Individual provider Active NPI

Spencer Karl Wilhelm, MD

  • Surgery Physician
  • Orange, CA
National Provider Identifier
1952962912
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
204915 Issued in CA
Practice address
1201 W la Veta Ave
Orange, CA 92868-4203
Phone
(714) 364-4050
Fax
(714) 364-4051
NPI assigned
Jun 20, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 204915 CA Primary
Surgical Critical Care Physician 2086S0102X 204915 CA

Addresses

Primary practice location

1201 W la Veta Ave
Orange, CA 92868-4203

Mailing address

1201 W la Veta Ave
Orange, CA 92868-4203

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI
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

Enrollment IDStateProvider typePAC IDDetails
I20190702002211 MI Order and Referring Only - General SurgeryPractitioner - General SurgeryPractitioner - Critical Care (Intensivists) 5092049692

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
4351045031MIMDSurgery Physician

NPI Registry JSON

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

{
    "created_epoch": "1560988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1952962912",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1201 W LA VETA AVE",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928684203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 W LA VETA AVE",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928684203",
            "telephone_number": "714-364-4050",
            "fax_number": "714-364-4051"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILHELM",
        "first_name": "SPENCER",
        "middle_name": "KARL",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-06-20",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "204915",
            "primary": true
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "CA",
            "license": "204915",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.