Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Justin William Johnson, O.D.
Optometrist in Rockford, IL · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518229210
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Registry record
Entity type Individual (Type 1)
Name Dr. Justin William Johnson
Credential O.D.
Sex Male
Practice address 3401 N Perryville Rd, Rockford, IL, 61114
Phone (815) 971-2800
Enumeration date Jun 9, 2012
Last updated in NPPES Jan 23, 2020
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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 Justin Johnson?
The National Provider Identifier (NPI) for Justin Johnson is 1518229210, a Type 1 (individual) record in the CMS NPPES registry.
Where does Justin Johnson practice?
The practice location on file with NPPES is in Rockford, IL. 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 2020-01-23.