Denise Groothuis
NPI 1114419256 · Registered Dietitian · Stamford, CT
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Groothuis is a Registered Dietitian provider in Stamford, CT (NPI 1114419256).
Provider details
- NPI number
- 1114419256
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 007407 (NY)
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
8 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
- 2018-06-05
- Last updated
- 2018-06-05
Frequently asked questions
- What is Denise Groothuis's NPI number?
- Denise Groothuis's National Provider Identifier (NPI) is 1114419256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Groothuis's specialty?
- Denise Groothuis is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Denise Groothuis located?
- Denise Groothuis's practice location on file with NPPES is 141 Franklin St, Stamford, CT 06901-1014.
- What is Denise Groothuis's phone number?
- The practice phone number listed in the NPPES registry for Denise Groothuis is (203) 969-0802.
- Does Denise Groothuis accept Medicare?
- Denise Groothuis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Groothuis's NPI active?
- Yes — Denise Groothuis's NPI (1114419256) is active in the NPPES registry as of the last update on 2018-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.