Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Larry Wolford Thompson, PH.D.
Psychologist in Los Altos, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588846901
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Registry record
Entity type Individual (Type 1)
Name Dr. Larry Wolford Thompson
Credential PH.D.
Sex Male
Practice address 2049 Fallen Leaf Ln, Los Altos, CA, 94024
Phone (650) 969-6489
Fax (650) 625-0915
Enumeration date Nov 27, 2007
Last updated in NPPES Nov 27, 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
Is NPI 1588846901 active?
Yes, as of the latest NPPES snapshot, NPI 1588846901 is active (record last updated 2007-11-27).
How do I verify Larry Thompson's NPI record?
Cross-check NPI 1588846901 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-27.