Quick answers
- Which hospitals does Mark S. Rumancik work at?
- Medicare's official clinician data lists Mark S. Rumancik at 5 hospitals: Adams Memorial Hospital, Indiana University Health Ball Memorial Hospital, Indiana University Health Jay, Inc., Lutheran Hospital of Indiana and Parkview Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark S. Rumancik see patients?
- Medicare's clinician data lists 2 practice locations, including Fort Wayne, IN and Van Wert, OH. Call before your visit to confirm the address.
- What is Mark S. Rumancik's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Mark S. Rumancik accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. Rumancik 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 S. Rumancik?
- (260) 494-3484, as listed in official Medicare / NPI Registry data.
- What is Mark S. Rumancik's NPI number?
- 1467454470. 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 S. Rumancik works
Medicare's Facility Affiliation Data lists Mark S. Rumancik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adams Memorial HospitalDecatur, IN · Critical Access Hospital · CCN 151330
- Indiana University Health Ball Memorial HospitalMuncie, IN · Acute Care Hospital · CCN 150089
- Indiana University Health Jay, Inc.Portland, IN · Critical Access Hospital · CCN 151320
- Lutheran Hospital of IndianaFort Wayne, IN · Acute Care Hospital · CCN 150017
- Parkview Regional Medical CenterFort Wayne, IN · Acute Care Hospital · CCN 150021
Practice locations
Addresses where Mark S. Rumancik is enrolled with Medicare (CMS data updated 2026-10-02).
- 11104 Parkview Circle Dr, Suite 330Fort Wayne, IN 46845 (260) 494‑3484
- 1250 S WashingtonVan Wert, OH 45891 (800) 686‑3963
Group practices
Medicare enrollment lists Mark S. Rumancik as a member of this group (CMS data updated 2026-10-02).
- Nephrology Associates of Northern Indiana PC65 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Fort Wayne
Clinicians with the same Medicare primary specialty in Fort Wayne, IN — not a recommendation.
Clinician information
| Medical school | Ohio State University College Of Medicine |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467454470 |
| 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