Dr. David Lawrence Kessler, PHD

Dr. David Lawrence Kessler is a Psychologist provider (Psychologist) practicing in Commack, NY, registered in the NPPES registry with NPI 1497860084 since 2006. The credential PHD stands for Doctor of Philosophy.

✓ Active NPI ✓ Valid NPI checksum

NPI	1497860084
Entity type	Individual (Type 1)
Name	Dr. David Lawrence Kessler
Credential	PHD
Sex	Male
Practice address	356 VETERAN'S HIGHWAY, Commack, NY, 11725
Phone	6312710032
Enumeration date	2006-08-21
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103T00000X	Psychologist	Primary	008414	NY

PHD — Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Copy-ready billing details

Provider: David Kessler, PHD
NPI: 1497860084
Taxonomy: 103T00000X (Psychologist)
Address: 356 VETERAN'S HIGHWAY, Commack, NY, 11725

Verify this record

Cross-check NPI 1497860084 against the authoritative CMS record: view Dr. David Lawrence Kessler on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for David Kessler?

The National Provider Identifier (NPI) for David Kessler is 1497860084, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Kessler practice?

The practice location on file with NPPES is in Commack, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.