Quick answers
- Which hospitals does Robert E. O' Sullivan work at?
- Medicare's official clinician data lists Robert E. O' Sullivan at 1 hospital: Bridgeport Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert E. O' Sullivan see patients?
- Medicare's clinician data lists 1 practice location in Bridgeport, CT. Call before your visit to confirm the address.
- What is Robert E. O' Sullivan's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Robert E. O' Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Robert E. O' Sullivan 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 Robert E. O' Sullivan?
- (203) 696-3260, as listed in official Medicare / NPI Registry data.
- What is Robert E. O' Sullivan's NPI number?
- 1053751271. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert E. O' Sullivan works
Medicare's Facility Affiliation Data lists Robert E. O' Sullivan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bridgeport HospitalBridgeport, CT · Acute Care Hospital · CCN 070010
Practice locations
Addresses where Robert E. O' Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 982 E Main StBridgeport, CT 06608 (203) 696‑3260
Group practices
Medicare enrollment lists Robert E. O' Sullivan as a member of this group (CMS data updated 2026-10-02).
- Optimus Health Care Inc79 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Bridgeport
Clinicians with the same Medicare primary specialty in Bridgeport, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053751271 |
| 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