Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Halla Teresa Maher, MSW
Social Worker in Oxnard, CA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598942393
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Registry record
Entity type Individual (Type 1)
Name Halla Teresa Maher
Credential MSW
Sex Female
Practice address 500 E Esplanade Dr Ste 660, Oxnard, CA, 93036
Phone (805) 981-2883
Fax (213) 427-6162
Enumeration date Jan 24, 2008
Last updated in NPPES Apr 16, 2015
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License ASW62213 (CA) Primary
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 Halla Maher practice?
The practice location on file with NPPES is in Oxnard, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Halla Maher?
The National Provider Identifier (NPI) for Halla Maher is 1598942393, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Freddy Covarrubias Licensed Vocational Nurse · Oxnard, CA NPI 1831637248 Hugo Martinez Mental Health Counselor · Oxnard, CA NPI 1306311048 Jessica Rubinstein Case Manager/Care Coordinator · Oxnard, CA NPI 1508320854 Brian Ford Registered Nurse · Oxnard, CA NPI 1346893120 Vanessa Rhoades Clinical Social Worker · Oxnard, CA NPI 1740955426 Jeremy Shiffman Professional Counselor · Oxnard, CA NPI 1225705726 Rondra Morrison Licensed Vocational Nurse · Oxnard, CA NPI 1205570371 Kelli Mckernan Licensed Vocational Nurse · Oxnard, CA NPI 1104563493
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-04-16.