Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Joel Lee Rahn, D.C
Chiropractor in O Fallon, IL · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548531999
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Registry record
Entity type Individual (Type 1)
Name Dr. Joel Lee Rahn
Credential D.C
Sex Male
Practice address 1480 N Green Mount Rd, O Fallon, IL, 62269
Phone (618) 622-2222
Enumeration date Jan 17, 2012
Last updated in NPPES Jan 17, 2012
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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
Where does Joel Rahn practice?
The practice location on file with NPPES is in O Fallon, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Joel Rahn?
The National Provider Identifier (NPI) for Joel Rahn is 1548531999, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-17.