1. Home
  2. Directory
  3. New York
  4. Smithtown
  5. Counselor
  6. NPI Profile

MS. STACY KANEN-GREEN LCSW
NPI 1598777955
Counselor - Addiction (Substance Use Disorder) in Smithtown, NY

Active since August 13, 2006PECOS EnrolledAccepts Medicare Assignment
11 ROUTE 111, SMITHTOWN, NY 11787(631) 920-8300(631) 920-8460 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Stacy Kanen-green Lcsw NPPES

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

MS. STACY KANEN-GREEN LCSW (NPI 1598777955) is an individual addiction (substance use disorder) provider in Smithtown, New York, licensed in New York (12340) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1598777955
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMS. STACY KANEN-GREENCredential: LCSW
Location Address11 ROUTE 111Smithtown, NY 11787-3712
Mailing Address7 Walker AveSyosset, NY 11791-4028 · (516) 884-2471
Phone(631) 920-8300
Fax(631) 920-8460
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateAugust 13, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1598777955 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 · 12340
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 0444701 (NY)
11 ROUTE 111, Smithtown, NY 11787
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Stacy Kanen-green Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103929872
PECOS Enrollment IDI20070319000053
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 Reassignments

2

Medicare enrollment records show Stacy Kanen-green reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

New Horizon Counseling Center Inc
36 mi
Mental Health (Including Community Mental Health Center)
10819 ROCKAWAY BLVD
South Ozone Park, NY 11420
  • Reassigned Medicare billing, New York enrollment
  • 187 clinicians in this Medicare group
NPI 1366430563 (718) 845-2620
Senior Living Behavioral Health Lcsw PLLC
42 mi
Clinical
747 3RD AVE, 2ND FLOOR
New York, NY 10017
  • Reassigned Medicare billing, New York enrollment
  • 58 clinicians in this Medicare group
NPI 1083150056 (800) 829-0115

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.

MR. KEVFOY LENROY FLETCHER MASTERS IN SOCIAL WK
Counselor
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8303
STEPHANIE GRANATA
Student in an Organized Health Care Education/Training Program
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8300
LAURA CARRANO
Student in an Organized Health Care Education/Training Program
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8306
GAYLE MCCARTHY LCSW
Social Worker (Clinical)
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8300
VAISHNAVI VADDIGIRI M.D.
Psychiatry & Neurology (Psychiatry)
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8300
ALICIA MERCADO
Case Manager/Care Coordinator
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8346
AMANDA M COSTA
Case Manager/Care Coordinator
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8303
PAMELA PAGONES
Student in an Organized Health Care Education/Training Program
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8306

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 Stacy Kanen-green's NPI number?

The NPI number for Stacy Kanen-green is 1598777955. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Stacy Kanen-green located?

Stacy Kanen-green practices at 11 Route 111, Smithtown, NY 11787. The listed phone number is (631) 920-8300.

What is Stacy Kanen-green's specialty?

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

Is Stacy Kanen-green enrolled in Medicare?

Yes. Stacy Kanen-green is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Stacy Kanen-green's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Kanen-green reassigns Medicare benefits to 2 organizations: New Horizon Counseling Center Inc (South Ozone Park, NY) and Senior Living Behavioral Health Lcsw PLLC (New York, NY). Each 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 Stacy Kanen-green'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 Stacy Kanen-green was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.