Quick answers
- Which hospitals does Simon E. Roselaar work at?
- Medicare's official clinician data lists Simon E. Roselaar at 5 hospitals: Ascension NE Wisconsin - St Elizabeth Campus, Thedacare Medical Center - Berlin Inc, Thedacare Medical Center-Waupaca, Thedacare Regional Med Ctr - Neenah and Thedacare Regional Medical Center - Appleton Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Simon E. Roselaar see patients?
- Medicare's clinician data lists 1 practice location in Appleton, WI. Call before your visit to confirm the address.
- What is Simon E. Roselaar's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Simon E. Roselaar accept Medicare assignment?
- Yes. Medicare's clinician data says Simon E. Roselaar 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 Simon E. Roselaar?
- (920) 738-2000, as listed in official Medicare / NPI Registry data.
- What is Simon E. Roselaar's NPI number?
- 1689626632. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Simon E. Roselaar works
Medicare's Facility Affiliation Data lists Simon E. Roselaar 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 Medical Center - Berlin IncBerlin, WI · Critical Access Hospital · CCN 521355
- Thedacare Medical Center-WaupacaWaupaca, WI · Critical Access Hospital · CCN 521334
- Thedacare Regional Med Ctr - NeenahNeenah, WI · Acute Care Hospital · CCN 520045
- Thedacare Regional Medical Center - Appleton IncAppleton, WI · Acute Care Hospital · CCN 520160
Practice locations
Addresses where Simon E. Roselaar is enrolled with Medicare (CMS data updated 2026-10-02).
- 1506 S Oneida StAppleton, WI 54915 (920) 738‑2000
Group practices
Medicare enrollment lists Simon E. Roselaar as a member of this group (CMS data updated 2026-10-02).
- Ascension Medical Group-Fox Valley Wisconsin, Inc259 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Wisconsin →
Other cardiologists in Appleton
Clinicians with the same Medicare primary specialty in Appleton, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689626632 |
| 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