Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Daniel Mai, PSYD
Psychologist in Union City, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558850123
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Registry record
Entity type Individual (Type 1)
Name Daniel Mai
Credential PSYD
Sex Male
Practice address 32114 Alvarado Blvd, Union City, CA, 94587
Phone (510) 862-5577
Enumeration date May 9, 2018
Last updated in NPPES Mar 11, 2026
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY36370 (CA) Primary
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD 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 Daniel Mai practice?
The practice location on file with NPPES is in Union City, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Daniel Mai?
The National Provider Identifier (NPI) for Daniel Mai is 1558850123, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-11.