IndividualActive
John Widlak, D.M.D.
NPI 1740379635 · General Practice Dentistry · Groton, CT
John Widlak, D.M.D. is a General Practice Dentistry provider in Groton, CT (NPI 1740379635).
Provider details
- NPI number
- 1740379635
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 008204 (CT)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 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
163 Ledgewood Rd
Apt 412
Groton, CT 06340-6611
Phone: (505) 491-7009
Street-level locationGet directions
Mailing address
1 Wahoo Drive
Groton, CT 06349-5600
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Widlak's NPI number?
- John Widlak's National Provider Identifier (NPI) is 1740379635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Widlak's specialty?
- John Widlak is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is John Widlak located?
- John Widlak's practice location on file with NPPES is 163 Ledgewood Rd, Groton, CT 06340-6611.
- What is John Widlak's phone number?
- The practice phone number listed in the NPPES registry for John Widlak is (505) 491-7009.
- Is John Widlak's NPI active?
- Yes — John Widlak's NPI (1740379635) 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.