William Warren Kwan, MD

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

G73605 Issued in CA

Practice address

8631 W 3Rd St Ste 1035
Los Angeles, CA 90048-5964

Phone

(310) 659-9075

NPI assigned

Mar 29, 2006

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

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Dermatology

Education

University of California, Geffen School of Medicine, 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Golden State Dermatology Associates, Inc.Group PAC ID 1052418175, 118 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Golden State Dermatology Associates, Inc.

  • Dermatology Physician
  • Walnut Creek, CA
  • NPI 1700860871
  Medicare reassignment Care Compare group NPD
• California Coastal Dermatology a Medical Corporation

  • Medical Specialty Clinic/Center
  • Mission Viejo, CA
  • NPI 1083032262
  Medicare reassignment NPD
• Golden State Dermatology Associates, Inc.

  • Ambulatory Surgical Clinic/Center
  • Fresno, CA
  • NPI 1235738576
  NPD
• Tower Dermatology PC

  • Dermatology Physician
  • Los Angeles, CA
  • NPI 1740469725
  NPD
• Moy-Fincher-Chipps Surgery Center, Inc.

  • Ambulatory Surgical Clinic/Center
  • Beverly Hills, CA
  • NPI 1144552647
  NPD (past)
• St Joseph Hospital of Orange

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1912982216
  NPD (past)

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

{
    "created_epoch": "1143590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1376504407",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "360 POST ST",
            "address_2": "STE 400",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941084907",
            "telephone_number": "415-217-3880",
            "fax_number": "415-217-3883"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8631 W 3RD ST STE 1035",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900485964",
            "telephone_number": "310-659-9075"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KWAN",
        "first_name": "WILLIAM",
        "middle_name": "WARREN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-29",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CA",
            "license": "G73605",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michelle Megan Kwan
• Samina Ikramullah Kwan, LCSW, MPA
• Stephanie Kwan
• Stephen Kam-Cheung Kwan, M.D.
• Tara Arlene Kwan, ACSW
• Wing (Pauline) Lam Kwan, CASE MANAGER
• Cesar Ricardo Kwandiaz
• Kwang He Won Health Center
• Kwang He Won Health Center
• Kwang S. Kim DDS, Inc

• Dermatology Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Dermatology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.