Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Gregory Nelson Stern, D.D.S.
Dentist in Oak Forest, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609903723
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Registry record
Entity type Individual (Type 1)
Name Dr. Gregory Nelson Stern
Credential D.D.S.
Sex Male
Practice address 5950 159th St, Oak Forest, IL, 60452
Phone (708) 687-4280
Enumeration date Feb 27, 2007
Last updated in NPPES Jul 8, 2007
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
Where does Gregory Stern practice?
The practice location on file with NPPES is in Oak Forest, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Gregory Stern?
The National Provider Identifier (NPI) for Gregory Stern is 1609903723, 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 2007-07-08.