Jonathan Fergus
Diagnostic Radiology Physician · Chicago, IL
Jonathan Fergus is a diagnostic radiology physician with a practice address in Chicago, Illinois, and NPI 1861924805, issued on Mar 29, 2017. Check the license (Illinois 125.071626, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jonathan Fergus
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 125.071626 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave # MC2026, Chicago, IL 60637
- Phone
- (773) 702-3550
- Enumerated
- Mar 29, 2017
- Record last updated
- Jun 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230901000420); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,874 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave # MC2026
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amer Uddin AhmedStudent in an Organized Health Care Education/Training Program1457938839
- Farhan Ahmed, MDDiagnostic Radiology Physician1811519465
- Nasser Ali, MDNeuroradiology Physician1538655824
- Jonathan Amodio, MDDiagnostic Radiology Physician1982223236
Verify Jonathan Fergus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125.071626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $415.62
7 payments; by number, the most common kind was food and beverage; the largest payer was TriSalus Life Sciences, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Illinois Diagnostic And Interventional Radiology PLLCChicago, IL
- Munster Radiology Group PCBuffalo Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Fergus among 1,874 diagnostic radiology physician records in Illinois
Jonathan Fergus 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 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2004 among the 1,201 with a school on file
- Record last updated2018 · 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.
All 1,874 in Illinois → Every provider in Chicago → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ruth Ceulemans, MDChicago, IL 606371730140062
- Paul ChangChicago, IL 606371023080983
- Brian FunakiChicago, IL 606371356492326
- Carla HarmathChicago, IL 606371962486639
- Gregory Katzman, MDChicago, IL 606371831286889
- Luis LanderasChicago, IL 606371659304855
- Grace LeeChicago, IL 606371437121472
- Jeffrey LeefChicago, IL 606371174674147
Common questions
What is Jonathan Fergus's NPI number?
Jonathan Fergus's National Provider Identifier (NPI) is 1861924805, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Fergus located?
The NPPES record lists a practice address at 5841 S Maryland Ave # MC2026, Chicago, IL, 60637. Phone: (773) 702-3550. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Fergus's license?
NPPES lists Illinois license number 125.071626, as entered by the provider. 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.
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.