Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Leona Dalia Petreikis, DDS
Dentist in Hickory Hills, IL · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396910147
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Registry record
Entity type Individual (Type 1)
Name Dr. Leona Dalia Petreikis
Credential DDS
Sex Female
Practice address 9055 S Roberts Road, Hickory Hills, IL, 60457
Phone (708) 598-4055
Fax (708) 598-0079
Enumeration date Apr 23, 2008
Last updated in NPPES May 8, 2014
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 Leona Petreikis practice?
The practice location on file with NPPES is in Hickory Hills, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Leona Petreikis?
The National Provider Identifier (NPI) for Leona Petreikis is 1396910147, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-08.