IndividualActive
Mark Garthwait
NPI 1316665334 · Community Health Worker · Waterbury, CT
Mark Garthwait is a Community Health Worker provider in Waterbury, CT (NPI 1316665334).
Provider details
- NPI number
- 1316665334
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
402 E Main St
Waterbury, CT 06702-1701
Phone: (203) 574-9000
Street-level locationGet directions
Mailing address
141 E Main St
Waterbury, CT 06702-2310
Registry dates
- Enumerated
- 2022-08-16
- Last updated
- 2022-08-16
- Certified
- 2022-08-16
Frequently asked questions
- What is Mark Garthwait's NPI number?
- Mark Garthwait's National Provider Identifier (NPI) is 1316665334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Garthwait's specialty?
- Mark Garthwait is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Mark Garthwait located?
- Mark Garthwait's practice location on file with NPPES is 402 E Main St, Waterbury, CT 06702-1701.
- What is Mark Garthwait's phone number?
- The practice phone number listed in the NPPES registry for Mark Garthwait is (203) 574-9000.
- Is Mark Garthwait's NPI active?
- Yes — Mark Garthwait's NPI (1316665334) is active in the NPPES registry as of the last update on 2022-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.