William G Wood MD PC

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

Legal business name

WILLIAM G WOOD MD PC

Practice address

19845 Lake Chabot Rd Ste 200
Castro Valley, CA 94546-4055

Phone

(510) 538-5500

Fax

(510) 538-5505

NPI assigned

Feb 27, 2026

Last updated

May 11, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. William Garin Wood, MDNPI 1821309022

Title

Physician

Phone

(415) 505-5456

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• William Garin Wood, M.D., M.S.

  • Surgery Physician
  • Castro Valley, CA
  • NPI 1821309022
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1772150400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1778457600000",
    "number": "1437004223",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2601 BLANDING AVE STE C165",
            "city": "ALAMEDA",
            "state": "CA",
            "postal_code": "945011579",
            "telephone_number": "415-505-5456"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19845 LAKE CHABOT RD STE 200",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945464055",
            "telephone_number": "510-538-5500",
            "fax_number": "510-538-5505"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WILLIAM G WOOD MD PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-27",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A",
        "authorized_official_last_name": "WOOD",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_middle_name": "GARIN",
        "authorized_official_title_or_position": "PHYSICIAN",
        "authorized_official_telephone_number": "415-505-5456",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph Alan Whitehouse, DDS
• Manik Wijesinghe, M.D.
• Tiffany Nicole Wilder-Holden, SUDRC
• Jule Wilferd, DC
• Sarah Wilkerson, M.S., CCC-SLP
• Bianca Williams
• James S Williams, D.C.
• Janeyah Lenai Williams
• Julian JJ Warren Williams Sr.
• Teaira Williams

• Surgery Physician in Castro Valley, CA
• Providers in Castro Valley, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.