NPI Portal NPI Lookup & Verification

Mr. Jonathan Peter Kessler, LICSW

Mr. Jonathan Peter Kessler is a Clinical Social Worker provider (Social Worker) practicing in Danvers, MA, registered in the NPPES registry with NPI 1447274758 since 2006.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1447274758
Entity type Individual (Type 1)
Name Mr. Jonathan Peter Kessler
Credential LICSW
Sex Male
Practice address Danvers, MA, 01923
Phone 9787500308
Enumeration date 2006-07-27
Last updated in NPPES 2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1041C0700X Clinical Social Worker Primary 105952 MA
Copy-ready billing details
Provider: Jonathan Kessler, LICSW
NPI: 1447274758
Taxonomy: 1041C0700X (Clinical Social Worker)
Address: Danvers, MA, 01923

Other providers at this practice address

NPI Name Type Specialty Location
1851397269 Donna Bequette Individual Mental Health Counselor Danvers, MA
1063436137 Linda Burke Individual Mental Health Counselor Danvers, MA
1003984386 Mark Hanson Individual Clinical Psychologist Danvers, MA
1033266531 Howard Weiner Individual Psychiatric/Mental Health Nurse Practitioner Danvers, MA
1801940473 Susan Hagerich Individual Clinical Social Worker Danvers, MA
1174735740 Neuroadvance, Inc Organization Community/Behavioral Health Agency Danvers, MA
1356669600 Tamie Maffeo Individual Massage Therapist Danvers, MA
1861792277 Danielle Honan Individual Massage Therapist Danvers, MA

Verify this record

Cross-check NPI 1447274758 against the authoritative CMS record: view Mr. Jonathan Peter 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 specialty is Jonathan Kessler?
Jonathan Kessler is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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