Individual provider Active NPI

Christopher Douglas Abraham, MD

  • Radiation Oncology Physician
  • Springfield, IL
National Provider Identifier
1083900294
Registry record updated Feb 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
036141682 Issued in IL
Practice address
701 N 1St St
Springfield, IL 62781-0001
Phone
(217) 280-9161
NPI assigned
Jun 27, 2011
Last updated
Feb 26, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 26, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 036141682 IL Primary
Radiation Oncology Physician 2085R0001X 2016028022 MO

Addresses

Primary practice location

701 N 1St St
Springfield, IL 62781-0001

Mailing address

PO Box 19248
Springfield, IL 62794-9248

Other identifiers 1

IdentifierTypeStateIssuer
200037761MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, IL2 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
I20161121001347 MO Practitioner - Radiation Oncology 8921237785 Reassigns benefits to 1 organization
I20170412001711 IL Practitioner - Radiation Oncology 8921237785 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians
Springfield Clinic, LLPGroup PAC ID 0547166076, 678 clinicians

Practice addresses (Care Compare)

4921 Parkview PL
Lowr LVL
Saint Louis, MO 63110-1032
Phone (314) 362-9715

5225 Mid America PLZ
Saint Louis, MO 63129-0002
Phone (314) 286-1911

6 Memorial Dr
BLDG C
Alton, IL 62002-6751
Phone (618) 433-7979

701 N 1St St
Springfield, IL 62781-0001
Phone (217) 528-7541

775 Engineering Ave
Springfield, IL 62703-5909
Phone (217) 522-4300

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.01 of 100Reported as group
Quality
76.14
Promoting interoperability
99
Improvement activities
40
Cost
76.43

Merit-based Incentive Payment System (MIPS)

Final score
84.2 of 100Reported as group
Quality
71.6
Promoting interoperability
100
Improvement activities
40
Cost
75.75

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2016028022MOMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University Physicians in Illinois, Inc CurrentSince Nov 1, 2018 Accepting new patients
Washington University Physicians in Illinois, Inc Current Accepting new patients
Springfield Clinic, LLP CurrentSince Dec 25, 2025 Accepting new patients
Washington University Physicians in Illinois, Inc. CurrentSince Nov 1, 2018 Accepting new patients
Washington University Physicians in Illinois, Inc Past Accepting new patients

Locations

6 Memorial Dr
Bldg C
Alton, IL 62002
Phone (618) 433-7979

4500 Memorial Dr
Belleville, IL 62226
Phone (618) 233-7750

701 N 1st St
Springfield, IL 62781
Phone (217) 788-3100

775 Engineering Ave
Springfield, IL 62703
Phone (217) 522-4300

4240 Duncan Ave
Ste 301
Saint Louis, MO 63110

Interoperability endpoints

  • Direct secure messaging: christopher.abraham.1@28977.direct.athenahealth.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 7

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": "1309132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1083900294",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 19248",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627949248"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 N 1ST ST",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627810001",
            "telephone_number": "217-280-9161"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ABRAHAM",
        "first_name": "CHRISTOPHER",
        "middle_name": "DOUGLAS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-06-27",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "036141682",
            "primary": true
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MO",
            "license": "2016028022",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200037761",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4921 Parkview Pl",
            "address_2": "Dept Radiation Oncology, LL",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Springfield, IL

Sources for this page

Verify at the official NPI Registry.