Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Gregory Frank Kubik, D.D.S.
Dentist in Crystal Lake, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417033150
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Registry record
Entity type Individual (Type 1)
Name Dr. Gregory Frank Kubik
Credential D.D.S.
Sex Male
Practice address 490 Coventry Ln, Suite 200, Crystal Lake, IL, 60014
Phone (815) 455-7757
Enumeration date Oct 27, 2006
Last updated in NPPES Sep 11, 2025
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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 Gregory Kubik?
The National Provider Identifier (NPI) for Gregory Kubik is 1417033150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Kubik practice?
The practice location on file with NPPES is in Crystal Lake, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.