Wellifycare Medical S.C.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

WELLIFYCARE MEDICAL S.C.

Practice address

18200 W Capitol Dr Ste 200
Brookfield, WI 53045-1446

Phone

(262) 261-8880

NPI assigned

Apr 27, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Dereje Tefera Siyum, MDNPI 1164981007

Title

President

Phone

(262) 261-8880

Specialties & licenses 8

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Dereje T Siyum, MD

  • Hospitalist Physician
  • Milwaukee, WI
  • NPI 1164981007

  Internal Medicine

  NPD Authorized official

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

{
    "created_epoch": "1777248000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785801600000",
    "number": "1629914155",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "W193N4932 TEA TREE DR",
            "city": "MENOMONEE FALLS",
            "state": "WI",
            "postal_code": "530511644",
            "telephone_number": "262-261-8880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18200 W CAPITOL DR STE 200",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530451446",
            "telephone_number": "262-261-8880"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WELLIFYCARE MEDICAL S.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-04-27",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A",
        "authorized_official_last_name": "SIYUM",
        "authorized_official_first_name": "DEREJE",
        "authorized_official_middle_name": "TEFERA",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "262-261-8880",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207QB0505X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Diabetology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RB0002X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Obesity Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RH0005X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hypertension Specialist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RP1002X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Physician Nutrition Specialist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2083B0002X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Preventive Medicine, Obesity Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2083C0008X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Preventive Medicine, Clinical Informatics",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Hospitalist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Weighless MD, LLC
• Sherilyn Weinert
• Kenneth Weinlander, MD
• Corina G. Welch, PA-C
• Wellbrook Recovery Brookfield LLC
• Wellmind Collaborative LLC
• Karol Jean Wendt, MSW
• Tammy R Wentlandt, MASSAGE THERAPIST
• Jennifer Anne Werner-Clinton, P.T.
• Nancy Weronka

• Internal Medicine Physician in Brookfield, WI
• Providers in Brookfield, WI by specialty
• Internal Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 2026; 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.