Quick answers
- Does Ruairi J. O Connor accept Medicare assignment?
- Yes. Medicare's clinician data says Ruairi J. O Connor accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Ruairi J. O Connor's NPI number?
- 1568031318. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruairi J. O Connor works
Medicare's Facility Affiliation Data lists Ruairi J. O Connor at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Day Kimball HospitalPutnam, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070003
- Manchester Memorial HospitalManchester, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070027
- Windham Community Memorial HospitalWillimantic, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070021
Practice locations
Addresses where Ruairi J. O Connor is enrolled with Medicare (CMS data updated October 2, 2026).
- 112 Mansfield AveWillimantic, CT 06226 (830) 423‑6410
- 14 Prospect StMilford, MA 01757 (508) 845‑0127
- 320 Pomfret StPutnam, CT 06260 (860) 928‑6541
- 435 Lewis AveMeriden, CT 06451 (203) 694‑8200
- 81 Meriden AveSouthington, CT 06489 (860) 276‑8326
Group practices
Medicare enrollment lists Ruairi J. O Connor as a member of these groups (CMS data updated October 2, 2026).
- Nems PLLC39 clinicians in the group
- Northeast Emergency Medicine Specialists LLC39 clinicians in the group
- Orion Emergency Services, Inc.19 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Willimantic
Clinicians with the same Medicare primary specialty in Willimantic, CT — not a recommendation.
Other clinicians in Nems PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2010 (16 years since medical school) |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568031318 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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