Khristina Caldarelli, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

2525 Erringer Rd
Simi Valley, CA 93065-2352

Phone

(805) 527-1404

Fax

(805) 527-5246

NPI assigned

Jul 19, 2022

Last updated

Feb 5, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Khristina Marjan Shad Former name

Electronic endpoints 2

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

Specialty

Physician Assistant

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ventura Orthopedics Medical Group IncGroup PAC ID 2062312911, 79 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventist Health Simi Valley Hospital, Simi Valley, CA, CCN 050236

Merit-based Incentive Payment System (MIPS)

Final score

73.77 of 100Reported as group

Quality

31.85

Promoting interoperability

98

Improvement activities

40

Cost

82.39

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

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.

• Ventura Orthopedics Medical Group, Inc.

  dba Ventura Orthopedics

  • Specialist
  • Ventura, CA
  • NPI 1871547315
  Medicare reassignment Care Compare group NPD (past)
• Ventura Orthopedics Medical Group, Inc.

  dba Ventura Orthopedics

  • Specialist
  • Thousand Oaks, CA
  • NPI 1104389931
  NPD
• Ventura Orthopedics Medical Group, Inc.

  dba Ventura Orthopedics

  • Specialist
  • Simi Valley, CA
  • NPI 1164195707
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Simi Valley Hospital and Health Care Services

  • General Acute Care Hospital
  • Simi Valley, CA
  • NPI 1063495190
  Care Compare affiliation

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

{
    "created_epoch": "1658188800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770249600000",
    "number": "1811622301",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1203 FLYNN RD UNIT 160",
            "city": "CAMARILLO",
            "state": "CA",
            "postal_code": "930126203",
            "telephone_number": "805-804-4168",
            "fax_number": "805-830-1177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2525 ERRINGER RD",
            "city": "SIMI VALLEY",
            "state": "CA",
            "postal_code": "930652352",
            "telephone_number": "805-527-1404",
            "fax_number": "805-527-5246"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "137 E Thousand Oaks Blvd",
            "address_purpose": "LOCATION",
            "city": "Thousand Oaks",
            "state": "CA",
            "postal_code": "913605707",
            "country_code": "US",
            "telephone_number": "805-379-4574",
            "fax_number": "805-379-4324",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CALDARELLI",
        "first_name": "KHRISTINA",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-07-19",
        "last_updated": "2026-02-05",
        "certification_date": "2026-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "61776",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://venturaortho.com/",
            "affiliation": "N",
            "address_1": "2525 Erringer Rd",
            "city": "Simi Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "930652352",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://venturaortho.com/",
            "affiliation": "N",
            "address_1": "137 E Thousand Oaks Blvd",
            "city": "Thousand Oaks",
            "state": "CA",
            "country_code": "US",
            "postal_code": "913605707",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "KHRISTINA",
            "last_name": "SHAD",
            "middle_name": "MARJAN",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Cindy Diane Burkhart, CFM
• Kathleen Burrell, MSW
• Kyra Rose Burrows
• Cheryl Jayne Bushart
• Jun Li Sharon Cai, DO
• Jolie Caldwell Ker, MT
• Cali Care Home Health, Inc
• California Kidney Medical Group Inc
• California Sports Concussion
• Maria Teresa Caliva, LMFT, APCC

• Physician Assistant in Simi Valley, CA
• Providers in Simi Valley, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.