Joseph David Janizek, MD, PHD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

A203295 Issued in CA

Practice address

300 Pasteur Dr
Stanford, CA 94305-2200

Phone

(650) 723-6855

NPI assigned

Apr 1, 2024

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1711929600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751068800000",
    "number": "1689426058",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR RM H-1330",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-6855"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-6855"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JANIZEK",
        "first_name": "JOSEPH",
        "middle_name": "DAVID",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-04-01",
        "last_updated": "2025-06-28",
        "certification_date": "2025-06-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A203295",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dale Kenneth Jamison, MD
• Rex L. Jamison, MD
• Katherine Beth Janaszek, FNP-BC
• Lauren Marie Janchenko, NP
• Elaine Jang, MSN, RN, FNP-C
• Olivia Irene Janus, PA-C
• Terrence Richard Jao, MD,PHD
• Mark Jaradeh, MD
• Safwan Salim Jaradeh, MD
• Vivian Sha Jay

• Diagnostic Radiology Physician in Stanford, CA
• Providers in Stanford, CA by specialty
• Diagnostic Radiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 28, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.