Keith David Aaronson, MD

Primary specialty

Advanced Heart Failure and Transplant Cardiology PhysicianTaxonomy code 207RA0001X

License

4301049874 Issued in MI

Practice address

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000

Phone

(734) 936-4000

NPI assigned

Oct 26, 2006

Last updated

Dec 5, 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 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MI

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

Advanced Heart Failure and Transplant CardiologyAlso: Cardiovascular Disease (Cardiology), Internal Medicine

Education

Baylor College of Medicine, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the University of MichiganGroup PAC ID 3779496856, shared by 45 NPIs, 3,344 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Michigan Health System Hospital, Ann Arbor, MI, CCN 230046
• Mymichigan Medical Center Alpena Hospital, Alpena, MI, CCN 230036
• Henry Ford Allegiance Health Hospital, Jackson, MI, CCN 230092

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kaaronson26589@direct.med.umich.edu

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.

• Regents of the University of Michigan

  • Internal Medicine Physician
  • Ann Arbor, MI
  • NPI 1205868353
  Medicare reassignment NPD
• Regents of the University of Michigan

  • Cardiovascular Disease Physician
  • Ann Arbor, MI
  • NPI 1952331936

  Internal Medicine

  Medicare reassignment NPD
• Regents of the University of Michigan

  • Rheumatology Physician
  • Brighton, MI
  • NPI 1174555221

  Internal Medicine

  NPD
• Regents of the University of Michigan

  • Specialty Pharmacy
  • Dexter, MI
  • NPI 1952181919
  NPD
• Regents of the University of Michigan

  dba University of Michigan Health System

  • General Acute Care Hospital
  • Ann Arbor, MI
  • NPI 1003878539
  NPD (past)

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

• Mymichigan Medical Center Alpena

  • Rural Acute Care Hospital
  • Sault Sainte Marie, MI
  • NPI 1619791431
  Care Compare affiliation
• Mymichigan Medical Center Alpena

  • Rural Acute Care Hospital
  • Alpena, MI
  • NPI 1619914652
  Care Compare affiliation
• Mymichigan Medical Center Alpena

  • Internal Medicine Physician
  • Alpena, MI
  • NPI 1942302302

  Hospital

  Care Compare affiliation
• Regents of the University of Michigan

  dba University of Michigan Health System

  • General Acute Care Hospital
  • Ann Arbor, MI
  • NPI 1003878539
  Care Compare affiliation
• W.a. Foote Memorial Hospital

  dba Henry Ford Allegiance Health

  • General Acute Care Hospital
  • Jackson, MI
  • NPI 1053403402
  Care Compare affiliation

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

{
    "created_epoch": "1161820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764892800000",
    "number": "1144305301",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3621 S STATE ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081633",
            "telephone_number": "734-647-5299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 East Medical Center Dr",
            "address_2": "Level 3",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481095856",
            "country_code": "US",
            "telephone_number": "888-287-1082",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AARONSON",
        "first_name": "KEITH",
        "middle_name": "DAVID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-26",
        "last_updated": "2025-12-05",
        "certification_date": "2025-12-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301049874",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MI",
            "license": "4301049874",
            "primary": false
        },
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "MI",
            "license": "4301049874",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3308967",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Andrea Lynn Aagesen, D.O.
• Aahi St Joseph Mercy Hospital Inc
• Aaron Heller DO PLLC
• Bryan Louis Aaron, MD
• Leslie Sherial Aaron
• Rajani D Aatre, M.S., M.SC.
• ABA Pathways, LLC
• Abadi Psychology, PLLC
• Zahra Taleb Abadi
• Gabriella Abalo

• Advanced Heart Failure and Transplant Cardiology Physician in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Advanced Heart Failure and Transplant Cardiology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 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.