Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Joseph Duplessis Jr., DMD
Dentist in Elizabethtown, KY · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679563449
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. John Joseph Duplessis Jr.
Credential DMD
Sex Male
Practice address 2401 Ring Rd, Elizabethtown, KY, 42701
Phone (270) 765-6502
Fax (270) 766-1988
Enumeration date Oct 24, 2005
Last updated in NPPES Sep 11, 2025
Taxonomy & licenses
1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License 5895 (KY) Secondary
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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
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.
What specialty is John Duplessis?
John Duplessis is registered in NPPES with the primary taxonomy of Dentist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.