What is Nancy Sedlack's NPI number?

Nancy Sedlack's National Provider Identifier (NPI) is 1295292514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nancy Sedlack's specialty?

Nancy Sedlack is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Nancy Sedlack located?

Nancy Sedlack's practice location on file with NPPES is 36 Old Kings Hwy S Ste 310, Darien, CT 06820-4523.

What is Nancy Sedlack's phone number?

The practice phone number listed in the NPPES registry for Nancy Sedlack is (203) 655-3307.

Is Nancy Sedlack's NPI active?

Yes — Nancy Sedlack's NPI (1295292514) is active in the NPPES registry as of the last update on 2019-02-22.

IndividualActive

Nancy Sedlack, PHD

NPI 1295292514 · Psychologist · Darien, CT

Nancy Sedlack, PHD is a Psychologist provider in Darien, CT (NPI 1295292514).

Provider details

NPI number: 1295292514
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Female
Sole proprietor: Yes
License: 001879 (CT)

Practice location

36 Old Kings Hwy S Ste 310

Darien, CT 06820-4523

Phone: (203) 655-3307

Street-level locationGet directions

More CT providers

Mailing address

12 Knollwood Ln

Darien, CT 06820-2813

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 001879 (CT)
Behavioral Health & Social Service Providers
Clinical Psychologist103TC0700XLicense 001879 (CT)
Behavioral Health & Social Service Providers
Clinical Child & Adolescent Psychologist103TC2200X
Behavioral Health & Social Service Providers
Family Psychologist103TF0000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(67/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 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: 2019-02-22
Last updated: 2019-02-22

Frequently asked questions

What is Nancy Sedlack's NPI number?: Nancy Sedlack's National Provider Identifier (NPI) is 1295292514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Nancy Sedlack's specialty?: Nancy Sedlack is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
Where is Nancy Sedlack located?: Nancy Sedlack's practice location on file with NPPES is 36 Old Kings Hwy S Ste 310, Darien, CT 06820-4523.
What is Nancy Sedlack's phone number?: The practice phone number listed in the NPPES registry for Nancy Sedlack is (203) 655-3307.
Is Nancy Sedlack's NPI active?: Yes — Nancy Sedlack's NPI (1295292514) is active in the NPPES registry as of the last update on 2019-02-22.

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