Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Willo Wisotsky, PH.D.
Health Psychologist in Commack, NY · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1265679039
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Registry record
Entity type Individual (Type 1)
Name Willo Wisotsky
Credential PH.D.
Sex Female
Practice address 35 Crooked Hill Rd, Suite 203, Commack, NY, 11725
Phone (631) 804-8830
Enumeration date Jan 14, 2009
Last updated in NPPES Sep 6, 2018
Taxonomy & licenses
103TB0200X Cognitive & Behavioral Psychologist Behavioral Health & Social Service Providers · License 016173 (NY) Secondary
103TH0004X Health Psychologist Behavioral Health & Social Service Providers · License 016173 (NY) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Willo Wisotsky practice?
The practice location on file with NPPES is in Commack, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Willo Wisotsky?
The National Provider Identifier (NPI) for Willo Wisotsky is 1265679039, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Stephen Guido Clinical Psychologist · Commack, NY NPI 1588698070 Glenda Gregory Clinical Social Worker · Commack, NY NPI 1427107960 Jeffery Pomerantz Clinical Child & Adolescent Psychologist · Commack, NY NPI 1215087010 Dominick Scalise Clinical Social Worker · Commack, NY NPI 1083755078 James Browne Clinical Psychologist · Commack, NY NPI 1194946525 Caren Newman Psychologist · Commack, NY NPI 1831429927 Lisa Gische Clinical Psychologist · Commack, NY NPI 1508196536 Hedy Montalvo Clinical Social Worker · Commack, NY NPI 1831463603
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-06.