NPIMap

Individual provider Active NPI

Matthew Brian Amdahl, MD, PHD

  • Internal Medicine Physician
  • Rochester, MN
National Provider Identifier
1245868819
Registry record updated Sep 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
69743 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-0001
Phone
(507) 284-2511
NPI assigned
Mar 30, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 69743 MN Primary
Cardiovascular Disease Physician 207RC0000X 69743 MN
Internal Medicine Physician 207R00000X 30758 MN

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-0001

Mailing address

2925 Chicago Ave
Minneapolis, MN 55407-1321
Phone (612) 262-9000

Other practice location 1

225 Smith Ave N Ste 400
Saint Paul, MN 55102-2568
Phone (651) 290-0133

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address mamdahl1215387@ehrdirect.mayoclinicmsg.org
Direct Messaging Address mamdahl809400@excellian.direct.allina.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210805002072 MN Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 3577986439 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine
Education
University of Pittsburgh School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Allina Health SystemGroup PAC ID 4587573613, 3,844 clinicians

Practice addresses (Care Compare)

225 Smith Ave N
Suite 400
St Paul, MN 55102-2568
Phone (651) 241-7176

Hospital & facility affiliations

  • Mayo Clinic Hospital Rochester Hospital, Rochester, MN, CCN 240010
  • Allina United Hospital Hospital, Saint Paul, MN, CCN 240038

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Doctor of Philosophy

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Health System-Southwest Minnesota Region Current Accepting new patients
Mayo Clinic Health System-Southeast Minnesota Region Current Accepting new patients
Mayo Clinic CurrentSince Jul 15, 2021 Accepting new patients
Mayo Clinic Health System-Southeast Minnesota Region CurrentSince May 26, 2022 Accepting new patients
Mayo Clinic Current Accepting new patients
Mayo Clinic CurrentSince Jul 15, 2021 Accepting new patients
Mayo Clinic Health System-Southwest Minnesota Region CurrentSince May 26, 2022 Accepting new patients
Mayo Clinic Health System-Southeast Minnesota Region CurrentSince May 26, 2022 Accepting new patients
Mayo Clinic Health System-Southwest Minnesota Region Current Accepting new patients

Locations

404 W Fountain St
Albert Lea, MN 56007
Phone (507) 377-6285

1000 1st Dr NW
Austin, MN 55912
Phone (507) 433-7351

1025 Marsh St
Mankato, MN 56001
Phone (507) 345-2623

101 Martin Luther King Dr
Mankato, MN 56001
Phone (507) 385-6500

301 2nd St NE
New Prague, MN 56071
Phone (952) 758-4431

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

Interoperability endpoints

  • Direct secure messaging: mamdahl1215387@ehrdirect.mayoclinicmsg.org

Organizations & group practices 10

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

Hospital & facility affiliations 16

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

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1585526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1245868819",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2925 CHICAGO AVE",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554071321",
            "telephone_number": "612-262-9000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "225 Smith Ave N Ste 400",
            "address_purpose": "LOCATION",
            "city": "Saint Paul",
            "state": "MN",
            "postal_code": "551022568",
            "country_code": "US",
            "telephone_number": "651-290-0133",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AMDAHL",
        "first_name": "MATTHEW",
        "middle_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-30",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "69743",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MN",
            "license": "69743",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "30758",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mamdahl1215387@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559050001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mamdahl809400@excellian.direct.allina.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/PDF/TXT",
            "address_1": "225 Smith Ave N Ste 400",
            "city": "Saint Paul",
            "state": "MN",
            "country_code": "US",
            "postal_code": "551022568",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.