Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Balles, PH.D.
School Psychologist in Tempe, AZ · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1700066792
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Registry record
Entity type Individual (Type 1)
Name Dr. John Balles
Credential PH.D.
Sex Male
Practice address 500 W Guadalupe Rd, Tempe, AZ, 85283
Phone (480) 752-8786
Enumeration date Nov 7, 2007
Last updated in NPPES Nov 7, 2007
Taxonomy & licenses
103TS0200X School Psychologist Behavioral Health & Social Service Providers · License 3894631 (AZ) Primary
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 Balles?
The National Provider Identifier (NPI) for John Balles is 1700066792, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Balles practice?
The practice location on file with NPPES is in Tempe, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Diana Boyd Clinical Social Worker · Tempe, AZ NPI 1538159462 Jennifer Dregely Mental Health Counselor · Tempe, AZ NPI 1508916529 Lisa Merrin Psychologist · Tempe, AZ NPI 1699825711 Susan Mcgill Social Worker · Tempe, AZ NPI 1467503078 Sandra Goodman Speech-Language Pathologist · Tempe, AZ NPI 1720138316 Tempe Union High School District #213 Local Education Agency (LEA) · Tempe, AZ NPI 1124166947 Amanda Austin Renfrow Physical Therapist · Tempe, AZ NPI 1932249349 Ron Denne School Psychologist · Tempe, AZ NPI 1063552388
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-07.