Individual provider Active NPI

Diana S Kakos, MD

  • Internal Medicine Physician
  • Ann Arbor, MI
National Provider Identifier
1346866852
Registry record updated Jul 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
4301509016 Issued in MI
Practice address
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone
(734) 647-5299
NPI assigned
Jun 20, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 1018632 MA
Internal Medicine Physician 207R00000X 4301509016 MI Primary

Addresses

Primary practice location

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

Mailing address

3621 S State St
Ann Arbor, MI 48108-1633
Phone (734) 647-5299

Other practice location 1

75 Francis St
Boston, MA 02115-6106
Phone (617) 732-5500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, MI2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20240627003778 MA Practitioner - Internal Medicine 8224452198 Reassigns benefits to 1 organization
I20250829000825 MI Practitioner - Internal MedicinePractitioner - Hospitalist 8224452198 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Wayne State University School of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Regents of the University of MichiganGroup PAC ID 3779496856, 3,344 clinicians

Practice addresses (Care Compare)

1500 E Medical Ctr Dr
Mott Hospital
Ann Arbor, MI 48109-0999
Phone (734) 763-5533

Hospital & facility affiliations

  • University of Michigan Health System Hospital, Ann Arbor, MI, CCN 230046

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1018632MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of Michigan Internal Medicine CurrentSince Jul 22, 2025 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
Regents of the University of Michigan Internal Medicine Current Accepting new patients
Regents of the University of Michigan CurrentSince Jul 22, 2025 Accepting new patients
Brigham & Womens Physicians Organization Inc Internal Medicine CurrentSince Jun 15, 2024 Accepting new patients
Regents of the University of Michigan Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

62 13th St
Charlestown, MA 02129
Phone (617) 724-4260

3621 S State St
Ann Arbor, MI 48108
Phone (734) 647-5229

2215 Fuller Rd
Ann Arbor, MI 48105
Phone (734) 845-5290

1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280

Interoperability endpoints

  • Direct secure messaging: kakos.diana.bwh@direct.partners.masshiway.net

Organizations & group practices 6

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 1

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

NPI Registry JSON

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

{
    "created_epoch": "1592611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752624000000",
    "number": "1346866852",
    "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": "734-647-5299"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156106",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KAKOS",
        "first_name": "DIANA",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-06-20",
        "last_updated": "2025-07-16",
        "certification_date": "2025-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1018632",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301509016",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

Verify at the official NPI Registry.