Individual provider Active NPI

Catherine Santizo, PA

  • Physician Assistant
  • Santa Clarita, CA
National Provider Identifier
1437882875
Registry record updated Oct 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA63001 Issued in CA
Practice address
18533 Soledad Canyon Rd
Santa Clarita, CA 91351-3722
Phone
(661) 673-8800
NPI assigned
Jul 4, 2022
Last updated
Oct 18, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 18, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA63001 CA Primary

Addresses

Primary practice location

18533 Soledad Canyon Rd
Santa Clarita, CA 91351-3722

Mailing address

18533 Soledad Canyon Rd
Santa Clarita, CA 91351-3722
Phone (661) 673-8800

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250224003037 CA Practitioner - Physician Assistant 0446770242 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
University of Southern California Keck School of Medicine, 2023
Medicare assignment
May accept Medicare assignment
Group practices

Practice addresses (Care Compare)

1600 San Fernando Rd
San Fernando, CA 91340-3115
Phone (818) 365-8086

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
63001CAMDPharmacist
PA63001CAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Northeast Valley Health Corporation CurrentSince Feb 11, 2025 Accepting new patients
Northeast Valley Health Corporation CurrentSince Feb 11, 2025 Accepting new patients

Locations

7843 Lankershim Blvd
North Hollywood, CA 91605
Phone (818) 765-8656

1172 N Maclay Ave
San Fernando, CA 91340
Phone (818) 898-1388

18533 Soledad Canyon Rd
Santa Clarita, CA 91351
Phone (661) 287-1551

Interoperability endpoints

  • Direct secure messaging: catherine.santizo.p1@direct.nevhc.nextgenshare.com

Organizations & group practices 3

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": "1656892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760745600000",
    "number": "1437882875",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18533 SOLEDAD CANYON RD",
            "city": "SANTA CLARITA",
            "state": "CA",
            "postal_code": "913513722",
            "telephone_number": "661-673-8800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18533 SOLEDAD CANYON RD",
            "city": "SANTA CLARITA",
            "state": "CA",
            "postal_code": "913513722",
            "telephone_number": "661-673-8800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SANTIZO",
        "first_name": "CATHERINE",
        "credential": "PA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-07-04",
        "last_updated": "2025-10-18",
        "certification_date": "2025-10-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA63001",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Clarita, CA

Sources for this page

Verify at the official NPI Registry.