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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: October 18, 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
Phone(631) 533-0315
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
Open in Google Maps ↗

Secondary Practice Location 1

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

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.

Medicare Billing Reassignment

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

Sean Tendler Mental Health Counseling, P.C.
Same address
Mental Health
368 VETERANS MEMORIAL HWY STE 3
Commack, NY 11725
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Sean Tendler Mental Health Counseling PC
  • 26 clinicians in this Medicare group
NPI 1437626025 (631) 533-0315

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.

FARIAL ISLAM MHC-LP
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Suffolk County (631) 533-0315
HANNAH LEIGH VAN RONK LMHC
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Suffolk County (631) 533-0315
KRISTI SEDGWICK LMHC
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Suffolk County (631) 533-0315
IAN CONOR MEALIE LMHC
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Suffolk County (631) 533-0315
ROBERT POPP LMHC
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Suffolk County (631) 533-0315
ANGELA PAZ LMHC
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Suffolk County (631) 533-0315
JENNIFER DAVIDSON LMHC
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Suffolk County (631) 533-0315
IRENE VICTORIA BAUTISTA LMHC
Counselor (Mental Health)
368 VETERANS MEMORIAL HWY STE 3
COMMACK, NY 11725
Suffolk County (631) 533-0315

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.

Which organization bills Medicare for Sean Tendler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Tendler reassigns Medicare benefits to Sean Tendler Mental Health Counseling, P.C. (Commack, 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 Sean Tendler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sean Tendler accept?

Health plans from Oscar Health list Sean Tendler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

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 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.