Individual provider Active NPI

Kathryn Thornburg

  • Physical Therapist
  • Oakland, CA
National Provider Identifier
1447227897
Registry record updated Feb 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
PT21382 Issued in CA
Practice address
3718 Grand Ave
Oakland, CA 94610-1544
Phone
(510) 893-8878
NPI assigned
Mar 3, 2006
Last updated
Feb 20, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X PT21382 CA Primary

Addresses

Primary practice location

3718 Grand Ave
Oakland, CA 94610-1544

Mailing address

3718 Grand Ave Ste 15
Oakland, CA 94610-1544

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080515000252 CA Practitioner - Physical Therapist in Private Practice 5092794081 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Taylor and Thornburg Physical Therapy, Inc.Group PAC ID 4789753880, 11 clinicians

Practice addresses (Care Compare)

3718 Grand Ave
Suite 15
Oakland, CA 94610-1544
Phone (510) 893-8878

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
PT21382CAMDPhysical Therapist

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": "1141344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771545600000",
    "number": "1447227897",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3718 GRAND AVE STE 15",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946101544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3718 GRAND AVE",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946101544",
            "telephone_number": "510-893-8878"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THORNBURG",
        "first_name": "KATHRYN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-03",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "CA",
            "license": "PT21382",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oakland, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.