Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. John C Wisker Jr.

Individual provider Behavior Analyst · NPI 1235015074

Mr. John C Wisker Jr. is a Behavior Analyst in Westbury, New York. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

1400 Old Country Rd Ste C103N
Westbury, NY 11590-5156
Phone: (845) 531-7741
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1235015074
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedAugust 15, 2025
Last updated in NPPESAugust 15, 2025
Certification dateAugust 15, 2025

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