NPPES file of Aug 9, 2026

Nancy A. Sibigtroth, M.D.

Diagnostic Radiology Physician · Chicago, IL

Nancy A. Sibigtroth, M.D. is a diagnostic radiology physician with a practice address in Chicago, Illinois, and NPI 1013917764, issued on Jul 22, 2005. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013917764
Name
Nancy A. Sibigtroth
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
Practice location
1501 S California Ave, Chicago, IL 60608
Phone
(773) 257-6498
Enumerated
Jul 22, 2005
Record last updated
Jul 13, 2026
Medicaid ID
036-092443-1 IL
Medicare enrollment
Enrolled (PECOS I20100728000112); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1501 S California Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Traci Aaron, PA-CMedical Physician Assistant1174510200
  2. Adriana Acurio, M.D.Clinical Pathology/Laboratory Medicine Physician1346568748
  3. Ali Ader, APNP, CRNACertified Registered Nurse Anesthetist1225308281
  4. Yoglackshan Ahluwalia, M.D.Psychiatry Physician1033101688
  5. Ayesha Ahmed, M.D.Anesthesiology Physician1104825108
  6. Mohammad Ahmed, M.D.Nephrology Physician1831190784

Verify Nancy A. Sibigtroth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 80.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score65.0
  2. Costout of 100 · 30%63.2
  3. Promoting interoperabilityout of 100 · 25%72.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mount Sinai Community FoundationChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nancy A. Sibigtroth among 1,874 diagnostic radiology physician records in Illinois

Nancy A. Sibigtroth, M.D. is one of 1,874 diagnostic radiology physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1991 · median 2004 among the 1,201 with a school on file
  • Record last updated2026 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Illinois

There are 1,874 diagnostic radiology physician records in Illinois.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Ammar Al-Saraf, M.D.Chicago, IL 606081720423312
  2. Ameeta Bajaj, M.D.Chicago, IL 606081114910387
  3. Timothy Cotter, M.D.Chicago, IL 606081790769511
  4. John Gall, M.D.Chicago, IL 606081376543900
  5. Erica Guzalo, M.D.Chicago, IL 606081861491250
  6. Ali HabibChicago, IL 606081871984823
  7. Alan Hecht, M.D.Chicago, IL 606081689674335
  8. Brian Herman, M.D.Chicago, IL 606081831120278

Common questions

What is Nancy A. Sibigtroth, M.D.'s NPI number?

Nancy A. Sibigtroth, M.D.'s National Provider Identifier (NPI) is 1013917764, issued on Jul 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Nancy A. Sibigtroth, M.D. located?

The NPPES record lists a practice address at 1501 S California Ave, Chicago, IL, 60608. Phone: (773) 257-6498. Providers update this record themselves, so call before visiting.

How can I verify Nancy A. Sibigtroth, M.D.'s license?

Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Nancy A. Sibigtroth, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.