Nancy A Sibigtroth, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

Practice address

1501 S California Ave
Chicago, IL 60608-1732

Phone

(773) 257-6498

NPI assigned

Jul 22, 2005

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Radiation OncologyAlso: Diagnostic Radiology

Education

Rush Medical College of Rush University, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mount Sinai Community FoundationGroup PAC ID 5991600405, 247 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mt Sinai Hospital Medical Center Hospital, Chicago, IL, CCN 140018
• Holy Cross Hospital Hospital, Chicago, IL, CCN 140133

Merit-based Incentive Payment System (MIPS)

Final score

94.03 of 100Reported as group

Quality

71.53

Promoting interoperability

100

Improvement activities

40

Cost

76.89

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

• Mount Sinai Community Foundation

  dba Sinai Medical Group

  • Rehabilitation Hospital
  • Chicago, IL
  • NPI 1376715896
  Medicare reassignment Care Compare group NPD
• Mount Sinai Community Foundation

  dba Southwest Hematology/Oncology Consultants

  • Hematology & Oncology Physician
  • Chicago, IL
  • NPI 1629494224
  NPD
• Mount Sinai Community Foundation

  dba Sinai Medical Group

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1982657854
  NPD

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

• Holy Cross Hospital

  • Psychiatric Hospital Unit
  • Chicago, IL
  • NPI 1427547538
  Care Compare affiliation
• Holy Cross Hospital

  • Substance Abuse Rehabilitation Facility
  • Chicago, IL
  • NPI 1770335770

  Hospital

  Care Compare affiliation
• Holy Cross Hospital

  • Substance Abuse Rehabilitation Facility
  • Chicago, IL
  • NPI 1821840828

  Hospital

  Care Compare affiliation
• Holy Cross Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1962425611
  Care Compare affiliation
• Mount Sinai Hospital Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1871581314
  Care Compare affiliation

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

{
    "created_epoch": "1121990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1013917764",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3537 PAYSPHERE CIR",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606740035",
            "telephone_number": "708-786-2900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 S CALIFORNIA AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606081732",
            "telephone_number": "773-257-6498"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIBIGTROTH",
        "first_name": "NANCY",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036-092443-1",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Carlos R Sian, MPH, PA-C
• George Sianis, MD
• Erika Siauciunas
• Siaw Enterprises, LLC
• Theresa K Siaw
• Jayme L Sibley, PA-C
• Hiba Siblini, MD
• Mark Allan Sibul, MD
• Pabla Sicairos Garcia
• Meredith Sices, LSW

• Diagnostic Radiology Physician in Chicago, IL
• Providers in Chicago, 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.