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MR. SEOUNGYEUN CHANG
NPI 1912749730
Counselor - Mental Health in Commack, NY

Active since June 11, 2024
368 VETERANS MEMORIAL HWY STE 3, COMMACK, NY 11725(631) 533-0315 Get Directions Write a Review

NPPES record last updated: December 31, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 31, 2025, Jun 11, 2024 (2 updates tracked since 2024).

About Mr. Seoungyeun Chang NPPES

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

MR. SEOUNGYEUN CHANG (NPI 1912749730) is an individual mental health provider in Commack, New York, licensed in New York (P139843) and active in the NPI registry since June 2024.

NPPES Registry Identity

NPI1912749730
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. SEOUNGYEUN CHANG
Location Address368 VETERANS MEMORIAL HWY STE 3Commack, NY 11725-4322
Mailing Address368 Veterans Memorial Hwy Ste 3Commack, NY 11725-4322 · (631) 533-0315
Phone(631) 533-0315
Sole ProprietorYes
Enumeration DateJune 11, 2024
Last NPPES UpdateDecember 31, 20252 updates tracked since enumeration
NPPES CertifiedDecember 31, 2025
✔ NPI 1912749730 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 · P139843
368 VETERANS MEMORIAL HWY STE 3, Commack, NY 11725
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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
JACQUELYN ANGELA JACKSON LMHC
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

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 Seoungyeun Chang's NPI number?

The NPI number for Seoungyeun Chang is 1912749730. It was assigned to this individual provider in the NPPES registry on June 11, 2024.

Where is Seoungyeun Chang located?

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

What is Seoungyeun Chang's specialty?

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

When was this NPI record last updated?

The NPPES record for Seoungyeun Chang was last updated on December 31, 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.