Quick answers
- Which hospitals does David W. Koeper work at?
- Medicare's official clinician data lists David W. Koeper at 5 hospitals: Ascension NE Wisconsin - St Elizabeth Campus, St Vincent Hospital, Thedacare Medical Center - Berlin Inc, Thedacare Regional Medical Center - Appleton Inc and Thedacare Regional Medical Center - Neenah. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David W. Koeper see patients?
- Medicare's clinician data lists 2 practice locations, including Neenah, WI and Green Bay, WI. Call before your visit to confirm the address.
- What is David W. Koeper's specialty?
- Medicare lists General Practice as the primary specialty, and also Nephrology.
- Does David W. Koeper accept Medicare assignment?
- Yes. Medicare's clinician data says David W. Koeper 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 David W. Koeper?
- (920) 886-0818, as listed in official Medicare / NPI Registry data.
- What is David W. Koeper's NPI number?
- 1487698387. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David W. Koeper works
Medicare's Facility Affiliation Data lists David W. Koeper 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
- St Vincent HospitalGreen Bay, WI · Acute Care Hospital · CCN 520075
- Thedacare Medical Center - Berlin IncBerlin, WI · Critical Access Hospital · CCN 521355
- Thedacare Regional Medical Center - Appleton IncAppleton, WI · Acute Care Hospital · CCN 520160
- Thedacare Regional Medical Center - NeenahNeenah, WI · Acute Care Hospital · CCN 520045
Practice locations
Addresses where David W. Koeper is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 N Commercial St, Suite 200Neenah, WI 54956 (920) 886‑0818
- 670 Cormier RdGreen Bay, WI 54304 (920) 494‑9685
Group practices
Medicare enrollment lists David W. Koeper as a member of these groups (CMS data updated 2026-10-02).
- St Vincent Hospital-Hospital Sisters-Third Order of St Francis603 clinicians in the group
- Fox Valley Nephrology Partners S C12 clinicians in the group
Specialties
- General Practiceprimary
- Nephrologyalso
Other general practitioners in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487698387 |
| 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