Individual provider Active NPI

Matthew Wi, M.D.

  • Vascular Surgery Physician
  • Fontana, CA
National Provider Identifier
1114371549
Registry record updated Aug 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Vascular Surgery PhysicianTaxonomy code 2086S0129X
License
ME168903 Issued in FL
Practice address
9961 Sierra Ave
Fontana, CA 92335-6720
Phone
(909) 427-5626
NPI assigned
Apr 22, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 20, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Vascular Surgery Physician 2086S0129X ME168903 FL Primary
Student in an Organized Health Care Education/Training Program 390200000X CA

Addresses

Primary practice location

9961 Sierra Ave
Fontana, CA 92335-6720

Mailing address

9961 Sierra Ave
Fontana, CA 92335-6720
Phone (909) 427-5626

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1461283200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1114371549",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9961 SIERRA AVE",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "923356720",
            "telephone_number": "909-427-5626"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9961 SIERRA AVE",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "923356720",
            "telephone_number": "909-427-5626"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WI",
        "first_name": "MATTHEW",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-22",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "FL",
            "license": "ME168903",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fontana, CA

Sources for this page

Verify at the official NPI Registry.