Jean Kostak, MS, RD
NPI 1427105550 · Nutrition Education Nutritionist · Farmington, CT
Jean Kostak, MS, RD is a Nutrition Education Nutritionist provider in Farmington, CT (NPI 1427105550).
Provider details
- NPI number
- 1427105550
- Entity type
- Individual
- Primary specialty
- Nutrition Education NutritionistDietary & Nutritional Service Providers
- Credential
- MS, RD
- Sex
- Female
- Sole proprietor
- No
- License
- 000312 (CT)
Specialties & taxonomies
Dietary & Nutritional Service 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
- 2007-01-04
- Last updated
- 2022-09-26
Frequently asked questions
- What is Jean Kostak's NPI number?
- Jean Kostak's National Provider Identifier (NPI) is 1427105550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jean Kostak's specialty?
- Jean Kostak is listed in the NPPES registry with a primary specialty of Nutrition Education Nutritionist (Dietary & Nutritional Service Providers).
- Where is Jean Kostak located?
- Jean Kostak's practice location on file with NPPES is 263 Farmington Ave, Farmington, CT 06030-6220.
- What is Jean Kostak's phone number?
- The practice phone number listed in the NPPES registry for Jean Kostak is (860) 679-4477.
- Is Jean Kostak's NPI active?
- Yes — Jean Kostak's NPI (1427105550) is active in the NPPES registry as of the last update on 2022-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.