Individual provider Active NPI

Brett Allen Deml, PHD, FACMG

  • Clinical Molecular Genetics Physician
  • Marshfield, WI
National Provider Identifier
1912709775
Registry record updated Mar 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Molecular Genetics PhysicianTaxonomy code 207SG0203X
License
2019077 Issued in WI
Practice address
3800 S Business Park Ave
Marshfield, WI 54449-9030
Phone
(715) 387-0484
NPI assigned
Mar 25, 2025
Last updated
Mar 25, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Molecular Genetics Physician 207SG0203X 2019077 WI Primary

Addresses

Primary practice location

3800 S Business Park Ave
Marshfield, WI 54449-9030

Mailing address

3800 S Business Park Ave
Marshfield, WI 54449-9030
Phone (715) 387-0484

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)
Not enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
2019077WIMDClinical Molecular Genetics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Preventiongenetics LLC PastSince Mar 30, 2025 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1742860800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742860800000",
    "number": "1912709775",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3800 S BUSINESS PARK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544499030",
            "telephone_number": "715-387-0484"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 S BUSINESS PARK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544499030",
            "telephone_number": "715-387-0484"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEML",
        "first_name": "BRETT",
        "middle_name": "ALLEN",
        "name_prefix": "Dr.",
        "credential": "PHD, FACMG",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-03-25",
        "last_updated": "2025-03-25",
        "certification_date": "2025-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207SG0203X",
            "taxonomy_group": "",
            "desc": "Medical Genetics, Clinical Molecular Genetics",
            "state": "WI",
            "license": "2019077",
            "primary": true
        }
    ],
    "identifiers": [],
    "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 Mar 25, 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.