Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael William Clarke, PHD
Psychologist in Chico, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023167939
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Registry record
Entity type Individual (Type 1)
Name Michael William Clarke
Credential PHD
Sex Male
Practice address 845 W East Ave, Chico, CA, 95926
Phone (530) 896-9400
Fax (530) 879-3352
Enumeration date Jan 9, 2007
Last updated in NPPES Aug 28, 2018
Taxonomy & licenses
106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License MFT 20870 (CA) Secondary
103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY15252 (CA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| PSY 15252 | Other | CA | BOARD OF PSYCHOLOGY |
| MFT 20870 | Other | CA | BOARD OF BSE |
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 Michael Clarke practice?
The practice location on file with NPPES is in Chico, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Clarke?
The National Provider Identifier (NPI) for Michael Clarke is 1023167939, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-28.