Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Alison Maxine Atherden
Psychologist in Antioch, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225180813
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Registry record
Entity type Individual (Type 1)
Name Ms. Alison Maxine Atherden
Sex Female
Practice address 3501 Lone Tree Way, Suite 200, Antioch, CA, 94509
Phone (925) 427-8664
Fax (925) 427-8645
Enumeration date Jan 17, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 Alison Atherden practice?
The practice location on file with NPPES is in Antioch, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alison Atherden?
The National Provider Identifier (NPI) for Alison Atherden is 1225180813, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Louis Vizcarrondo Clinical Social Worker · Antioch, CA NPI 1093877318 Eva Morato-Crose Mental Health Counselor · Antioch, CA NPI 1649324492 John Gragnani Marriage & Family Therapist · Antioch, CA NPI 1144374703 Oscar Martinez Day Training/Habilitation Specialist · Antioch, CA NPI 1023163300 Georgia Mcdaniel Marriage & Family Therapist · Antioch, CA NPI 1538208921 Elizabeth Fitzgerald Clinical Social Worker · Antioch, CA NPI 1407046469
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.