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Active NPI 1043582026 Individual Practitioner Female Practitioner

Lellieth Keize , REGISTERED DIETITIAN

Dietitian, Registered • Darien, CT

Professional Overview & Biography Verified Profile Summary

Lellieth Keize, REGISTERED DIETITIAN is a certified Dietitian, Registered practicing in Darien, CT. With approximately 17 years of clinical experience since completing medical education in 2009, Lellieth Keize delivers high-quality medical care to the local community at 19 OLD KINGS HWY S STE 200.

Lellieth Keize does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

19 Old Kings Hwy S Ste 200

Darien, CT 068204532

Telephone 2039523534
Fax 2038034697

Medicare Profile & Education

Medical School

Other

Graduation Year

2009

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dietitian, Registered in Darien, CT

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
17 Yrs Matches City Avg
City Avg: 17.0 Yrs
State Avg: 17.2 Yrs
Regional Practice Density
9 Specialists

Practicing in Darien, CT (833 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Keize (17 Years) 17 Yrs
Darien Specialty Average (17.0 Years) 17.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-09-15
Dietitian, Registered Primary Specialty

NUCC Taxonomy Code: 133V00000X

State License CT 965780

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

Secondary Practice Locations

173 Huguenot St Ste 200

New Rochelle, NY 108017710

Phone: 2039523534

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location September 15, 2025

Registered at 19 OLD KINGS HWY S STE 200, DARIEN, CT 068204532 (Tel: 2039523534)

📍
Updated Business Mailing Address September 15, 2025

Registered at 14 FERRIS AVE APT 10, NORWALK, CT 068541538 (Tel: 2039529715)

👤
Provider Name / Credentials Updated September 15, 2025

Recorded as LELLIETH KEIZE, REGISTERED DIETITIAN

📍
Updated Practice Location September 24, 2020

Registered at 101 MERRITT 7 STE 300, NORWALK, CT 068511059 (Tel: 4758897953)

📍
Updated Business Mailing Address September 24, 2020

Registered at 1 ELMCREST TER APT 11, NORWALK, CT 068503971 (Tel: 2039560976)

NPI Profile Active January 07, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location January 07, 2015

Registered at 12 N 7TH AVE, MOUNT VERNON, NY 105502026 (Tel: 1914664800)

📍
Updated Business Mailing Address January 07, 2015

Registered at 149 WATER ST APT 21, NORWALK, CT 068543758 (Tel: 2039560976)

👤
Provider Name / Credentials Updated January 07, 2015

Recorded as LELLIETH LATCHMAN, REGISTERED DIETITIAN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 07, 2015

Dietitian, Registered (License #965780 in CT)

🟢
Initial NPI Registration & Enumeration February 06, 2012

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1043582026
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 06, 2012
Last Update: September 15, 2025
Sole Proprietor: Yes

Mailing Address

14 Ferris Ave Apt 10

Norwalk, CT 068541538

Phone: 2039529715

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.