Quick answers
- Which hospitals does Stephen J. Koewler work at?
- Medicare's official clinician data lists Stephen J. Koewler at 5 hospitals: Ascension St Vincent Evansville, Ascension St Vincent Warrick, Deaconess Hospital Inc, Gibson General Hospital and The Women's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen J. Koewler see patients?
- Medicare's clinician data lists 3 practice locations, including Evansville, IN. Call before your visit to confirm the address.
- What is Stephen J. Koewler's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Stephen J. Koewler accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen J. Koewler 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 Stephen J. Koewler?
- (812) 479-1411, as listed in official Medicare / NPI Registry data.
- What is Stephen J. Koewler's NPI number?
- 1467439844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen J. Koewler works
Medicare's Facility Affiliation Data lists Stephen J. Koewler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension St Vincent EvansvilleEvansville, IN · Acute Care Hospital · CCN 150100
- Ascension St Vincent WarrickBoonville, IN · Critical Access Hospital · CCN 151325
- Deaconess Hospital IncEvansville, IN · Acute Care Hospital · CCN 150082
- Gibson General HospitalPrinceton, IN · Critical Access Hospital · CCN 151319
- The Women's HospitalNewburgh, IN · Acute Care Hospital · CCN 150149
Practice locations
Addresses where Stephen J. Koewler is enrolled with Medicare (CMS data updated 2026-10-02).
- 3701 Bellemeade AveEvansville, IN 47714 (812) 479‑1411
- 3801 Bellemeade AveEvansville, IN 47714
- 801 Saint Marys Dr, 505eEvansville, IN 47714 (812) 491‑3236
Group practices
Medicare enrollment lists Stephen J. Koewler as a member of these groups (CMS data updated 2026-10-02).
- St Marys Medical Group LLC228 clinicians in the group
- Easter Seals Rehabilitation Center Inc42 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Evansville
Clinicians with the same Medicare primary specialty in Evansville, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467439844 |
| 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