OAK COUNSELING SERVICES LCSW PLLC
NPI 1811883101
Clinic/Center - Mental Health (Including Community Mental Health Center) in West Islip, NY

Active since June 14, 2025
615 CENTER BAY DR, WEST ISLIP, NY 11795(631) 873-6111 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 30, 2025, Jun 14, 2025 (2 updates tracked since 2025).

About Oak Counseling Services Lcsw Pllc NPPES

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

OAK COUNSELING SERVICES LCSW PLLC (NPI 1811883101) is a healthcare organization registered as a mental health (including community mental health center) in West Islip, New York and active in the NPI registry since June 2025. The organization lists Christina Elizabeth Morrone, Ceo/president, as its authorized official.

NPPES Registry Identity

NPI1811883101
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameOAK COUNSELING SERVICES LCSW PLLC
Location Address615 CENTER BAY DRWest Islip, NY 11795-4813
Mailing Address615 Center Bay DrWest Islip, NY 11795-4813 · (631) 873-6111
Organization SubpartNo
Authorized OfficialChristina Elizabeth MorroneCeo/president · (631) 873-6111
Enumeration DateJune 14, 2025
Last NPPES UpdateDecember 30, 20252 updates tracked since enumeration
NPPES CertifiedDecember 30, 2025
✔ NPI 1811883101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
Also ListedClinic/Center · Adult Mental HealthTaxonomy 261QM0850X
615 CENTER BAY DR, West Islip, NY 11795

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oak Counseling Services Lcsw Pllc 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 Oak Counseling Services Lcsw PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Clinical Social Worker
NPI 1982208823
615 CENTER BAY DR
West Islip, NY 11795
(516) 418-7701
✔ PECOSSame address

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 Oak Counseling Services Lcsw PLLC's NPI number?

The NPI number for Oak Counseling Services Lcsw PLLC is 1811883101. It was assigned to this organization in the NPPES registry on June 14, 2025.

Where is Oak Counseling Services Lcsw PLLC located?

Oak Counseling Services Lcsw PLLC is located at 615 Center Bay Dr, West Islip, NY 11795. The listed phone number is (631) 873-6111.

What is Oak Counseling Services Lcsw PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Is Oak Counseling Services Lcsw PLLC enrolled in Medicare?

Yes. Oak Counseling Services Lcsw PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oak Counseling Services Lcsw PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Oak Counseling Services Lcsw PLLC. 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 Oak Counseling Services Lcsw PLLC was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.