Christopher Kassar D.O. Inc.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A036813 Issued in CA

Legal business name

CHRISTOPHER KASSAR D.O. INC.

Practice address

615 E Foothill Blvd Ste a
San Dimas, CA 91773-1255

Phone

(626) 335-3527

Fax

(626) 623-7233

NPI assigned

Aug 25, 2008

Organization subpart

No

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

Authorized official

Name

Tammi Lyn Parr

Title

Office Manager

Phone

(909) 335-3527

Specialties & licenses 1

Addresses

Other names 1

• Tim Ferguson MD Inc Former legal business name

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Locations

Practitioners 2

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

• Raquel Marie Henderson, PA-C

  • Medical Physician Assistant
  • San Bernardino, CA
  • NPI 1770597809
  Medicare reassignment
• Christopher E Kassar, DO

  • Family Medicine Physician
  • San Dimas, CA
  • NPI 1346659174
  Medicare reassignment

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

{
    "created_epoch": "1219622400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760400000000",
    "number": "1831346592",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "615 E FOOTHILL BLVD STE A",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917731255",
            "telephone_number": "626-335-3527",
            "fax_number": "626-623-7233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "615 E FOOTHILL BLVD STE A",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917731255",
            "telephone_number": "626-335-3527",
            "fax_number": "626-623-7233"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CHRISTOPHER KASSAR D.O. INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-08-25",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-14",
        "status": "A",
        "authorized_official_last_name": "PARR",
        "authorized_official_first_name": "TAMMI",
        "authorized_official_middle_name": "LYN",
        "authorized_official_title_or_position": "OFFICE MANAGER",
        "authorized_official_telephone_number": "909-335-3527"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A036813",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Tim Ferguson MD Inc",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

• Stephanie Chittivaranon
• Polly Chiu
• Michael S Choi, M.D.
• Stephen J Chow, PT
• Angela Christian
• Chronic Care Inc
• Jennie Chu, PHARM.D.
• Amy Gabriela Cisneros
• Gabriel Claros
• Kimberly Nicole Clayton

• Family Medicine Physician in San Dimas, CA
• Providers in San Dimas, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.