Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michelle Brennan O'Connor, BCBA
Behavior Analyst in Newtown, CT · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023491933
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Registry record
Entity type Individual (Type 1)
Name Michelle Brennan O'Connor
Credential BCBA
Sex Female
Practice address 43 Georges Hill Rd, Newtown, CT, 06470
Phone (203) 947-0829
Enumeration date Jul 9, 2015
Last updated in NPPES Jul 24, 2023
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-15-18955 (FL) Primary
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 11 (CT) Secondary
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 13481534-2506 (UT) Secondary
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.
Frequently asked questions
Where does Michelle O'Connor practice?
The practice location on file with NPPES is in Newtown, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michelle O'Connor?
The National Provider Identifier (NPI) for Michelle O'Connor is 1023491933, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-24.