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

DR. NICOLAS JON SCHLIENZ PH.D.
NPI 1801306618
Psychologist - Clinical in Williamsville, NY

Q: What is Nicolas Schlienz's NPI number?

The NPI number for Nicolas Schlienz is 1801306618. It was assigned to this individual provider in the NPPES registry on October 6, 2017.

Q: What is Nicolas Schlienz's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Nicolas Schlienz was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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 October 06, 2017

5500 MAIN ST STE 265, WILLIAMSVILLE, NY 14221(716) 341-4740 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Nicolas Jon Schlienz Ph.d. NPPES

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

DR. NICOLAS JON SCHLIENZ PH.D. (NPI 1801306618) is an individual clinical provider in Williamsville, New York, licensed in New York (028159) and active in the NPI registry since October 2017.

NPPES Registry Identity

NPI1801306618

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. NICOLAS JON SCHLIENZCredential: PH.D.

Location Address5500 MAIN ST STE 265Williamsville, NY 14221-6746

Mailing Address5500 Main St Ste 265Williamsville, NY 14221-6746 · (716) 204-8459

Phone(716) 341-4740

Sole ProprietorNo

Enumeration DateOctober 6, 2017

Last NPPES UpdateJuly 23, 2026

NPPES CertifiedJuly 23, 2026

✔ NPI 1801306618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in NY · 028159

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

5500 MAIN ST STE 265, Williamsville, NY 14221

Open in Google Maps ↗

Other Providers at the Same Location NPPES

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

DR. JULIE GASS

Psychologist (Clinical)

5500 MAIN ST STE 265
WILLIAMSVILLE, NY 14221

Erie County (716) 341-4740

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 Nicolas Schlienz's NPI number?

The NPI number for Nicolas Schlienz is 1801306618. It was assigned to this individual provider in the NPPES registry on October 6, 2017.

Where is Nicolas Schlienz located?

Nicolas Schlienz practices at 5500 Main St Ste 265, Williamsville, NY 14221. The listed phone number is (716) 341-4740.

What is Nicolas Schlienz's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Nicolas Schlienz was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.