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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

JOANNE E SLEZAK BCBA, LBA
NPI 1205740545
Behavior Analyst in Gloversville, NY

Active since October 02, 2026
234 LINCOLN ST, GLOVERSVILLE, NY 12078(518) 775-5788 Get Directions Write a Review

NPPES record added: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Joanne E Slezak Bcba, Lba NPPES

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

JOANNE E SLEZAK BCBA, LBA (NPI 1205740545) is an individual behavior analyst provider in Gloversville, New York, licensed in New York (004349) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1205740545
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameJOANNE E SLEZAKCredential: BCBA, LBA
Location Address234 LINCOLN STGloversville, NY 12078-1935
Mailing Address5404 Jockey StGalway, NY 12074-2026 · (518) 775-5742
Phone(518) 775-5788
Sole ProprietorNo
Enumeration DateOctober 2, 2026
NPPES CertifiedOctober 2, 2026
✔ NPI 1205740545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
License✔ Licensed in NY · 004349
Definition
A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.
234 LINCOLN ST, Gloversville, NY 12078
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Other Providers at the Same Location NPPES 8

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

MRS. SHELLY MARIE FENNESSEY
Physical Therapist
234 LINCOLN ST
GLOVERSVILLE, NY 12078
Fulton County (518) 775-5790
ALEXANDRIA CHACE M.S.ED., CCC-SLP
Speech-Language Pathologist
234 LINCOLN ST
GLOVERSVILLE, NY 12078
Fulton County (518) 775-5760
ST. MARY'S HOSPITAL
Special Hospital
234 LINCOLN ST
GLOVERSVILLE, NY 12078
Fulton County (518) 775-5723
MRS. CATHERINE HAMMONS LCSW
Social Worker (Clinical)
234 LINCOLN ST
GLOVERSVILLE, NY 12078
Fulton County (518) 775-5720
JAMIE L PAGE COTA
Occupational Therapy Assistant
234 LINCOLN ST
GLOVERSVILLE, NY 12078
Fulton County (518) 775-5790
GLOVERSVILLE ENLARGED SCHOOL DISTRICT
Local Education Agency (LEA)
234 LINCOLN ST
GLOVERSVILLE, NY 12078
Fulton County (518) 775-5796
LORI PEPPER LISIESKI
Social Worker (Clinical)
234 LINCOLN ST
GLOVERSVILLE, NY 12078
Fulton County (518) 775-5723
HEIDI MERRIE BLACKFORD RN
Registered Nurse
234 LINCOLN ST
GLOVERSVILLE, NY 12078
Fulton County (518) 706-8948

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 Joanne Slezak's NPI number?

The NPI number for Joanne Slezak is 1205740545. It was assigned to this individual provider in the NPPES registry on October 2, 2026.

Where is Joanne Slezak located?

Joanne Slezak practices at 234 Lincoln St, Gloversville, NY 12078. The listed phone number is (518) 775-5788.

What is Joanne Slezak's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

When was this NPI record last updated?

The NPPES record for Joanne Slezak was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.