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MR. GREGORY NATHAN BROWN CASAC
NPI 1740629609
Counselor - Addiction (Substance Use Disorder) in Huntington, NY

Active since June 24, 2013PECOS Enrolled
55 HORIZON DR, HUNTINGTON, NY 11743(631) 920-8068 Get Directions Write a Review

NPPES record last updated: June 24, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Gregory Nathan Brown Casac NPPES

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

MR. GREGORY NATHAN BROWN CASAC (NPI 1740629609) is an individual addiction (substance use disorder) provider in Huntington, New York, licensed in New York (26634) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740629609
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. GREGORY NATHAN BROWNCredential: CASAC
Location Address55 HORIZON DRHuntington, NY 11743-4436
Mailing AddressPo Box 96Brentwood, NY 11717-0096 · (631) 466-6124
Phone(631) 920-8068
Sole ProprietorNo
Enumeration DateJune 24, 2013
✔ NPI 1740629609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in NY · 26634
Also ListedCounselor · PastoralTaxonomy 101YP1600X
55 HORIZON DR, Huntington, NY 11743
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Gregory Nathan Brown Casac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Center For Community Alternatives, Inc.
32 mi
Rehabilitation, Substance Use Disorder
25 CHAPEL ST STE 701
Brooklyn, NY 11201
  • Reassigned Medicare billing, New York enrollment
  • 4 clinicians in this Medicare group
NPI 1003008301 (718) 858-9658

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

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.

DANA BURTON
Counselor (Addiction (Substance Use Disorder))
55 HORIZON DR
HUNTINGTON, NY 11743
Suffolk County (631) 920-8000
MS. ASHLEY NOEL FERRUFINO LMHC, CASAC
Counselor (Mental Health)
55 HORIZON DR
HUNTINGTON, NY 11743
Suffolk County (631) 396-2300
MISS STEFANI LAUREN CATANZANO
Counselor (Mental Health)
55 HORIZON DR
HUNTINGTON, NY 11743
Suffolk County (631) 920-8030
SEBASTIEN PIERRE
Registered Nurse
55 HORIZON DR
HUNTINGTON, NY 11743
Suffolk County (718) 559-0516
PEDERSON-KRAG CENTER INC
Clinic/Center (Multi-Specialty)
55 HORIZON DR
HUNTINGTON, NY 11743
Suffolk County (631) 920-8000
ROD HAMILTON I
Registered Nurse
55 HORIZON DR
HUNTINGTON, NY 11743
Suffolk County (631) 920-8000
SAVANNAH LUCIA BONCIC
Student in an Organized Health Care Education/Training Program
55 HORIZON DR
HUNTINGTON, NY 11743
Suffolk County (631) 396-2300
CAITLYN FIGOSKI
Social Worker (Clinical)
55 HORIZON DR
HUNTINGTON, NY 11743
Suffolk County (631) 920-8000

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 Gregory Brown's NPI number?

The NPI number for Gregory Brown is 1740629609. It was assigned to this individual provider in the NPPES registry on June 24, 2013.

Where is Gregory Brown located?

Gregory Brown practices at 55 Horizon Dr, Huntington, NY 11743. The listed phone number is (631) 920-8068.

What is Gregory Brown's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Gregory Brown enrolled in Medicare?

Yes. Gregory Brown is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Brown reassigns Medicare benefits to Center For Community Alternatives, Inc. (Brooklyn, NY). The 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 Gregory Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Brown was last updated on June 24, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.