Individual provider Active NPI

Kellen James Crooks-Simpkin, COTA

  • Occupational Therapy Assistant
  • Monterey, CA
National Provider Identifier
1720828700
Registry record updated Jan 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational Therapy AssistantTaxonomy code 224Z00000X
License
7210 Issued in CA
Practice address
1501 Skyline Dr
Monterey, CA 93940-4110
Phone
(616) 885-0888
NPI assigned
May 28, 2024
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapy Assistant 224Z00000X 7210 CA Primary

Addresses

Primary practice location

1501 Skyline Dr
Monterey, CA 93940-4110

Mailing address

19280 Waasa Rd
Hancock, MI 49930-9647
Phone (616) 885-0888

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

NPI Registry JSON

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

{
    "created_epoch": "1716854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768435200000",
    "number": "1720828700",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19280 WAASA RD",
            "city": "HANCOCK",
            "state": "MI",
            "postal_code": "499309647",
            "telephone_number": "616-885-0888"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 SKYLINE DR",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "939404110",
            "telephone_number": "616-885-0888"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CROOKS-SIMPKIN",
        "first_name": "KELLEN",
        "middle_name": "JAMES",
        "credential": "COTA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2024-05-28",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "224Z00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapy Assistant",
            "state": "CA",
            "license": "7210",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Monterey, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 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.