Lellieth Keize, REGISTERED DIETITIAN
NPI 1043582026 · Registered Dietitian · Darien, CT
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lellieth Keize, REGISTERED DIETITIAN is a Registered Dietitian provider in Darien, CT (NPI 1043582026).
Provider details
- NPI number
- 1043582026
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- REGISTERED DIETITIAN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 965780 (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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 173 Huguenot St Ste 200New Rochelle, NY 10801-7710Phone: (203) 952-3534Fax: (203) 803-4697
Registry dates
- Enumerated
- 2012-02-06
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Lellieth Keize's NPI number?
- Lellieth Keize's National Provider Identifier (NPI) is 1043582026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lellieth Keize's specialty?
- Lellieth Keize is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Lellieth Keize located?
- Lellieth Keize's practice location on file with NPPES is 19 Old Kings Hwy S Ste 200, Darien, CT 06820-4532.
- What is Lellieth Keize's phone number?
- The practice phone number listed in the NPPES registry for Lellieth Keize is (203) 952-3534.
- Does Lellieth Keize accept Medicare?
- Lellieth Keize is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lellieth Keize's NPI active?
- Yes — Lellieth Keize's NPI (1043582026) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.