Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Joanne I Oconnor, LCSW SOCIAL WORKER
Psychologist in Holbrook, NY · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1952443558
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Registry record
Entity type Individual (Type 1)
Name Mrs. Joanne I Oconnor
Credential LCSW SOCIAL WORKER
Sex Female
Practice address 800 Broadway Avenue Suite 5, Holbrook, NY, 11741
Phone (631) 689-8633
Enumeration date Feb 12, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License R0352711 (NY) Primary
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
What is the NPI number for Joanne Oconnor?
The National Provider Identifier (NPI) for Joanne Oconnor is 1952443558, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joanne Oconnor practice?
The practice location on file with NPPES is in Holbrook, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.