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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SEAN FRANCIS O'CONNOR LMHC
NPI 1821784992
Counselor - Mental Health in White Plains, NY

Active since April 12, 2023
235 MAMARONECK AVE LOWR LEVEL, WHITE PLAINS, NY 10605(914) 236-4020 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 23, 2026, Apr 12, 2023 (2 updates tracked since 2023).

About Sean Francis O'connor Lmhc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SEAN FRANCIS O'CONNOR LMHC (NPI 1821784992) is an individual mental health provider in White Plains, New York, licensed in New York (011618) and active in the NPI registry since April 2023.

NPPES Registry Identity

NPI1821784992
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameSEAN FRANCIS O'CONNORCredential: LMHC
Location Address235 MAMARONECK AVE LOWR LEVELWhite Plains, NY 10605-1315
Mailing Address7 Rye Ridge Plz Unit 680Rye Brook, NY 10573-2822 · (914) 236-4020
Phone(914) 236-4020
Sole ProprietorNo
Enumeration DateApril 12, 2023
Last NPPES UpdateSeptember 23, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1821784992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in NY · 011618
235 MAMARONECK AVE LOWR LEVEL, White Plains, NY 10605
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sean O'connor's NPI number?

The NPI number for Sean O'connor is 1821784992. It was assigned to this individual provider in the NPPES registry on April 12, 2023.

Where is Sean O'connor located?

Sean O'connor practices at 235 Mamaroneck Ave Lowr Level, White Plains, NY 10605. The listed phone number is (914) 236-4020.

What is Sean O'connor's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Sean O'connor was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.