Samuel Castro Jr.

Primary specialty

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

Practice address

401 Quarry Road
Room 2204
Stanford, CA 94305

Phone

(650) 725-2769

NPI assigned

Dec 24, 2025

Last updated

May 7, 2026By the provider in NPPES

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1766534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1770449522",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "248 PAMELA DR APT 28",
            "city": "MOUNTAIN VIEW",
            "state": "CA",
            "postal_code": "940403232",
            "telephone_number": "562-889-4494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 QUARRY ROAD",
            "address_2": "ROOM 2204",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "94305",
            "telephone_number": "650-725-2769"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "751 S Bascom Ave",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951282604",
            "country_code": "US",
            "telephone_number": "408-885-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTRO",
        "first_name": "SAMUEL",
        "name_prefix": "Mr.",
        "name_suffix": "Jr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-12-24",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rebekah Michelle Case, MD
• Regina C Casper, M.D., PHD
• Alaina Castro, PA-C
• Kathleen Cate Castro, MSN, ACNPC-AG
• Rebecca Ann Castro, NP
• Jennifer Lee Caswell-Jin, MD
• Kimberly Caswell, NP
• Patricia Catiggay, OTR
• Julia Blum Caton, M.D.
• Steven Guy Cavella, PA-C

• 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 May 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.