Ruairi O Connor, MD
NPI 1568031318 · Emergency Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruairi O Connor, MD is a Emergency Medicine Physician provider in Worcester, MA (NPI 1568031318).
Provider details
- NPI number
- 1568031318
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 294733 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 119 Belmont StWorcester, MA 01605-2903Phone: (508) 334-1000
Registry dates
- Enumerated
- 2021-06-24
- Last updated
- 2025-05-07
- Certified
- 2025-05-07
Frequently asked questions
- What is Ruairi O Connor's NPI number?
- Ruairi O Connor's National Provider Identifier (NPI) is 1568031318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruairi O Connor's specialty?
- Ruairi O Connor is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruairi O Connor located?
- Ruairi O Connor's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Ruairi O Connor's phone number?
- The practice phone number listed in the NPPES registry for Ruairi O Connor is (508) 334-1000.
- Does Ruairi O Connor accept Medicare?
- Ruairi O Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruairi O Connor's NPI active?
- Yes — Ruairi O Connor's NPI (1568031318) is active in the NPPES registry as of the last update on 2025-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.