Quick answers
- Which hospitals does Dennis W. Oconnor work at?
- Medicare's official clinician data lists Dennis W. Oconnor at 4 hospitals: Arnot Ogden Medical Center, Corning Hospital, Ira Davenport Memorial Hospital and St James Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dennis W. Oconnor see patients?
- Medicare's clinician data lists 1 practice location in Bath, NY. Call before your visit to confirm the address.
- What is Dennis W. Oconnor's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Dennis W. Oconnor accept Medicare assignment?
- Yes. Medicare's clinician data says Dennis W. 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 Dennis W. Oconnor?
- (607) 776-2247, as listed in official Medicare / NPI Registry data.
- What is Dennis W. Oconnor's NPI number?
- 1912935743. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dennis W. Oconnor works
Medicare's Facility Affiliation Data lists Dennis W. Oconnor at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Arnot Ogden Medical CenterElmira, NY · Acute Care Hospital · CCN 330090
- Corning HospitalCorning, NY · Acute Care Hospital · CCN 330277
- Ira Davenport Memorial HospitalBath, NY · Rural Emergency Hospital · CCN 330800
- St James HospitalHornell, NY · Acute Care Hospital · CCN 330151
Practice locations
Addresses where Dennis W. Oconnor is enrolled with Medicare (CMS data updated 2026-10-02).
- 7573 State Route 54Bath, NY 14810 (607) 776‑2247
Group practices
Medicare enrollment lists Dennis W. Oconnor as a member of this group (CMS data updated 2026-10-02).
- Keuka Family Practice Associates LLP5 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Bath
Clinicians with the same Medicare primary specialty in Bath, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912935743 |
| 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