1. Home
  2. Directory
  3. New York
  4. West Islip
  5. Community Behavioral Health
  6. NPI Profile

LETITIA O. BROWN LCSW, P.C.
NPI 1104321116
Community/Behavioral Health in West Islip, NY

Active since March 30, 2018
631 MONTAUK HWY STE 5, WEST ISLIP, NY 11795(516) 761-0523(631) 588-1343 Get Directions Write a Review

NPPES record last updated: March 30, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Letitia O. Brown Lcsw, P.c. NPPES

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

LETITIA O. BROWN LCSW, P.C. (NPI 1104321116) is a healthcare organization registered as a community/behavioral health in West Islip, New York and active in the NPI registry since March 2018. The organization lists Letitia Olivia Brown, President, as its authorized official.

NPPES Registry Identity

NPI1104321116
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameLETITIA O. BROWN LCSW, P.C.
Location Address631 MONTAUK HWY STE 5West Islip, NY 11795-4400
Mailing Address631 Montauk Hwy Ste 5West Islip, NY 11795-4400 · (516) 761-0523 · Fax (631) 588-1343
Phone(516) 761-0523
Fax(631) 588-1343
Organization SubpartNo
Authorized OfficialLetitia Olivia BrownPresident · (516) 761-0523
Enumeration DateMarch 30, 2018
✔ NPI 1104321116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
License✔ Licensed in NY · 079892
Definition
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.
631 MONTAUK HWY STE 5, West Islip, NY 11795
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Letitia O. Brown Lcsw, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Letitia O. Brown Lcsw, P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Letitia Brown, LCSW
Clinical Social Worker
NPI 1356422802
1555 SUNRISE HWY SUITE 3E
Bay Shore, NY 11706
(516) 761-0523
✔ PECOS3.9 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Letitia O. Brown Lcsw, P.C.'s NPI number?

The NPI number for Letitia O. Brown Lcsw, P.C. is 1104321116. It was assigned to this organization in the NPPES registry on March 30, 2018.

Where is Letitia O. Brown Lcsw, P.C. located?

Letitia O. Brown Lcsw, P.C. is located at 631 Montauk Hwy Ste 5, West Islip, NY 11795. The listed phone number is (516) 761-0523.

What is Letitia O. Brown Lcsw, P.C.'s specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Letitia O. Brown Lcsw, P.C. enrolled in Medicare?

Yes. Letitia O. Brown Lcsw, P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Letitia O. Brown Lcsw, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Letitia O. Brown Lcsw, P.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Letitia O. Brown Lcsw, P.C. was last updated on March 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.