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Jonathan Gwan, DDS
NPI 1912128877 · General Practice Dentistry · Norwich, CT
Jonathan Gwan, DDS is a General Practice Dentistry provider in Norwich, CT (NPI 1912128877).
Provider details
- NPI number
- 1912128877
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 9420 (CT)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
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
1 Clinic Dr
Norwich, CT 06360
Phone: (860) 889-4044
Street-level locationGet directions
Mailing address
25 Broad St Ext
Groton, CT 06340
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jonathan Gwan's NPI number?
- Jonathan Gwan's National Provider Identifier (NPI) is 1912128877, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Gwan's specialty?
- Jonathan Gwan is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Jonathan Gwan located?
- Jonathan Gwan's practice location on file with NPPES is 1 Clinic Dr, Norwich, CT 06360.
- What is Jonathan Gwan's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Gwan is (860) 889-4044.
- Is Jonathan Gwan's NPI active?
- Yes — Jonathan Gwan's NPI (1912128877) 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.