Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Melissa Aguirre

Clinical Social Worker in Arroyo Grande, CA · enumerated 2014.

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

National Provider Identifier

1639589708

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Melissa Aguirre

Sex Female

Practice address 227 Bridge St, Arroyo Grande, CA, 93420

Phone (805) 474-3000

Enumeration date Apr 29, 2014

Last updated in NPPES Jul 11, 2022

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Melissa Aguirre?

The National Provider Identifier (NPI) for Melissa Aguirre is 1639589708, a Type 1 (individual) record in the CMS NPPES registry.

Where does Melissa Aguirre practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-11.