Quick answers
- Which hospitals does Catherine E. Oconnor work at?
- Medicare's official clinician data lists Catherine E. Oconnor at 3 hospitals: Harrisburg Medical Center, Herrin Hospital and Memorial Hospital of Carbondale. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Catherine E. Oconnor see patients?
- Medicare's clinician data lists 1 practice location in Carbondale, IL. Call before your visit to confirm the address.
- What is Catherine E. Oconnor's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Catherine E. Oconnor accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine E. Oconnor 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 Catherine E. Oconnor?
- (618) 457-2281, as listed in official Medicare / NPI Registry data.
- What is Catherine E. Oconnor's NPI number?
- 1134189434. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Catherine E. Oconnor works
Medicare's Facility Affiliation Data lists Catherine E. Oconnor at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Harrisburg Medical CenterHarrisburg, IL · Acute Care Hospital · CCN 140210
- Herrin HospitalHerrin, IL · Acute Care Hospital · CCN 140011
- Memorial Hospital of CarbondaleCarbondale, IL · Acute Care Hospital · CCN 140164
Practice locations
Addresses where Catherine E. Oconnor is enrolled with Medicare (CMS data updated 2026-10-02).
- 1237 E Main St, C1Carbondale, IL 62901 (618) 457‑2281
Group practices
Medicare enrollment lists Catherine E. Oconnor as a member of this group (CMS data updated 2026-10-02).
- Southern Illinois Medical Services NFP334 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Carbondale
Clinicians with the same Medicare primary specialty in Carbondale, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134189434 |
| 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