Leslie Guadalupe Chaires

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Practice address

1317 W Foothill Blvd Ste 226
Upland, CA 91786-3673

Phone

(626) 209-9965

NPI assigned

Jan 8, 2019

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Elsa Matsumoto Licensed Clinical Social Worker Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Upland, CA
  • NPI 1851014542
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1546905600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1184197527",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1317 W FOOTHILL BLVD STE 226",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917863673",
            "telephone_number": "626-209-9965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1317 W FOOTHILL BLVD STE 226",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917863673",
            "telephone_number": "626-209-9965"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAIRES",
        "first_name": "LESLIE",
        "middle_name": "GUADALUPE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-01-08",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Miguel Angel Cervantes-Lopez, PA-C
• Melissa V Cervantes
• Michael Cervantes, D.D.S.
• Rebecca Cervantez
• Michael Chai, M.D.
• Annie Chan, PHARMD
• Bryan Pui Wang Chan, MD
• Cecille Joy Rasgo Chan, PA-C
• Edwin C Chan, B.PHARM, MBA
• Fiona C Chan, DDS

• Clinical Social Worker in Upland, CA
• Providers in Upland, CA by specialty
• Clinical Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.