Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ralph Kane Chapman, DENTIST DMD
Dentist in Pinckneyville, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588670426
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Registry record
Entity type Individual (Type 1)
Name Dr. Ralph Kane Chapman
Credential DENTIST DMD
Sex Male
Practice address Box 469, 314 W South St, Pinckneyville, IL, 62274
Phone (618) 357-2445
Fax (618) 357-9549
Enumeration date Jul 31, 2006
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for Ralph Chapman?
The National Provider Identifier (NPI) for Ralph Chapman is 1588670426, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ralph Chapman practice?
The practice location on file with NPPES is in Pinckneyville, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.