Quick answers
- Which hospitals does John P. O'Brien work at?
- Medicare's official clinician data lists John P. O'Brien at 2 hospitals: St Joseph's Hospital Health Center and University Hospital S U N y Health Science Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John P. O'Brien see patients?
- Medicare's clinician data lists 7 practice locations, including Syracuse, NY, Fayetteville, NY and Liverpool, NY. Call before your visit to confirm the address.
- What is John P. O'Brien's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John P. O'Brien accept Medicare assignment?
- Yes. Medicare's clinician data says John P. O'Brien 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.
- Does John P. O'Brien offer telehealth?
- Medicare's clinician data says John P. O'Brien offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John P. O'Brien?
- (315) 703-5200, as listed in official Medicare / NPI Registry data.
- What is John P. O'Brien's NPI number?
- 1013123579. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John P. O'Brien works
Medicare's Facility Affiliation Data lists John P. O'Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Joseph's Hospital Health CenterSyracuse, NY · Acute Care Hospital · CCN 330140
- University Hospital S U N y Health Science CenterSyracuse, NY · Acute Care Hospital · CCN 330241
Practice locations
Addresses where John P. O'Brien is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 301 Prospect AveSyracuse, NY 13203 (315) 703‑5200
- 301 Prospect Ave, Suite 706Syracuse, NY 13203 (315) 703‑5200
- 4101 Medical Ctr DrFayetteville, NY 13066 (315) 637‑7878
- 4103 Medical Ctr DrFayetteville, NY 13066 (315) 744‑1500
- 4104 Medical Ctr Dr, Suite 104Fayetteville, NY 13066 (315) 663‑0059
Group practices
Medicare enrollment lists John P. O'Brien as a member of these groups (CMS data updated 2026-10-02).
- St Josephs Medical PC382 clinicians in the group
- St Josephs Hospital Health Center111 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Syracuse
Clinicians with the same Medicare primary specialty in Syracuse, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013123579 |
| 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