Individual provider Active NPI

Elizabeth Helen Rittersdorf

  • Occupational Therapist
  • Agoura Hills, CA
National Provider Identifier
1558213850
Registry record updated Feb 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational TherapistTaxonomy code 225X00000X
License
7453 Issued in CA
Practice address
29219 Canwood St Unit 107
Agoura Hills, CA 91301-1560
Phone
(818) 914-7555
Fax
(818) 279-7387
NPI assigned
Feb 10, 2026
Last updated
Feb 10, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 10, 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 7453 CA Primary

Addresses

Primary practice location

29219 Canwood St Unit 107
Agoura Hills, CA 91301-1560

Mailing address

29219 Canwood St Unit 107
Agoura Hills, CA 91301-1560
Phone (818) 914-7555

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260306001615 CA Practitioner - Occupational Therapist in Private Practice 9638651771 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Occupational Therapist in Private Practice
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Embrace Progressive Therapy IncGroup PAC ID 4183135734, 4 clinicians

Practice addresses (Care Compare)

29219 Canwood St
Unit 107
Agoura Hills, CA 91301-1560
Phone (818) 914-7555

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Embrace Progressive Therapy Inc CurrentSince Jan 20, 2026 Accepting new patients

Locations

29219 Canwood St
Unit 107
Agoura Hills, CA 91301
Phone (818) 914-7555

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": "1770681600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1558213850",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29219 CANWOOD ST UNIT 107",
            "city": "AGOURA HILLS",
            "state": "CA",
            "postal_code": "913011560",
            "telephone_number": "818-914-7555",
            "fax_number": "818-279-7387"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "29219 CANWOOD ST UNIT 107",
            "city": "AGOURA HILLS",
            "state": "CA",
            "postal_code": "913011560",
            "telephone_number": "818-914-7555",
            "fax_number": "818-279-7387"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RITTERSDORF",
        "first_name": "ELIZABETH",
        "middle_name": "HELEN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-10",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "CA",
            "license": "7453",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Agoura Hills, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 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.