Quick answers
- Which hospitals does Lynn M. Oconnor work at?
- Medicare's official clinician data lists Lynn M. Oconnor at 2 hospitals: Mercy Medical Center and Ns/Lij HS Huntington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lynn M. Oconnor see patients?
- Medicare's clinician data lists 1 practice location in Huntington, NY. Call before your visit to confirm the address.
- What is Lynn M. Oconnor's specialty?
- Medicare lists Colorectal Surgery (Proctology) as the primary specialty, and also General Surgery.
- Does Lynn M. Oconnor accept Medicare assignment?
- Yes. Medicare's clinician data says Lynn M. 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.
- Does Lynn M. Oconnor offer telehealth?
- Medicare's clinician data says Lynn M. Oconnor offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lynn M. Oconnor?
- (631) 350-6277, as listed in official Medicare / NPI Registry data.
- What is Lynn M. Oconnor's NPI number?
- 1689601767. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lynn M. Oconnor works
Medicare's Facility Affiliation Data lists Lynn M. Oconnor at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · CCN 330259
- Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · CCN 330045
Practice locations
Addresses where Lynn M. Oconnor is enrolled with Medicare (CMS data updated 2026-10-02).
- 380 Park AveHuntington, NY 11743 (631) 350‑6277
Specialties
Find other Colorectal Surgery (Proctology) doctors in New York →
Other colorectal surgeons in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689601767 |
| 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