Christopher F Mildenberg, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1154409175 Issued in WI

Practice address

30 N 18TH Ave Ste 4B
Sturgeon Bay, WI 54235-3207

Phone

(920) 818-1001

Fax

(833) 438-1838

NPI assigned

Nov 1, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

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

Specialty

Internal Medicine

Education

Medical College of Wisconsin, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Independent Physicians of Wisconsin LLCGroup PAC ID 3274842034, 42 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Door County Medical Center Hospital, Sturgeon Bay, WI, CCN 521358

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: christopher.mildenberg.1@18758.direct.athenahealth.com

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.

• Independent Physicians of Wisconsin, LLC

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1871975920
  Medicare reassignment Care Compare group NPD
• Ascension Medical Group-Southeast Wisconsin Inc

  dba Ascension Medical Group

  • Internal Medicine Physician
  • Glendale, WI
  • NPI 1609881077
  Medicare reassignment NPD
• Independent Physicians of Wisconsin, LLC

  • Durable Medical Equipment & Medical Supplies
  • Kenosha, WI
  • NPI 1588255996
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Door County Memorial Hospital

  dba Door County Medical Center

  • Critical Access Hospital
  • Sturgeon Bay, WI
  • NPI 1093743874
  Care Compare affiliation
• Door County Memorial Hospital

  dba Door County Medical Center Lab

  • Clinical Medical Laboratory
  • Sturgeon Bay, WI
  • NPI 1811090285

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756339200000",
    "number": "1154409175",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30 N 18TH AVE STE 4B",
            "city": "STURGEON BAY",
            "state": "WI",
            "postal_code": "542353207",
            "telephone_number": "920-818-1001",
            "fax_number": "833-438-1838"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 N 18TH AVE STE 4B",
            "city": "STURGEON BAY",
            "state": "WI",
            "postal_code": "542353207",
            "telephone_number": "920-818-1001",
            "fax_number": "833-438-1838"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MILDENBERG",
        "first_name": "CHRISTOPHER",
        "middle_name": "F",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2025-08-28",
        "certification_date": "2025-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "49841",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "1154409175",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathryn Elizabeth Mehlberg, RN
• Shaun J Melarvie, M.D.
• Mariah Leigh Metoxen, OD
• Tomasz Michalski, MD
• Ashley Elizabeth Mijal, APNP
• Richard K Milewicz II, PA-C
• Anne Marie Miller, MD
• Ministry Health Care
• Ministry Home Care, LLC. (Ascension at Home)
• Moellendorf Chiropractic Office, LTD.

• Internal Medicine Physician in Sturgeon Bay, WI
• Providers in Sturgeon Bay, 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 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.