What is Brittany Hayes's NPI number?

Brittany Hayes's National Provider Identifier (NPI) is 1639707870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Brittany Hayes's specialty?

Brittany Hayes is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Brittany Hayes located?

Brittany Hayes's practice location on file with NPPES is 30 Old Kings Hwy S Fl 2, Darien, CT 06820-4551.

What is Brittany Hayes's phone number?

The practice phone number listed in the NPPES registry for Brittany Hayes is (888) 754-0398.

Is Brittany Hayes's NPI active?

Yes — Brittany Hayes's NPI (1639707870) is active in the NPPES registry as of the last update on 2022-05-02.

IndividualActive

Brittany Hayes

NPI 1639707870 · Behavior Analyst · Darien, CT

Brittany Hayes is a Behavior Analyst provider in Darien, CT (NPI 1639707870).

Provider details

NPI number: 1639707870
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 3991 (MA)

Practice location

30 Old Kings Hwy S Fl 2

Darien, CT 06820-4551

Phone: (888) 754-0398

Street-level locationGet directions

More CT providers

Mailing address

30 Old Kings Hwy S Fl 2

Darien, CT 06820-4551

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense 3991 (MA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(65/100 index)

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

Registry tenure38% of score
6 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: 2020-04-01
Last updated: 2022-05-02
Certified: 2022-05-02

Frequently asked questions

What is Brittany Hayes's NPI number?: Brittany Hayes's National Provider Identifier (NPI) is 1639707870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Brittany Hayes's specialty?: Brittany Hayes is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
Where is Brittany Hayes located?: Brittany Hayes's practice location on file with NPPES is 30 Old Kings Hwy S Fl 2, Darien, CT 06820-4551.
What is Brittany Hayes's phone number?: The practice phone number listed in the NPPES registry for Brittany Hayes is (888) 754-0398.
Is Brittany Hayes's NPI active?: Yes — Brittany Hayes's NPI (1639707870) is active in the NPPES registry as of the last update on 2022-05-02.

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