Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Steffan Matthew Miller, DC
Chiropractor in Spring Grove, IL · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346831690
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Registry record
Entity type Individual (Type 1)
Name Steffan Matthew Miller
Credential DC
Sex Male
Practice address 2100 Us Hwy Route 12, Suite 101, Spring Grove, IL, 60081
Phone (815) 675-0675
Enumeration date Jan 29, 2021
Last updated in NPPES Jan 29, 2021
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 Steffan Miller?
The National Provider Identifier (NPI) for Steffan Miller is 1346831690, a Type 1 (individual) record in the CMS NPPES registry.
Where does Steffan Miller practice?
The practice location on file with NPPES is in Spring Grove, 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 2021-01-29.