What is Deborah Nelson's NPI number?

Deborah Nelson's National Provider Identifier (NPI) is 1811465891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Deborah Nelson's specialty?

Deborah Nelson is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).

Where is Deborah Nelson located?

Deborah Nelson's practice location on file with NPPES is 111 West Ave, Darien, CT 06820-4307.

What is Deborah Nelson's phone number?

The practice phone number listed in the NPPES registry for Deborah Nelson is (203) 820-4800.

Is Deborah Nelson's NPI active?

Yes — Deborah Nelson's NPI (1811465891) is active in the NPPES registry as of the last update on 2018-11-07.

IndividualActive

Deborah Nelson, MS, CDN

NPI 1811465891 · Nutritionist · Darien, CT

Deborah Nelson, MS, CDN is a Nutritionist provider in Darien, CT (NPI 1811465891).

Provider details

NPI number: 1811465891
Entity type: Individual
Primary specialty: NutritionistDietary & Nutritional Service Providers
Credential: MS, CDN
Sex: Female
Sole proprietor: Yes
License: 1708 (CT)

Practice location

111 West Ave

Darien, CT 06820-4307

Phone: (203) 820-4800

Street-level locationGet directions

More CT providers

Mailing address

111 West Ave

Darien, CT 06820-4307

Specialties & taxonomies

NutritionistPrimary133N00000XLicense 1708 (CT)
Dietary & Nutritional Service Providers

Profile Score

Established profile(68/100 index)

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.

Enumerated: 2018-11-07
Last updated: 2018-11-07

Frequently asked questions

What is Deborah Nelson's NPI number?: Deborah Nelson's National Provider Identifier (NPI) is 1811465891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Deborah Nelson's specialty?: Deborah Nelson is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).
Where is Deborah Nelson located?: Deborah Nelson's practice location on file with NPPES is 111 West Ave, Darien, CT 06820-4307.
What is Deborah Nelson's phone number?: The practice phone number listed in the NPPES registry for Deborah Nelson is (203) 820-4800.
Is Deborah Nelson's NPI active?: Yes — Deborah Nelson's NPI (1811465891) is active in the NPPES registry as of the last update on 2018-11-07.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions