Quick answers
- Which hospitals does Mark G. Pontow work at?
- Medicare's official clinician data lists Mark G. Pontow at 2 hospitals: Ascension NE Wisconsin - St Elizabeth Campus and Thedacare Regional Medical Center - Neenah. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark G. Pontow see patients?
- Medicare's clinician data lists 1 practice location in Oshkosh, WI. Call before your visit to confirm the address.
- What is Mark G. Pontow's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Mark G. Pontow accept Medicare assignment?
- Yes. Medicare's clinician data says Mark G. Pontow 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 Mark G. Pontow?
- (920) 223-2000, as listed in official Medicare / NPI Registry data.
- What is Mark G. Pontow's NPI number?
- 1255914735. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark G. Pontow works
Medicare's Facility Affiliation Data lists Mark G. Pontow at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension NE Wisconsin - St Elizabeth CampusAppleton, WI · Acute Care Hospital · CCN 520009
- Thedacare Regional Medical Center - NeenahNeenah, WI · Acute Care Hospital · CCN 520045
Practice locations
Addresses where Mark G. Pontow is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 S Oakwood RdOshkosh, WI 54904 (920) 223‑2000
Group practices
Medicare enrollment lists Mark G. Pontow as a member of this group (CMS data updated 2026-10-02).
- Racine Anesthesia Services LLC82 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Wisconsin →
Other nurse anesthetists in Oshkosh
Clinicians with the same Medicare primary specialty in Oshkosh, WI — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255914735 |
| 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