Quick answers
- Which hospitals does Peter O'Halloran work at?
- Medicare's official clinician data lists Peter O'Halloran at 5 hospitals: Cayuga Medical Center at Ithaca, Corning Hospital, Guthrie Cortland Regional Medical Center, Robert Packer Hospital and Troy Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter O'Halloran see patients?
- Medicare's clinician data lists 4 practice locations, including Corning, NY, Sayre, PA and Towanda, PA. Call before your visit to confirm the address.
- What is Peter O'Halloran's specialty?
- Medicare lists Interventional Radiology as the primary specialty, and also Diagnostic Radiology.
- Does Peter O'Halloran accept Medicare assignment?
- Yes. Medicare's clinician data says Peter O'Halloran 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 Peter O'Halloran?
- (607) 973-7200, as listed in official Medicare / NPI Registry data.
- What is Peter O'Halloran's NPI number?
- 1245625292. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter O'Halloran works
Medicare's Facility Affiliation Data lists Peter O'Halloran at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · CCN 330307
- Corning HospitalCorning, NY · Acute Care Hospital · CCN 330277
- Guthrie Cortland Regional Medical CenterCortland, NY · Acute Care Hospital · CCN 330175
- Robert Packer HospitalSayre, PA · Acute Care Hospital · CCN 390079
- Troy Community HospitalTroy, PA · Critical Access Hospital · CCN 391305
Practice locations
Addresses where Peter O'Halloran is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Guthrie DrCorning, NY 14830 (607) 973‑7200
- 1 Guthrie SqSayre, PA 18840 (570) 887‑3192
- 132 Colonial DrTowanda, PA 18848 (570) 265‑6165
- 134 Homer AveCortland, NY 13045 (607) 756‑3500
Group practices
Medicare enrollment lists Peter O'Halloran as a member of this group (CMS data updated 2026-10-02).
- Guthrie Medical Group PC795 clinicians in the group
Specialties
- Interventional Radiologyprimary
- Diagnostic Radiologyalso
Other interventional radiologists in Corning
Clinicians with the same Medicare primary specialty in Corning, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245625292 |
| 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