Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Joseph Frank Unger Jr., D.C.
Chiropractor in St Louis, MO · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1770643108
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Registry record
Entity type Individual (Type 1)
Name Mr. Joseph Frank Unger Jr.
Credential D.C.
Sex Male
Practice address 2821 N Ballas Rd, Suite 105, St Louis, MO, 63131
Phone (314) 872-9955
Fax (314) 872-3458
Enumeration date Dec 8, 2006
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for Joseph Unger?
The National Provider Identifier (NPI) for Joseph Unger is 1770643108, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Unger practice?
The practice location on file with NPPES is in St Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.