Joan O'Connor, D.M.D.
NPI 1700940046 · Orthodontics and Dentofacial Orthopedics Dentistry · Winchester, MA
Joan O'Connor, D.M.D. is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Winchester, MA (NPI 1700940046).
Provider details
- NPI number
- 1700940046
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- D.M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 14080 (MA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES 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
- 2006-12-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joan O'Connor's NPI number?
- Joan O'Connor's National Provider Identifier (NPI) is 1700940046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan O'Connor's specialty?
- Joan O'Connor is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Joan O'Connor located?
- Joan O'Connor's practice location on file with NPPES is 4 Summit Ave, Winchester, MA 01890-3049.
- What is Joan O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Joan O'Connor is (781) 729-9131.
- Is Joan O'Connor's NPI active?
- Yes — Joan O'Connor's NPI (1700940046) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.