Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Kenneth J Grayer Jr.
Driver in Libertyville, IL · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740884279
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Registry record
Entity type Individual (Type 1)
Name Mr. Kenneth J Grayer Jr.
Sex Male
Practice address 520 E Lincoln Ave, Libertyville, IL, 60048
Phone (662) 346-3883
Enumeration date Nov 25, 2020
Last updated in NPPES Aug 16, 2021
Taxonomy & licenses
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 Kenneth Grayer practice?
The practice location on file with NPPES is in Libertyville, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kenneth Grayer?
The National Provider Identifier (NPI) for Kenneth Grayer is 1740884279, 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 2021-08-16.