Quick answers
- Which hospitals does Marc Grodsky work at?
- Medicare's official clinician data lists Marc Grodsky at 3 hospitals: Bellin Memorial Hospital, 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 Marc Grodsky see patients?
- Medicare's clinician data lists 2 practice locations, including Green Bay, WI. Call before your visit to confirm the address.
- What is Marc Grodsky's specialty?
- Medicare lists Colorectal Surgery (Proctology) as the primary specialty, and also General Surgery.
- Does Marc Grodsky accept Medicare assignment?
- Yes. Medicare's clinician data says Marc Grodsky 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 Marc Grodsky?
- (920) 496-4700, as listed in official Medicare / NPI Registry data.
- What is Marc Grodsky's NPI number?
- 1639379118. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc Grodsky works
Medicare's Facility Affiliation Data lists Marc Grodsky at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bellin Memorial HospitalGreen Bay, WI · Acute Care Hospital · CCN 520049
- 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 Marc Grodsky is enrolled with Medicare (CMS data updated 2026-10-02).
- 1860 Shawano AveGreen Bay, WI 54303 (920) 496‑4700
- 835 S Van Buren StGreen Bay, WI 54301 (920) 496‑4700
Group practices
Medicare enrollment lists Marc Grodsky 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
Find other Colorectal Surgery (Proctology) doctors in Wisconsin →
Other colorectal surgeons in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639379118 |
| 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