Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Maria Isabel Ramirez Leyva, ASW

Social Worker in Vallejo, CA · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1639454531

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Registry record

Entity type Individual (Type 1)

Name Ms. Maria Isabel Ramirez Leyva

Credential ASW

Sex Female

Practice address 160 Glen Cove Marina Rd E Ste 102, Vallejo, CA, 94591

Phone (707) 648-2000

Enumeration date Oct 12, 2011

Last updated in NPPES Jun 1, 2026

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 133803 (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.

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Frequently asked questions

Where does Maria Isabel Ramirez Leyva practice?

The practice location on file with NPPES is in Vallejo, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Maria Isabel Ramirez Leyva?

The National Provider Identifier (NPI) for Maria Isabel Ramirez Leyva is 1639454531, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Anthony Lopresti Family Medicine Physician · Vallejo, CA NPI 1417054321 Tandreya Jackson Rehabilitation Practitioner · Vallejo, CA NPI 1730637125 Jerrica Benedix Case Manager/Care Coordinator · Vallejo, CA NPI 1114428109 Rosa Hernandez Rehabilitation Practitioner · Vallejo, CA NPI 1902395031 Ike Davis Mental Health Counselor · Vallejo, CA NPI 1023764594 Karina Campos Day Training/Habilitation Specialist · Vallejo, CA NPI 1134852205 Chaliss Kirkendoll Rehabilitation Practitioner · Vallejo, CA NPI 1144939802 Breanna Clark Day Training/Habilitation Specialist · Vallejo, CA NPI 1356124150

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-01.