David Twa, MD, PHD, FRCPC, DABP

Primary specialty

Anatomic Pathology PhysicianTaxonomy code 207ZP0101X

License

A204311 Issued in CA

Practice address

300 Pasteur Dr
Palo Alto, CA 94305-2200

Phone

(650) 723-4000

NPI assigned

Jul 10, 2025

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not 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": "1752105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1710878632",
    "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": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TWA",
        "first_name": "DAVID",
        "credential": "MD, PHD, FRCPC, DABP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-10",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "WA",
            "license": "MD6162821",
            "primary": false
        },
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "CA",
            "license": "A204311",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• McKenna Elizabeth Turner, AUD
• Twin Smiles Orthodontics
• Danie Ty, M.D., C.M.
• Kinshoo Tyagi, DPT
• Dolly B. Tyan, PH.D.
• Tyler Wilson Hand Therapy Services, LLC

• Anatomic Pathology Physician in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Anatomic Pathology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 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.