Kaitlin Claire Machina, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

PTL19204 Issued in CA

Practice address

1199 Welch Rd
Palo Alto, CA 94304-1905

Phone

(650) 723-5111

NPI assigned

Apr 14, 2025

Sex

Female

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

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1744588800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786838400000",
    "number": "1104611581",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 WELCH RD STE 350",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041807"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1199 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041905",
            "telephone_number": "650-723-5111"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACHINA",
        "first_name": "KAITLIN",
        "middle_name": "CLAIRE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-04-14",
        "last_updated": "2026-08-16",
        "certification_date": "2026-08-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "PTL19204",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Ward Macarthur, M.D.
• Ann Macauley
• Melissa Macdonald
• Matthew Steven Macdougall, MD, PHD
• Courtney Lynn Macdowell, DNP
• Crystal Lee Mackall, MD
• Katherine Mercelia Mackenzie, MD
• Linda Mackenzie, LMFT
• Madison Mackenzie, PSYD
• Kathleen Huff Mackin, MD

• Emergency Medicine Physician in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 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.