Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Benjamin Cuellar II, CALIFORNIA LCSW

Clinical Social Worker in Modesto, CA · enumerated 2014.

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

National Provider Identifier

1659788180

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Registry record

Entity type Individual (Type 1)

Name Mr. Benjamin Cuellar II

Credential CALIFORNIA LCSW

Sex Male

Practice address 1225 Oakdale Rd, Modesto, CA, 95350

Phone (209) 345-3543

Fax (209) 557-6256

Enumeration date Jul 16, 2014

Last updated in NPPES Sep 26, 2018

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LICSW3984C (AL) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCSW76682 (CA) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 34999 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Benjamin Cuellar?

The National Provider Identifier (NPI) for Benjamin Cuellar is 1659788180, a Type 1 (individual) record in the CMS NPPES registry.

Where does Benjamin Cuellar practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-26.