IndividualActive
Charles Zatzkin, D.D.S.
NPI 1164729190 · Dentist · Cos Cob, CT
Charles Zatzkin, D.D.S. is a Dentist provider in Cos Cob, CT (NPI 1164729190).
Provider details
- NPI number
- 1164729190
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4966 (CT)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
391 E Putnam Ave
Cos Cob, CT 06807-2579
Phone: (203) 869-2066
Street-level locationGet directions
Mailing address
391 E. Putnam Ave
Cos Cob, CT 06807
Registry dates
- Enumerated
- 2011-02-28
- Last updated
- 2011-02-28
Frequently asked questions
- What is Charles Zatzkin's NPI number?
- Charles Zatzkin's National Provider Identifier (NPI) is 1164729190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Zatzkin's specialty?
- Charles Zatzkin is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Charles Zatzkin located?
- Charles Zatzkin's practice location on file with NPPES is 391 E Putnam Ave, Cos Cob, CT 06807-2579.
- What is Charles Zatzkin's phone number?
- The practice phone number listed in the NPPES registry for Charles Zatzkin is (203) 869-2066.
- Is Charles Zatzkin's NPI active?
- Yes — Charles Zatzkin's NPI (1164729190) is active in the NPPES registry as of the last update on 2011-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.