FAMILY SERVICE LEAGUE, INC.
NPI 1528093242
Community/Behavioral Health in Huntington, NY

Active since July 11, 2006
790 PARK AVE, HUNTINGTON, NY 11743(631) 427-3700 Get Directions Write a Review

NPPES record last updated: July 22, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 22, 2021, Jul 14, 2021, May 19, 2021 and 2 more (5 updates tracked since 2021).

About Family Service League, Inc. NPPES

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

FAMILY SERVICE LEAGUE, INC. (NPI 1528093242) is a healthcare organization registered as a community/behavioral health in Huntington, New York and active in the NPI registry since July 2006. The organization maintains 29 additional practice locations and lists Jeffrey Steigman, Chief Administrative And Innovation, as its authorized official.

NPPES Registry Identity

NPI1528093242
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameFAMILY SERVICE LEAGUE, INC.
Location Address790 PARK AVEHuntington, NY 11743-4516
Mailing Address790 Park AveHuntington, NY 11743-4516 · (631) 427-3700 · Fax (631) 427-0287
Organization SubpartNo
Authorized OfficialJeffrey SteigmanChief Administrative And Innovation · (631) 427-3700
Enumeration DateJuly 11, 2006
Last NPPES UpdateJuly 22, 20215 updates tracked since enumeration
NPPES CertifiedJuly 22, 2021
✔ NPI 1528093242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
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.
790 PARK AVE, Huntington, NY 11743

Secondary Practice Locations 29

Location 11444 5th AveBay Shore, NY 11706-4147 · Phone (631) 647-3100
Location 2320 Carleton Ave, 8th floorCentral Islip, NY 11722-3619 · Phone (631) 663-4300
Location 3316 Accobonac RdEast Hampton, NY 11937-1931 · Phone (631) 324-3344
Location 42 Long LnEast Hampton, NY 11937-2506 · Phone (631) 329-4130
Location 52280 N Ocean AveFarmingville, NY 11738-2911 · Phone (631) 698-7828
Location 6465 Blue Point Rd Ste A&bFarmingville, NY 11738-1839 · Phone (631) 283-4843
Location 7284 Pulaski RdGreenlawn, NY 11740-1602 · Phone (631) 425-5250
Location 821 Sterlington CommonsGreenport, NY 11944 · Phone (631) 477-4067
Location 95 Squiretown RdHampton Bays, NY 11946-2011 · Phone (631) 728-5300
Location 101 Kings HwyHauppauge, NY 11788-4216 · Phone (631) 348-4900
Location 1190 Adams AveHauppauge, NY 11788-3604 · Phone (934) 223-6500
Location 1255 Horizon DrHuntington, NY 11743-4436 · Phone (631) 369-2300
Location 13140 Woodhull RdHuntington, NY 11743-3761 · Phone (631) 673-2030
Location 14188 Oakwood RdHuntington, NY 11743-4295 · Phone (631) 673-2001
Location 1520 Greenlawn RdHuntington, NY 11743-2926 · Phone (631) 673-2030
Location 161235 Montauk HwyMastic, NY 11950-2917 · Phone (631) 924-3741
Location 177555 Main RdMattituck, NY 11952-1516 · Phone (631) 298-8642
Location 187905 Main RdMattituck, NY 11952-1516 · Phone (631) 298-2030
Location 19208 Roanoke AveRiverhead, NY 11901-2706 · Phone (631) 284-2565
Location 20400 W Main St Ste 300Riverhead, NY 11901-2813 · Phone (631) 369-0104
Location 21700 Harrison AveRiverhead, NY 11901-2780 · Phone (631) 369-6727
Location 22600 Harrison AveRiverhead, NY 11901-2741 · Phone (631) 369-6759
Location 2334 Commerce Dr, Ste 2Riverhead, NY 11901-3174 · Phone (631) 722-8880
Location 24365 County Road 39A Unit 14Southampton, NY 11968-5243 · Phone (631) 726-8033
Location 25444 N Sea RdSouthampton, NY 11968-2057 · Phone (631) 283-4843
Location 26468 Magee St, Rm 124BSouthampton, NY 11968-3216 · Phone (631) 283-3550
Location 271377 5th AveBay Shore, NY 11706-4131 · Phone (631) 647-3265
Location 28801 Crooked Hill RdBrentwood, NY 11717-1045 · Phone (631) 273-9800
Location 291448 5th AveBayshore, NY 11706-4147 · Phone (631) 309-6900

Other Identifiers 4

Medicaid03079196NY
Medicaid02212128NY
Medicaid02996069NY
Medicaid000659412NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Family Service League, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

120

Medicare enrollment records show 120 clinicians reassign Medicare billing to Family Service League, Inc., which bills Medicare for the services they deliver. Of these, 8 practice at this address and 38 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Clinical Social Worker50
Nurse Practitioner41
Mental Health Counselor14
Psychiatry14
Clinical Psychologist1

Nearest to this location (20)

See all 120
Mental Health Counselor
NPI 1912603010
790 PARK AVE
Huntington, NY 11743
(631) 427-3700
✔ PECOSSame address
Nurse Practitioner
NPI 1780155382
790 PARK AVE
Huntington, NY 11743
(631) 427-3700
✔ PECOSSame address
Nurse Practitioner
NPI 1023459740
790 PARK AVENUE
Huntington, NY 11743
(631) 427-3700
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1689148900
790 PARK AVE
Huntington, NY 11743
(631) 427-3700
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1023813466
790 PARK AVE
Huntington, NY 11743
(631) 427-4001
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1770651572
790 PARK AVE STEPPING STONE CDT FAMILY SERVICE LEAGUE
Huntington, NY 11743
(631) 427-4001
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1811023203
790 PARK AVE STEPPING STONES
Huntington, NY 11743
(631) 427-4001
✔ PECOSSame address
Clinical Social Worker
NPI 1235241555
790 PARK AVE
Huntington, NY 11743
(631) 663-4300
✔ PECOSSame address
Psychiatry
NPI 1306003181
5 HARBORFIELDS CT
Greenlawn, NY 11740
(631) 745-8584
✔ PECOS1.1 mi
Clinical Social Worker
NPI 1750685590
55 HORIZON DRIVE
Huntington, NY 11743
(631) 920-8000
✔ PECOS✔ Accepts Medicare1.7 mi
Clinical Social Worker
NPI 1932045374
55 HORIZON DR
Huntington, NY 11743
(631) 396-2300
✔ PECOS✔ Accepts Medicare1.7 mi
Psychiatry
NPI 1124049226
55 HORIZON DR
Huntington, NY 11743
(631) 920-8000
✔ PECOS1.7 mi
Clinical Social Worker
NPI 1477574333
55 HORIZON DR
Huntington, NY 11743
(631) 920-8000
✔ PECOS✔ Accepts Medicare1.7 mi
Mental Health Counselor
NPI 1952932014
55 HORIZON DR
Huntington, NY 11743
(631) 396-2333
✔ PECOS✔ Accepts Medicare1.7 mi
Mental Health Counselor
NPI 1598377061
55 HORIZON DR
Huntington, NY 11743
(631) 396-2300
✔ PECOS1.7 mi
Nurse Practitioner
NPI 1891172227
55 HORIZON DR
Huntington, NY 11743
(631) 396-2300
✔ PECOS✔ Accepts Medicare1.7 mi
Nurse Practitioner
NPI 1346257763
55 HORIZON DR
Huntington, NY 11743
(631) 920-8056
✔ PECOS1.7 mi
Nurse Practitioner
NPI 1578822672
509 8TH AVE
East Northport, NY 11731
(516) 761-3489
✔ PECOS3.3 mi
Psychiatry
NPI 1780644229
283 COMMACK RD SUITE LL3
Commack, NY 11725
(631) 462-8636
✔ PECOS✔ Accepts Medicare5.2 mi
Clinical Social Worker
NPI 1184871527
151 BURRS LN BRIDGES TO HEALTH PROGRAM
Dix Hills, NY 11746
(631) 213-0232
✔ PECOS✔ Accepts Medicare5.6 mi
See all 120 clinicians

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 Family Service League, Inc.'s NPI number?

The NPI number for Family Service League, Inc. is 1528093242. It was assigned to this organization in the NPPES registry on July 11, 2006.

Where is Family Service League, Inc. located?

Family Service League, Inc. is located at 790 Park Ave, Huntington, NY 11743. The listed phone number is (631) 427-3700.

What is Family Service League, Inc.'s specialty?

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

Is Family Service League, Inc. enrolled in Medicare?

Yes. Family Service League, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Family Service League, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 120 clinicians in 5 Medicare specialties reassign their Medicare billing to Family Service League, Inc.. 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. The largest specialties are Clinical Social Worker (50), Nurse Practitioner (41) and Mental Health Counselor (14). Of these, 8 practice at this address and 38 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Family Service League, Inc. was last updated on July 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.