Abel R Castellano, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

036117233 Issued in IL

Practice address

5666 E State St
Rockford, IL 61108-2425

Phone

(815) 226-2000

NPI assigned

Feb 7, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

Diagnostic Radiology

Education

University of Iowa, RJ & L Carver College of Medicine, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Osf Multi-Specialty GroupGroup PAC ID 3678889789, 2,123 clinicians

Rockford Radiology AssocGroup PAC ID 1254330749, 43 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Anthony Medical Center Hospital, Rockford, IL, CCN 140233
• Osf Saint Katharine Medical Center Hospital, Dixon, IL, CCN 140012
• Osf Saint Elizabeth MDL Ctr Hospital, Peru, IL, CCN 140110
• Uw Health Hospital, Rockford, IL, CCN 140228
• CGH Medical Center Hospital, Sterling, IL, CCN 140043

Merit-based Incentive Payment System (MIPS)

Final score

92.52 of 100Reported as group

Quality

90

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Rockford Radiology Assoc

  • Diagnostic Radiology Physician
  • Rockford, IL
  • NPI 1740247535
  Medicare reassignment Care Compare group NPD
• Osf Multi-Specialty Group

  • Internal Medicine Physician
  • Peoria, IL
  • NPI 1922445527
  Medicare reassignment Care Compare group
• Radiology Fond Du Lac LTD

  • Diagnostic Radiology Physician
  • Fond Du Lac, WI
  • NPI 1134191687
  NPD (past)

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

• CGH Medical Center

  • General Acute Care Hospital
  • Sterling, IL
  • NPI 1902854623
  Care Compare affiliation
• Osf Healthcare System

  • General Acute Care Hospital
  • Dixon, IL
  • NPI 1508683590
  Care Compare affiliation
• Ottawa Regional Hospital & Healthcare Center

  • General Acute Care Hospital
  • Peru, IL
  • NPI 1588713440
  Care Compare affiliation
• Saint Anthony Medical Center

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1790739977
  Care Compare affiliation
• Swedishamerican Hospital

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1760542732
  Care Compare affiliation

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

{
    "created_epoch": "1139270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1508838145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5666 E STATE ST",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611082425",
            "telephone_number": "815-226-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5666 E STATE ST",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611082425",
            "telephone_number": "815-226-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "481 E Division St",
            "address_purpose": "LOCATION",
            "city": "Fond Du Lac",
            "state": "WI",
            "postal_code": "549353748",
            "country_code": "US",
            "telephone_number": "920-921-5676",
            "fax_number": "920-921-2684",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTELLANO",
        "first_name": "ABEL",
        "middle_name": "R",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-07",
        "last_updated": "2026-07-13",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WI",
            "license": "37750",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "036117233",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica L Cass, APRN
• Paul Cassioppi
• Sonia Castaneda, MSW, LSW
• Ashleigh Castanza
• Carol Andrea Castelino, M.D.
• Olivia Castellanos
• Maria Carolina Castillo Clavijo, MD
• Angeline M Castillo-Febles, MD
• Jessica Marie Castro, APRN
• Lynette M Castronovo, N.P.

• Diagnostic Radiology Physician in Rockford, IL
• Providers in Rockford, IL by specialty
• Diagnostic Radiology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.