Individual provider Active NPI

Mark Sunung Khil, M.D.

  • Radiation Oncology Physician
  • Quincy, IL
National Provider Identifier
1851398598
Registry record updated Oct 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
036105011 Issued in IL
Practice address
1005 Broadway St
Quincy, IL 62301-2834
Phone
(217) 223-1200
Fax
(217) 214-5675
NPI assigned
Jul 7, 2005
Last updated
Oct 5, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 036105011 IL Primary

Addresses

Primary practice location

1005 Broadway St
Quincy, IL 62301-2834

Mailing address

1005 Broadway St
Quincy, IL 62301-2834
Phone (217) 223-8400

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mkhil23948@blessing.medalliesdirect.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
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
I20040311000130 IL Practitioner - Radiation Oncology 9436048311 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Other, 1978
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Blessing HospitalGroup PAC ID 3072422534, 414 clinicians
Rockford Health PhysiciansGroup PAC ID 2567374036, 520 clinicians

Practice addresses (Care Compare)

1005 Broadway St
Quincy, IL 62301-2834
Phone (217) 223-8400

8201 E Riverside Blvd
Rockford, IL 61114-2300
Phone (815) 971-2000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036105011ILMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Blessing Hospital CurrentSince Dec 1, 2016 Accepting new patients
Blessing Hospital Current Accepting new patients
West Central Pathology Specialists, S.C. Current Accepting new patients
Blessing Hospital Radiation Oncology CurrentSince Dec 1, 2016 Accepting new patients
Quincy Clinical Laboratory Services SC Current Accepting new patients
Blessing Hospital Past Accepting new patients

Locations

2720 Dundee Rd
Northbrook, IL 60062
Phone (224) 226-5222

1005 Broadway St
Quincy, IL 62301

Interoperability endpoints

  • FHIR API: https://fhir.blessinghospital.com/R4/open-Prod

Organizations & group practices 7

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.

Hospital & facility affiliations 3

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": "1120694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791158400000",
    "number": "1851398598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1005 BROADWAY ST",
            "city": "QUINCY",
            "state": "IL",
            "postal_code": "623012834",
            "telephone_number": "217-223-8400",
            "fax_number": "217-277-3960"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1005 BROADWAY ST",
            "city": "QUINCY",
            "state": "IL",
            "postal_code": "623012834",
            "telephone_number": "217-223-1200",
            "fax_number": "217-214-5675"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KHIL",
        "first_name": "MARK",
        "middle_name": "SUNUNG",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-07",
        "last_updated": "2026-10-05",
        "certification_date": "2026-10-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "036105011",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mkhil23948@blessing.medalliesdirect.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1005 Broadway St",
            "city": "Quincy",
            "state": "IL",
            "country_code": "US",
            "postal_code": "623012834",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Quincy, IL

Sources for this page

Verify at the official NPI Registry.