Individual provider Active NPI

Kimberly Esguerra, OTR/L

  • Occupational Therapist
  • San Dimas, CA
National Provider Identifier
1366399719
Registry record updated Aug 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational TherapistTaxonomy code 225X00000X
License
28859 Issued in CA
Practice address
221 N San Dimas Ave # 219
San Dimas, CA 91773-2664
Phone
(909) 519-8912
NPI assigned
Mar 13, 2026
Last updated
Aug 16, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapist 225X00000X 28859 CA Primary

Addresses

Primary practice location

221 N San Dimas Ave # 219
San Dimas, CA 91773-2664

Mailing address

273 Camphor PL
Orange, CA 92868-3233
Phone (714) 267-4576

Other practice location 1

3000 E Birch St Ste 102
Brea, CA 92821-6261
Phone (657) 444-9002

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
28859CAMDOccupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Building Blocks Therapy 4 Kids, LLC PastSince May 28, 2023 Accepting new patients

Organizations & group practices 1

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

NPI Registry JSON

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

{
    "created_epoch": "1773360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786838400000",
    "number": "1366399719",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "273 CAMPHOR PL",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683233",
            "telephone_number": "714-267-4576"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "221 N SAN DIMAS AVE # 219",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917732664",
            "telephone_number": "909-519-8912"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3000 E Birch St Ste 102",
            "address_purpose": "LOCATION",
            "city": "Brea",
            "state": "CA",
            "postal_code": "928216261",
            "country_code": "US",
            "telephone_number": "657-444-9002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ESGUERRA",
        "first_name": "KIMBERLY",
        "credential": "OTR/L",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-03-13",
        "last_updated": "2026-08-16",
        "certification_date": "2026-08-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "CA",
            "license": "28859",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Dimas, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 2026; 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.