Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sarah Ann Janowski, D.M.D.
Dentist in Tinley Park, IL · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225463417
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Registry record
Entity type Individual (Type 1)
Name Sarah Ann Janowski
Credential D.M.D.
Sex Female
Practice address 7230 191st St, Tinley Park, IL, 60487
Phone (607) 768-2303
Enumeration date Sep 6, 2013
Last updated in NPPES Sep 6, 2013
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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 Sarah Janowski practice?
The practice location on file with NPPES is in Tinley Park, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sarah Janowski?
The National Provider Identifier (NPI) for Sarah Janowski is 1225463417, 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 2013-09-06.