A. Ermis at 2 hospitals: Aurora Medical Center Bay Area and OSF St Francis Hospital and Medical Group. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Chad A. Ermis see patients?
- Medicare's clinician data lists 1 practice location in Marinette, WI. Call before your visit to confirm the address.
- What is Chad A. Ermis's specialty?
- Medicare lists Physical Medicine and Rehabilitation as the primary specialty.
- Does Chad A. Ermis accept Medicare assignment?
- Yes. Medicare's clinician data says Chad A. Ermis 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 Chad A. Ermis?
- (715) 735-6621, as listed in official Medicare / NPI Registry data.
- What is Chad A. Ermis's NPI number?
- 1588894018. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Chad A. Ermis works
Medicare's Facility Affiliation Data lists Chad A. Ermis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical Center Bay AreaMarinette, WI · Acute Care Hospital · CCN 520113
- OSF St Francis Hospital and Medical GroupEscanaba, MI · Critical Access Hospital · CCN 231337
Practice locations
Addresses where Chad A. Ermis is enrolled with Medicare (CMS data updated 2026-10-02).
- 3003 University DrMarinette, WI 54143 (715) 735‑6621
Group practices
Medicare enrollment lists Chad A. Ermis as a member of this group (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Wisconsin →
Other rehabilitation doctors in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588894018 |
| 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