Christoffer Alton Dimla Amdahl, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

104047 Issued in WI

Practice address

4602 Eastpark Blvd
Madison, WI 53718-2002

Phone

(608) 263-7540

Fax

(608) 662-4545

NPI assigned

Mar 31, 2021

Last updated

Sep 11, 2026By 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 4

Addresses

Medicare fee-for-service enrollment

Enrolled in ME

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

Merit-based Incentive Payment System (MIPS)

Final score

86.22 of 100Reported as group

Quality

75.39

Promoting interoperability

84

Improvement activities

40

Cost

75.32

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: christoffer.amdahl@hca7.eclinicaldirectplus.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.

• Mainegeneral Medical Center

  • General Acute Care Hospital
  • Augusta, ME
  • NPI 1669423380
  Medicare reassignment NPD
• Mainegeneral Medical Center

  dba MaineGeneral Pharmacy

  • Community/Retail Pharmacy
  • Waterville, ME
  • NPI 1477344976
  NPD
• University of Oregon

  • Clinic/Center
  • Eugene, OR
  • NPI 1760435234
  NPD (past)

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

{
    "created_epoch": "1617148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1861070765",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4602 EASTPARK BLVD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537182002",
            "telephone_number": "608-263-7540",
            "fax_number": "608-662-4545"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "621 Science Dr",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537111074",
            "country_code": "US",
            "telephone_number": "608-263-8850",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AMDAHL",
        "first_name": "CHRISTOFFER",
        "middle_name": "ALTON DIMLA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-31",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "ME",
            "license": "MD27991",
            "primary": false
        },
        {
            "code": "207QS0010X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Sports Medicine",
            "state": "OR",
            "license": "MD225485",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "WI",
            "license": "104047",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madeline Jean Ambord
• Lisa L. Ambrose
• Noelle Ambrose
• Cristian Anibal Ambrosio, MD
• Claire Louise Ambrowiak
• Amdcounseling
• Amedisys Wisconsin LLC (Amedisys Home Health)
• Christina Amend, M.D.
• Michelle Amendola, M.A. CCC-SLP
• Ellie M Ament, NP

• Orthopaedic Surgery Physician in Madison, WI
• Providers in Madison, WI by specialty
• Orthopaedic Surgery Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2026; 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.