Individual provider Active NPI

Ian Cheong

  • Neurology Physician
  • Ann Arbor, MI
National Provider Identifier
1801415575
Registry record updated Jun 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
4301517585 Issued in MI
Practice address
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone
(734) 936-4000
NPI assigned
Apr 13, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 4301517585 MI Primary
Neurology Physician 2084N0400X D0100810 MD

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

1800 Orleans St
Baltimore, MD 21287-0010
Phone (408) 309-0296

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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

Enrollment IDStateProvider typePAC IDDetails
I20250701000915 MD Practitioner - Neurology 7618398868 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 2020
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)

1500 E Medical Ctr Dr
Ann Arbor, MI 48109-5000
Phone (734) 936-4000

Hospital & facility affiliations

  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009
  • 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
D0100810MDMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University Current Accepting new patients
Johns Hopkins University CurrentSince Jul 1, 2025 Accepting new patients
Johns Hopkins University Neurology CurrentSince Jul 1, 2025 Accepting new patients

Locations

5200 Eastern Ave
Fl 3
Baltimore, MD 21224
Phone (410) 550-0526

600 N Wolfe St
Baltimore, MD 21287

1800 Orleans St
Baltimore, MD 21287
Phone (410) 502-2037

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

Interoperability endpoints

  • Direct secure messaging: icheong529453@direct.hopkinsmedicine.org

Organizations & group practices 3

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 2

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": "1586736000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1801415575",
    "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": "1800 Orleans St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870010",
            "country_code": "US",
            "telephone_number": "408-309-0296",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEONG",
        "first_name": "IAN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-13",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MI",
            "license": "4301517585",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MD",
            "license": "D0100810",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

Verify at the official NPI Registry.