What is Siobhan Most's NPI number?

Siobhan Most's National Provider Identifier (NPI) is 1982065967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Siobhan Most's specialty?

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

Where is Siobhan Most located?

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

What is Siobhan Most's phone number?

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

Is Siobhan Most's NPI active?

Yes — Siobhan Most's NPI (1982065967) is active in the NPPES registry as of the last update on 2024-06-14.

IndividualActive

Siobhan Most

NPI 1982065967 · Behavior Analyst · Darien, CT

Siobhan Most is a Behavior Analyst provider in Darien, CT (NPI 1982065967).

Provider details

NPI number: 1982065967
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Practice location

30 Old Kings Hwy S Fl 2

Darien, CT 06820-4551

Phone: (888) 754-0398

Fax: (954) 982-6491

Street-level locationGet directions

More CT providers

Mailing address

6416 Nw 5th Way

Fort Lauderdale, FL 33309-6112

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers
Developmental Therapist222Q00000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Established profile(66/100 index)

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

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
83% 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: 2016-03-17
Last updated: 2024-06-14
Certified: 2024-06-14

Frequently asked questions

What is Siobhan Most's NPI number?: Siobhan Most's National Provider Identifier (NPI) is 1982065967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Siobhan Most's specialty?: Siobhan Most is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
Where is Siobhan Most located?: Siobhan Most's practice location on file with NPPES is 30 Old Kings Hwy S Fl 2, Darien, CT 06820-4551.
What is Siobhan Most's phone number?: The practice phone number listed in the NPPES registry for Siobhan Most is (888) 754-0398.
Is Siobhan Most's NPI active?: Yes — Siobhan Most's NPI (1982065967) is active in the NPPES registry as of the last update on 2024-06-14.

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