William Campbell Wallace, M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

A66100 Issued in CA

Practice address

24411 Health Center Dr
Suite 350
Laguna Hills, CA 92653-3651

Phone

(949) 457-7900

Fax

(949) 588-8719

NPI assigned

Jul 20, 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

General SurgeryAlso: Vascular Surgery

Education

University of Vermont College of Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

South Orange County Surgical Medical Group IncGroup PAC ID 8426945338, 22 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603
• Uci Health-Orange Hospital, Orange, CA, CCN 050348

Merit-based Incentive Payment System (MIPS)

Final score

87.08 of 100Reported as group

Quality

62.67

Promoting interoperability

100

Improvement activities

40

Cost

85.6

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: william.wallace.1@12518.direct.athenahealth.com
• FHIR API: https://api.platform.athenahealth.com/12518/brand/2/csg/1/fhir/r4

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.

• South Orange County Surgical Medical Group, Inc.

  • Surgery Physician
  • Laguna Hills, CA
  • NPI 1407860844
  Medicare reassignment Care Compare group NPD Authorized official
• Oc Trauma Inc

  • Trauma Surgery Physician
  • Mission Viejo, CA
  • NPI 1720516628
  Medicare reassignment NPD Authorized official
• Oc General Surgery Inc

  • Trauma Surgery Physician
  • Mission Viejo, CA
  • NPI 1477067882
  NPD Authorized official
• Los Alamitos Medical Center, Inc.

  • Psychiatric Hospital Unit
  • Los Alamitos, CA
  • NPI 1497780084
  NPD (past)
• Mission Hospital Regional Medical Center

  • Rehabilitation Hospital
  • Mission Viejo, CA
  • NPI 1003956913
  NPD (past)
• Saddleback Memorial Medical Center

  • Rehabilitation Hospital Unit
  • Laguna Hills, CA
  • NPI 1114967114
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation
• University of California Irvine

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation

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

{
    "created_epoch": "1153353600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1528088960",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24411 HEALTH CENTER DR STE 350",
            "city": "LAGUNA HILLS",
            "state": "CA",
            "postal_code": "926533687",
            "telephone_number": "949-457-7900",
            "fax_number": "949-588-8719"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24411 HEALTH CENTER DR",
            "address_2": "SUITE 350",
            "city": "LAGUNA HILLS",
            "state": "CA",
            "postal_code": "926533651",
            "telephone_number": "949-457-7900",
            "fax_number": "949-588-8719"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALLACE",
        "first_name": "WILLIAM",
        "middle_name": "CAMPBELL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-20",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A66100",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rik Michael Wahlrab, D.C.
• Kevin Gerard Waldron, MD
• Walgreen Co
• Lauren Walker
• Ashley Gabrielle Wallace
• Wallis Halperin Wallis, PNP
• Donald Walton Walls, M.D.
• Walter S Green, M.D. Medical Corporation
• Walter S Kantor DPM Inc
• Daniel C Walters, MD

• Surgery Physician in Laguna Hills, CA
• Providers in Laguna Hills, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 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.
• 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.