Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jeffrey Scott Porter, O.D.
Optometrist in Crystal Lake, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1982747507
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Registry record
Entity type Individual (Type 1)
Name Dr. Jeffrey Scott Porter
Credential O.D.
Sex Male
Practice address 1205 S Il Route 31, Crystal Lake, IL, 60014
Phone (815) 477-4053
Fax (815) 477-4302
Enumeration date Feb 14, 2007
Last updated in NPPES Aug 20, 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
Where does Jeffrey Porter practice?
The practice location on file with NPPES is in Crystal Lake, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jeffrey Porter?
The National Provider Identifier (NPI) for Jeffrey Porter is 1982747507, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-20.