Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Sarah Kozak, RDH
Dental Hygienist in Bolingbrook, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679634117
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Registry record
Entity type Individual (Type 1)
Name Ms. Sarah Kozak
Credential RDH
Sex Female
Practice address 406 W Boughton Rd, Suite B, Bolingbrook, IL, 60440
Phone (630) 759-8940
Fax (630) 759-9392
Enumeration date Dec 12, 2006
Last updated in NPPES Jul 8, 2007
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 Sarah Kozak practice?
The practice location on file with NPPES is in Bolingbrook, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sarah Kozak?
The National Provider Identifier (NPI) for Sarah Kozak is 1679634117, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Timothy Moss Dentist · Bolingbrook, IL NPI 1518035138 Amy North Dental Hygienist · Bolingbrook, IL NPI 1235207887 Gina Smoger Dental Hygienist · Bolingbrook, IL NPI 1730257387 Stephanie Cantore Dental Hygienist · Bolingbrook, IL NPI 1285702837 Raymond Muehling Dentist · Bolingbrook, IL NPI 1780745224 Clay Vanderwall Orthodontics and Dentofacial Orthopedics Dentistry · Bolingbrook, IL NPI 1962694737
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.