Organization Active NPI

Therapy in Action Inc

  • Pediatric Nutrition Registered Dietitian
  • Tarzana, CA
National Provider Identifier
1487864377
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nutrition Registered DietitianTaxonomy code 133VN1004X
License
838470 Issued in CA
Legal business name
THERAPY IN ACTION INC
Practice address
18522 Oxnard St
Tarzana, CA 91356-1409
Phone
(818) 708-2292
Fax
(818) 708-2298
NPI assigned
May 22, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Mrs. Mary Jane Zehnpfennig, MA, OTR L
Title
Executive Director
Phone
(818) 708-2292

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nutrition Registered DietitianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 133VN1004X 838470 CA Primary
Pediatric Physical TherapistGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 2251P0200X 22161 CA
Pediatric Occupational TherapistGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 225XP0200X 4979 CA

Addresses

Primary practice location

18522 Oxnard St
Tarzana, CA 91356-1409

Mailing address

18522 Oxnard St
Tarzana, CA 91356-1409
Phone (818) 708-2292

Other identifiers 1

IdentifierTypeStateIssuer
ZZZ645182OtherCABLUE SHEILD ID NUMBER

National Provider Directory

National Provider Directory

Locations

18522 Oxnard St
Tarzana, CA 91356
Phone (818) 708-2292

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1179792000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1487864377",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18522 OXNARD ST",
            "city": "TARZANA",
            "state": "CA",
            "postal_code": "913561409",
            "telephone_number": "818-708-2292",
            "fax_number": "818-708-2298"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18522 OXNARD ST",
            "city": "TARZANA",
            "state": "CA",
            "postal_code": "913561409",
            "telephone_number": "818-708-2292",
            "fax_number": "818-708-2298"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "THERAPY IN ACTION INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-05-22",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "ZEHNPFENNIG",
        "authorized_official_first_name": "MARY",
        "authorized_official_middle_name": "JANE",
        "authorized_official_title_or_position": "EXECUTIVE DIRECTOR",
        "authorized_official_telephone_number": "818-708-2292",
        "authorized_official_name_prefix": "Mrs.",
        "authorized_official_credential": "MA, OTR L"
    },
    "taxonomies": [
        {
            "code": "133VN1004X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Dietitian, Registered, Nutrition, Pediatric",
            "state": "CA",
            "license": "838470",
            "primary": true
        },
        {
            "code": "2251P0200X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Physical Therapist, Pediatrics",
            "state": "CA",
            "license": "22161",
            "primary": false
        },
        {
            "code": "225XP0200X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Occupational Therapist, Pediatrics",
            "state": "CA",
            "license": "4979",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHEILD ID NUMBER",
            "identifier": "ZZZ645182",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Tarzana, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.