Marie Dominica Arnaout, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

5101026749 Issued in MI

Practice address

4350 Jackson Rd Ste 200
Ann Arbor, MI 48103-1889

Phone

(734) 761-2581

Fax

(734) 761-9540

NPI assigned

May 8, 2018

Last updated

Aug 18, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

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

Internal MedicineAlso: Pediatric Medicine

Education

Liberty Univ College of Osteopathic Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Iha Health Services CorporationGroup PAC ID 2466351440, 1,149 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Trinity Health Ann Arbor Hospital Hospital, Ann Arbor, MI, CCN 230156
• Chelsea Hospital Hospital, Chelsea, MI, CCN 230259

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: marnaout2049643@direct.trinity-health.org

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.

• Iha Health Services Corporation

  dba IHA Canton Obstetrics and Gynecology

  • Obstetrics & Gynecology Physician
  • Canton, MI
  • NPI 1457408965
  Medicare reassignment Care Compare group NPD
• Iha Health Service Corporation

  dba Trinity Health IHA Medical Group OB/GYN Float

  • Obstetrics & Gynecology Physician
  • Ypsilanti, MI
  • NPI 1831053701
  NPD
• Iha Health Services Corporation

  dba IHA Family and Internal Medicine- West Arbor

  • Family Medicine Physician
  • Ann Arbor, MI
  • NPI 1366599409
  NPD
• Iha Health Services Corporation

  dba IHA Milan Primary Care

  • Family Medicine Physician
  • Milan, MI
  • NPI 1467509067
  NPD (past)

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

• St Joseph Mercy Chelsea Inc

  dba Chelsea Hospital

  • General Acute Care Hospital
  • Chelsea, MI
  • NPI 1992761985
  Care Compare affiliation
• St Joseph Mercy Hospital

  dba Trinity Heath Ann Arbor Hospital

  • General Acute Care Hospital
  • Ypsilanti, MI
  • NPI 1780658443
  Care Compare affiliation

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

{
    "created_epoch": "1525737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1740779479",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24 FRANK LLOYD WRIGHT DR # J2000",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481059484",
            "telephone_number": "734-747-6766"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4350 JACKSON RD STE 200",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481031889",
            "telephone_number": "734-761-2581",
            "fax_number": "734-761-9540"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Oakland Dr",
            "address_purpose": "LOCATION",
            "city": "Kalamazoo",
            "state": "MI",
            "postal_code": "490081282",
            "country_code": "US",
            "telephone_number": "269-337-6345",
            "fax_number": "269-337-6222",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ARNAOUT",
        "first_name": "MARIE",
        "middle_name": "DOMINICA",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-08",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MI",
            "license": "5151011277",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "5101026749",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MI",
            "license": "5101026749",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joan Marie Armstrong, N.P.
• Moira Armstrong
• Natalie Elizabeth Armstrong
• William F Armstrong, MD
• Armune Bioscience Inc
• Casandra Arndt
• Caroline Drzal Arnedt, M.A., CCC-A
• John Todd Arnedt, PHD
• Katie Elizabeth Arno, MSN, APRN, FNP-C
• Brett Arnold, O.D.

• Internal Medicine Physician in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.