Sidney Gerken, BCBA, LBA-CT

Sidney Gerken is a Behavior Analyst provider (Behavior Analyst) practicing in New Fairfield, CT, registered in the NPPES registry with NPI 1346114147 since 2025.

✓ Active NPI ✓ Valid NPI checksum

NPI	1346114147
Entity type	Individual (Type 1)
Name	Sidney Gerken
Credential	BCBA, LBA-CT
Sex	Female
Practice address	24 GILLOTTI RD, New Fairfield, CT, 06812
Phone	2033125940
Enumeration date	2025-10-03
Last updated in NPPES	2025-10-03

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103K00000X	Behavior Analyst	Primary	1-25-83047	CT

Copy-ready billing details

Provider: Sidney Gerken, BCBA, LBA-CT
NPI: 1346114147
Taxonomy: 103K00000X (Behavior Analyst)
Address: 24 GILLOTTI RD, New Fairfield, CT, 06812

Verify this record

Cross-check NPI 1346114147 against the authoritative CMS record: view Sidney Gerken 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

Where does Sidney Gerken practice?

The practice location on file with NPPES is in New Fairfield, CT. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Sidney Gerken?

The National Provider Identifier (NPI) for Sidney Gerken is 1346114147, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-10-03.