Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John D Joiner
Optician in Madison, GA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841983707
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Registry record
Entity type Individual (Type 1)
Name John D Joiner
Sex Male
Practice address 1681 Eatonton Rd, Madison, GA, 30650
Phone (706) 342-8018
Fax (706) 342-8015
Enumeration date May 29, 2023
Last updated in NPPES May 29, 2023
Taxonomy & licenses
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 Joiner?
John Joiner is registered in NPPES with the primary taxonomy of Optician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-29.