Quick answers
- Which hospitals does Peter A. Fergus work at?
- Medicare's official clinician data lists Peter A. Fergus at 2 hospitals: St Marys Hospital Medical Ctr and St Vincent Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter A. Fergus see patients?
- Medicare's clinician data lists 1 practice location in Green Bay, WI. Call before your visit to confirm the address.
- What is Peter A. Fergus's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Peter A. Fergus accept Medicare assignment?
- Yes. Medicare's clinician data says Peter A. Fergus 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 Peter A. Fergus's NPI number?
- 1639157936. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter A. Fergus works
Medicare's Facility Affiliation Data lists Peter A. Fergus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Marys Hospital Medical CtrGreen Bay, WI · Acute Care Hospital · CCN 520097
- St Vincent HospitalGreen Bay, WI · Acute Care Hospital · CCN 520075
Practice locations
Addresses where Peter A. Fergus is enrolled with Medicare (CMS data updated 2026-10-02).
- PO Box, Suite 19070Green Bay, WI 54307
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Wisconsin →
Other cardiologists in Green Bay
Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Rochester School Of Medicine And Dentistry |
| Graduation year | 1970 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639157936 |
| 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