Ryan Ka-Wai Chan, MD

Primary specialty

Pediatric Otolaryngology PhysicianTaxonomy code 207YP0228X

License

10891319 Issued in CA

Practice address

2233 Post St FL 3
San Francisco, CA 94115-3470

Phone

(415) 885-7582

NPI assigned

Aug 6, 2026

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

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

{
    "created_epoch": "1785974400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1932023660",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "555 BRYANT ST APT 520",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941074616",
            "telephone_number": "403-607-0118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2233 POST ST FL 3",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941153470",
            "telephone_number": "415-885-7582"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAN",
        "first_name": "RYAN",
        "middle_name": "KA-WAI",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-08-06",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YP0228X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Otolaryngology, Pediatric Otolaryngology",
            "state": "CA",
            "license": "10891319",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Renee Wing Ling Chan, L.AC.
• Richard Shing Chan, O.D.
• Rodney Jon Chan, DPM
• Romy Hing Kwan Chan, PT, DPT, MS, OCS
• Rosanna Chan
• Sally Chan
• Samantha Wenyan Chan, OD
• Sandra G Chan, PHARM.D.
• Seck Lam Chan, MD
• Selena Chan, D.O.

• Pediatric Otolaryngology Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Pediatric Otolaryngology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 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.