Paul Pui-Hsin Yen, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

PENDING Issued in CA

Practice address

500 Pasteur Dr
Palo Alto, CA 94304-1048

Phone

(604) 375-6328

NPI assigned

Sep 17, 2025

Last updated

Oct 24, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

State licenses

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

{
    "created_epoch": "1758067200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1841161155",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 ALMA ST APT 601",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943011007",
            "telephone_number": "604-375-6328"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041048",
            "telephone_number": "604-375-6328"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YEN",
        "first_name": "PAUL",
        "middle_name": "PUI-HSIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-09-17",
        "last_updated": "2025-10-24",
        "certification_date": "2025-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "PENDING",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lahia Yemane, MD
• Alex Yen, DDS
• Chung-Kwan Yen, DDS
• Eliza Yiyen Yen, L.AC.
• Jack Yen, MD
• Sophia Yen, MD
• Helen Yeni-Komshian, M.D.
• Lakshmi Yerneni, PA-C
• Jerome Yesavage, M.D.
• Alexandra Reissmann Yesian, RDN

• Anesthesiology Physician in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 2025; 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.