Mary Claire Connor
NPI 1659231124 · Critical Care Medicine Registered Nurse · Boston, MA
Mary Claire Connor is a Critical Care Medicine Registered Nurse provider in Boston, MA (NPI 1659231124).
Provider details
- NPI number
- 1659231124
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN2334365 (MA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2025-11-17
- Last updated
- 2025-11-17
- Certified
- 2025-11-16
Frequently asked questions
- What is Mary Claire Connor's NPI number?
- Mary Claire Connor's National Provider Identifier (NPI) is 1659231124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Claire Connor's specialty?
- Mary Claire Connor is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).
- Where is Mary Claire Connor located?
- Mary Claire Connor's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Mary Claire Connor's phone number?
- The practice phone number listed in the NPPES registry for Mary Claire Connor is (617) 636-5000.
- Is Mary Claire Connor's NPI active?
- Yes — Mary Claire Connor's NPI (1659231124) is active in the NPPES registry as of the last update on 2025-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.