Individual provider Active NPI

Grace Y Sun, MD

  • Radiation Oncology Physician
  • Orland Park, IL
National Provider Identifier
1033796479
Registry record updated Aug 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
036181224 Issued in IL
Practice address
15300 West Ave # LL
Orland Park, IL 60462-4600
Phone
(708) 448-9393
Fax
(708) 448-7530
NPI assigned
Mar 24, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Radiation Oncology Physician 2085R0001X 036181224 IL Primary

Addresses

Primary practice location

15300 West Ave # LL
Orland Park, IL 60462-4600

Mailing address

15300 West Ave
Orland Park, IL 60462-4600
Phone (708) 448-9393

Other practice location 1

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone (734) 936-4300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786579200000",
    "number": "1033796479",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15300 WEST AVE",
            "city": "ORLAND PARK",
            "state": "IL",
            "postal_code": "604624600",
            "telephone_number": "708-448-9393"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15300 WEST AVE # LL",
            "city": "ORLAND PARK",
            "state": "IL",
            "postal_code": "604624600",
            "telephone_number": "708-448-9393",
            "fax_number": "708-448-7530"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 E Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481095000",
            "country_code": "US",
            "telephone_number": "734-936-4300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SUN",
        "first_name": "GRACE",
        "middle_name": "Y",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-24",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "036181224",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orland Park, IL

Sources for this page

Verify at the official NPI Registry.