Quick answers
- Which hospitals does Mark A. Oshaughnessy work at?
- Medicare's official clinician data lists Mark A. Oshaughnessy at 5 hospitals: Parkview Dekalb Hospital, Parkview Huntington Hospital, Parkview Regional Medical Center, Parkview Wabash Hospital, Inc and Parkview Whitley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Oshaughnessy see patients?
- Medicare's clinician data lists 15 practice locations, including Wabash, IN, Fort Wayne, IN and Huntington, IN. Call before your visit to confirm the address.
- What is Mark A. Oshaughnessy's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Cardiac Surgery and Internal Medicine.
- Does Mark A. Oshaughnessy accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Oshaughnessy 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 A. Oshaughnessy?
- (260) 569-2221, as listed in official Medicare / NPI Registry data.
- What is Mark A. Oshaughnessy's NPI number?
- 1962494138. 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 A. Oshaughnessy works
Medicare's Facility Affiliation Data lists Mark A. Oshaughnessy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Parkview Dekalb HospitalAuburn, IN · Acute Care Hospital · CCN 150045
- Parkview Huntington HospitalHuntington, IN · Acute Care Hospital · CCN 150091
- Parkview Regional Medical CenterFort Wayne, IN · Acute Care Hospital · CCN 150021
- Parkview Wabash Hospital, IncWabash, IN · Critical Access Hospital · CCN 151310
- Parkview Whitley HospitalColumbia City, IN · Acute Care Hospital · CCN 150101
Practice locations
Addresses where Mark A. Oshaughnessy is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 10 John Kissinger DrWabash, IN 46992 (260) 569‑2221
- 11104 Parkview Plaza Dr, 410 Ppg Pulmonary and Critical CareFort Wayne, IN 46845 (260) 266‑7856
- 11108 Parkview Circle DrFort Wayne, IN 46845 (260) 266‑5700
- 11109 Parkview Plaza DrFort Wayne, IN 46845
- 11109 Parkview Plaza Dr, Suite 117Fort Wayne, IN 46845
Group practices
Medicare enrollment lists Mark A. Oshaughnessy as a member of this group (CMS data updated 2026-10-02).
- Parkview Health System Inc1,377 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Indiana →
Other cardiologists in Wabash
Clinicians with the same Medicare primary specialty in Wabash, 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) | 1962494138 |
| 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