Adam C Ankrum, D.O.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

46620 Issued in WI

Practice address

111 E Wisconsin Ave
Suite 2000
Milwaukee, WI 53202-4815

Phone

(414) 290-6720

Fax

(414) 290-6755

NPI assigned

Mar 23, 2006

Last updated

Dec 16, 2025By the provider in NPPES

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

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in HI

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aankrum19680@hhsc.direct-ci.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.

• Hawaii Emergency Physicians Associated Inc

  dba HEPA, Inc.

  • Emergency Medicine Physician
  • Kailua, HI
  • NPI 1801843198
  Medicare reassignment NPD
• Honokaa Hospital & Skilled Nursing

  • Critical Access Hospital
  • Honokaa, HI
  • NPI 1164506317
  Medicare reassignment NPD
• Kau Hospital

  • Rural Health Clinic/Center
  • Pahala, HI
  • NPI 1144304338
  Medicare reassignment NPD
• Honokaa Hospital & Skilled Nursing

  • General Practice Physician
  • Honokaa, HI
  • NPI 1992398895
  NPD
• Kau Hospital

  dba East Hawaii Health Clinic at Puna Kai

  • Rural Health Clinic/Center
  • Pahoa, HI
  • NPI 1285450163
  NPD
• Ihc-Sacred Heart Emergency Physicians, LLC

  • Emergency Medicine Physician
  • Eau Claire, WI
  • NPI 1992847826
  NPD (past)
• Mercy Health Services-Iowa Corp

  dba MercyOne Northwood Pharmacy

  • Community/Retail Pharmacy
  • Northwood, IA
  • NPI 1316909484
  NPD (past)
• Midpacific Hospitalists LLC

  • Internal Medicine Physician
  • Kailua, HI
  • NPI 1053778217
  NPD (past)

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

{
    "created_epoch": "1143072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1003875303",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 E WISCONSIN AVE",
            "address_2": "SUITE 2000",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532024815",
            "telephone_number": "414-290-6720",
            "fax_number": "414-290-6755"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 E WISCONSIN AVE",
            "address_2": "SUITE 2000",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532024815",
            "telephone_number": "414-290-6720",
            "fax_number": "414-290-6755"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ANKRUM",
        "first_name": "ADAM",
        "middle_name": "C",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-23",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "46620",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "HI",
            "license": "DOS-1523",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "43515300",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "114622715",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00143665",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Melissa Fay Anglin, M.D.
• Marystella Anidi
• Rishika Anil, MD
• Anilkumar Singh MD SC
• Anna Anklam, CNM
• Ann & Dan Welcome Home
• Anna Kostelanetz, MD SC
• Anne Maedke, DC Dabci (Maedke Chiropractic Center)
• Venkata Vijay K Anne, MD
• Kristin Kay Annen, MSW, APSW

• Emergency Medicine Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Emergency Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.