Individual provider Active NPI

Weiguang Ma, DDS MDS PHD

  • Oral & Maxillofacial Surgery (D.M.D.)
  • Marshfield, WI
National Provider Identifier
1083714737
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Oral & Maxillofacial Surgery (D.M.D.)Taxonomy code 204E00000X
License
5464 Issued in WI
Practice address
1000 N Oak Ave
Marshfield, WI 54449
Phone
(715) 387-5385
NPI assigned
Sep 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Oral and Maxillofacial Surgery (Dentist) 1223S0112X 5464 WI
Oral & Maxillofacial Surgery (D.M.D.) 204E00000X 5464 WI Primary

Addresses

Primary practice location

1000 N Oak Ave
Marshfield, WI 54449

Mailing address

1000 N Oak Ave
Marshfield, WI 54449-5777

Other identifiers 1

IdentifierTypeStateIssuer
33772800MedicaidWI

Medicare participation

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
5464WIMDOral and Maxillofacial Surgery (Dentist)

Practice roles

OrganizationSpecialtyStatusNew patients
Marshfield Clinic Inc CurrentSince Jul 29, 2002 Accepting new patients
MCHS Hospitals Inc CurrentSince Mar 1, 2018 Accepting new patients
MCHS Hospitals Inc CurrentSince Mar 1, 2018 Accepting new patients

Locations

1000 Starr Ave
Eau Claire, WI 54703
Phone (715) 858-4850

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

900 Illinois Ave
Stevens Point, WI 54481
Phone (715) 342-7500

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1158969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1083714737",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "54449",
            "telephone_number": "715-387-5385"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MA",
        "first_name": "WEIGUANG",
        "credential": "DDS MDS PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-23",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "WI",
            "license": "5464",
            "primary": false
        },
        {
            "code": "204E00000X",
            "taxonomy_group": "",
            "desc": "Oral & Maxillofacial Surgery",
            "state": "WI",
            "license": "5464",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "33772800",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Marshfield, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.