SEAN TENDLER LMHC
NPI 1649787672
Counselor - Mental Health in Commack, NY

Active since December 28, 2017PECOS Enrolled
368 VETERANS MEMORIAL HWY STE 3, COMMACK, NY 11725(631) 533-0315(855) 752-5170 Get Directions Write a Review

NPPES record last updated: December 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 6, 2025, Sep 9, 2024, Mar 25, 2023 and 1 more (4 updates tracked since 2017).

About Sean Tendler Lmhc NPPES

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

SEAN TENDLER LMHC (NPI 1649787672) is an individual mental health provider in Commack, New York, licensed in New York (008417) and active in the NPI registry since December 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Jericho.

NPPES Registry Identity

NPI1649787672
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameSEAN TENDLERCredential: LMHC
Location Address368 VETERANS MEMORIAL HWY STE 3Commack, NY 11725-4322
Mailing Address368 Veterans Memorial Hwy Ste 3Commack, NY 11725-4322 · (631) 268-4099
Fax(855) 752-5170
Sole ProprietorNo
Enumeration DateDecember 28, 2017
Last NPPES UpdateDecember 6, 20254 updates tracked since enumeration
NPPES CertifiedDecember 6, 2025
NPI 1649787672 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in NY · 008417
368 VETERANS MEMORIAL HWY STE 3, Commack, NY 11725

Secondary Practice Location 1

Location 1380 N Broadway Ph EJericho, NY 11753-2198 · Phone (631) 533-0315 · Fax (855) 752-5170

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Sean Tendler Lmhc 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.

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.

Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725

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 Sean Tendler's NPI number?

The NPI number for Sean Tendler is 1649787672. It was assigned to this individual provider in the NPPES registry on December 28, 2017.

Where is Sean Tendler located?

Sean Tendler practices at 368 Veterans Memorial Hwy Ste 3, Commack, NY 11725. The listed phone number is (631) 533-0315.

What is Sean Tendler's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Sean Tendler enrolled in Medicare?

Yes. Sean Tendler is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sean Tendler was last updated on December 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.