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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.

CHAD THEALL LMSW
NPI 1952139172
Social Worker in Hicksville, NY

Active since July 22, 2024
950 SOUTH OYSTER BAY ROAD, HICKSVILLE, NY 11801(516) 822-6111 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 25, 2026, Jul 22, 2024 (2 updates tracked since 2024).

About Chad Theall Lmsw NPPES

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

CHAD THEALL LMSW (NPI 1952139172) is an individual social worker in Hicksville, New York, licensed in New York (120976) and active in the NPI registry since July 2024.

NPPES Registry Identity

NPI1952139172
Entity TypeIndividual
Primary Taxonomy104100000X
Provider Legal NameCHAD THEALLCredential: LMSW
Location Address950 SOUTH OYSTER BAY ROADHicksville, NY 11801-3510
Mailing Address36 Vautrin AveHoltsville, NY 11742-1624 · (631) 816-6744
Phone(516) 822-6111
Sole ProprietorYes
Enumeration DateJuly 22, 2024
Last NPPES UpdateAugust 25, 20262 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1952139172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in NY · 120976
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
950 SOUTH OYSTER BAY ROAD, Hicksville, NY 11801
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. YVES-MARTINE LAMARRE RN
Registered Nurse
950 SOUTH OYSTER BAY ROAD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
SARA NICOLE RUSSO
Counselor
950 SOUTH OYSTER BAY ROAD
HICKSVILLE, NY 11801
Nassau County (516) 433-7681
ASHLEIGH DEVIVO
Counselor (Mental Health)
950 SOUTH OYSTER BAY ROAD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
DEIRDRE ANN PARNELL
Counselor (Mental Health)
950 SOUTH OYSTER BAY ROAD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
ELIAS NAUTH
Counselor
950 SOUTH OYSTER BAY ROAD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
STEVEN ROTHMAN
Student in an Organized Health Care Education/Training Program
950 SOUTH OYSTER BAY ROAD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
GREGORY CALEB MILLER LMSW
Social Worker
950 SOUTH OYSTER BAY ROAD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
BRIGITTE EDMA
Case Manager/Care Coordinator
950 SOUTH OYSTER BAY ROAD
HICKSVILLE, NY 11801
Nassau County (516) 492-1591

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 Chad Theall's NPI number?

The NPI number for Chad Theall is 1952139172. It was assigned to this individual provider in the NPPES registry on July 22, 2024.

Where is Chad Theall located?

Chad Theall practices at 950 South Oyster Bay Road, Hicksville, NY 11801. The listed phone number is (516) 822-6111.

What is Chad Theall's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Chad Theall was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.