Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Richard Ardizzone, PH.D.
Specialist in Evanston, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174660948
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Registry record
Entity type Individual (Type 1)
Name Dr. John Richard Ardizzone
Credential PH.D.
Sex Male
Practice address 618 Library Pl, Evanston, IL, 60201
Phone (847) 733-4300
Enumeration date Jan 31, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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 John Ardizzone?
The National Provider Identifier (NPI) for John Ardizzone is 1174660948, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Ardizzone practice?
The practice location on file with NPPES is in Evanston, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → The Family Institute Clinical Psychologist · Evanston, IL NPI 1417988155 Greg Friedman Clinical Psychologist · Evanston, IL NPI 1134235377 Rachel Lurie Professional Counselor · Evanston, IL NPI 1629114343 Reginald Richardson Clinical Social Worker · Evanston, IL NPI 1508904962 Daniel Gill Professional Counselor · Evanston, IL NPI 1235277070 Benjamin Gorvine Clinical Psychologist · Evanston, IL NPI 1538207188 Lynne Knobloch-Fedders Clinical Psychologist · Evanston, IL NPI 1427198647 Pamela Horan-Bussey Clinical Social Worker · Evanston, IL NPI 1245371947
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.