Quick answers
- Which hospitals does Donna M. Grenfell work at?
- Medicare's official clinician data lists Donna M. Grenfell at 2 hospitals: St Marys Hospital Medical Center and St Vincent Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Donna M. Grenfell see patients?
- Medicare's clinician data lists 9 practice locations, including Luxemburg, WI, De Pere, WI and Green Bay, WI. Call before your visit to confirm the address.
- What is Donna M. Grenfell's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Donna M. Grenfell accept Medicare assignment?
- Yes. Medicare's clinician data says Donna M. Grenfell 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 Donna M. Grenfell?
- (920) 496-4700, as listed in official Medicare / NPI Registry data.
- What is Donna M. Grenfell's NPI number?
- 1700801107. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Donna M. Grenfell works
Medicare's Facility Affiliation Data lists Donna M. Grenfell 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 CenterGreen Bay, WI · Acute Care Hospital · CCN 520097
- St Vincent HospitalGreen Bay, WI · Acute Care Hospital · CCN 520075
Practice locations
Addresses where Donna M. Grenfell is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 101 School Creek TrlLuxemburg, WI 54217 (920) 496‑4700
- 1601 Lawrence Dr, Suite 100De Pere, WI 54115 (920) 496‑4700
- 1686 Eisenhower RdDe Pere, WI 54115 (920) 496‑4700
- 1821 S Webster AveGreen Bay, WI 54301 (920) 496‑4700
- 1860 Shawano AveGreen Bay, WI 54303 (920) 496‑4700
Group practices
Medicare enrollment lists Donna M. Grenfell as a member of this group (CMS data updated 2026-10-02).
- St Vincent Hospital-Hospital Sisters-Third Order of St Francis603 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Luxemburg
Clinicians with the same Medicare primary specialty in Luxemburg, WI — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700801107 |
| 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