Siobhan Most
Siobhan Most is a Behavior Analyst provider (Behavior Analyst) practicing in Darien, CT, registered in the NPPES registry with NPI 1982065967 since 2016.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1982065967 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Siobhan Most |
| Sex | Female |
| Practice address | 30 OLD KINGS HWY S FL 2, Darien, CT, 06820 |
| Phone | 8887540398 |
| Fax | 9549826491 |
| Enumeration date | 2016-03-17 |
| Last updated in NPPES | 2024-06-14 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 222Q00000X | Developmental Therapist | Secondary | — | — |
| 103K00000X | Behavior Analyst | Primary | — | — |
Copy-ready billing details
Provider: Siobhan Most NPI: 1982065967 Taxonomy: 103K00000X (Behavior Analyst) Address: 30 OLD KINGS HWY S FL 2, Darien, CT, 06820
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1619237146 | Kristen De Franco | Individual | Behavior Analyst | Darien, CT |
| 1558776419 | Allison Savoie | Individual | Behavior Analyst | Darien, CT |
| 1568906576 | Daria Blackham | Individual | Professional Counselor | Darien, CT |
| 1639707870 | Brittany Hayes | Individual | Behavior Analyst | Darien, CT |
Verify this record
Cross-check NPI 1982065967 against the authoritative CMS record: view Siobhan Most on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2024-06-14.