Michael Mack, D.D.S.
NPI 1508952375 · General Practice Dentistry · Cos Cob, CT
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mack, D.D.S. is a General Practice Dentistry provider in Cos Cob, CT (NPI 1508952375).
Provider details
- NPI number
- 1508952375
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 005247 (CT)
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
- 2006-10-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Mack's NPI number?
- Michael Mack's National Provider Identifier (NPI) is 1508952375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mack's specialty?
- Michael Mack is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Michael Mack located?
- Michael Mack's practice location on file with NPPES is 40 E. Putnam Ave., Cos Cob, CT 06807.
- What is Michael Mack's phone number?
- The practice phone number listed in the NPPES registry for Michael Mack is (203) 661-2279.
- Does Michael Mack accept Medicare?
- Michael Mack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mack's NPI active?
- Yes — Michael Mack's NPI (1508952375) 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.