Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. CLARK C. STEIN MS
NPI 1306807565
Counselor in Niagara Falls, NY

Q: What is Clark Stein's NPI number?

The NPI number for Clark Stein is 1306807565. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Q: What is Clark Stein's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Clark Stein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.

Active since March 29, 2006

345 3RD ST, SUITE 515, NIAGARA FALLS, NY 14303(716) 282-2351(716) 282-0146 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Mr. Clark C. Stein Ms NPPES

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

MR. CLARK C. STEIN MS (NPI 1306807565) is an individual counselor in Niagara Falls, New York and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1306807565

Entity TypeIndividualMale

Primary Taxonomy101Y00000X

Provider Legal NameMR. CLARK C. STEINCredential: MS

Location Address345 3RD ST, SUITE 515Niagara Falls, NY 14303-1145

Mailing Address525 Washington St, Managed Care DepartmentBuffalo, NY 14203-1711 · (716) 856-4494 · Fax (716) 842-1277

Phone(716) 282-2351

Fax(716) 282-0146

Sole ProprietorNo

Enumeration DateMarch 29, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1306807565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers

Taxonomy Code101Y00000X

Definition

A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

345 3RD ST, Niagara Falls, NY 14303

Open in Google Maps ↗

Other Identifiers 1

Other160743251-49NY · Prism

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. DEBORAH L. SCHNITZER LMSW

Counselor

345 3RD ST, SUITE 515
NIAGARA FALLS, NY 14303

Niagara County (716) 282-2351

MS. KATHERINE E. O'MARA MSW

Counselor

345 3RD ST, SUITE 515
NIAGARA FALLS, NY 14303

Niagara County (716) 282-2351

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 Clark Stein's NPI number?

The NPI number for Clark Stein is 1306807565. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Clark Stein located?

Clark Stein practices at 345 3rd St Suite 515, Niagara Falls, NY 14303. The listed phone number is (716) 282-2351.

What is Clark Stein's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Clark Stein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.