Jorge Ricardo Zaldivar Diaz, MD

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

License

A208596 Issued in CA

Practice address

300 Pasteur Dr
Stanford, CA 94305-2295

Phone

(650) 723-8561

NPI assigned

Apr 26, 2022

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 CT

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

Interoperability endpoints

• Direct secure messaging: jzaldivar570524@direct.ynhh.org

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

{
    "created_epoch": "1650931200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784073600000",
    "number": "1891439774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943052295"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052295",
            "telephone_number": "650-723-8561"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZALDIVAR DIAZ",
        "first_name": "JORGE",
        "middle_name": "RICARDO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-26",
        "last_updated": "2026-07-15",
        "certification_date": "2026-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": "A208596",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alexia Anastasia Zagouras, MD, MA
• Gregory George Zaharchuck, MD
• Hengameh Zahed Kargaran, MD, PHD
• Marina Zakharevich
• Sandra Shaker Zaky, MD
• Roham Tahmaseb Zamanian, MD
• Eddy Dirk Zandee Van Rilland, MD
• Michelle Shereen Zandian, PA-C
• Laraine Zappert, PHD
• Hannah Zare, NP

• Student in an Organized Health Care Education/Training Program in Stanford, CA
• Providers in Stanford, CA by specialty
• Student in an Organized Health Care Education/Training Program in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.