William Arthur Norcross, M.D.

Primary specialty

Geriatric Medicine (Family Medicine) PhysicianTaxonomy code 207QG0300X

License

G30804 Issued in CA

Practice address

200 W Arbor Dr
San Diego, CA 92103-9000

Phone

(619) 543-6770

Fax

(619) 543-2353

NPI assigned

May 3, 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

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.

• Regents of the University of California

  • Family Medicine Physician
  • San Diego, CA
  • NPI 1578672184

  Geriatric Medicine

  Medicare reassignment NPD
• Regents of the University of California

  • Diagnostic Radiology Physician
  • San Diego, CA
  • NPI 1558463927
  NPD

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

{
    "created_epoch": "1146614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1508824178",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 232410",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921932410",
            "telephone_number": "858-249-6748",
            "fax_number": "619-543-3183"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 W ARBOR DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921039000",
            "telephone_number": "619-543-6770",
            "fax_number": "619-543-2353"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NORCROSS",
        "first_name": "WILLIAM",
        "middle_name": "ARTHUR",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": "CA",
            "license": "G30804",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nora El-Khatib MD Inc.
• Nora N Tleel, DDS, Apc
• Maniphanh Noraky, RN, FNP-C
• Norayr & Arian R Avakian DDS, Professional Corporation
• Norcal Acupuncturist Corporation
• Alicia Nord
• Nicole Alicia Nord, DO
• Amy Marie Nordeen, LCSW78801
• Emma Norder
• Emily Nordhues, MT-BC

• Geriatric Medicine (Family Medicine) Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Geriatric Medicine (Family Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.