John Gilbert Felker, MD
Diagnostic Radiology Physician · Glen Ellyn, IL
John Gilbert Felker, MD is a diagnostic radiology physician with a practice address in Glen Ellyn, Illinois, and NPI 1679514996, issued on Jun 9, 2006. Check the license (Illinois 036098949, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John Gilbert Felker
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 036098949 IL
Self-reported in NPPES; status is on the state search - Practice location
- 430 Pennsylvania Ave Ste 110, Glen Ellyn, IL 60137
- Phone
- (630) 946-2020
- Enumerated
- Jun 9, 2006
- Record last updated
- Aug 7, 2023
- Fax
- (630) 432-6754
- Medicare enrollment
- Enrolled (PECOS I20170824002757); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1990
- Entity
- Type 1 · individual
Also registered at 430 Pennsylvania Ave Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimberly Klinger, MDDiagnostic Radiology Physician1154776169
- Hassan Sawaf, MDDiagnostic Radiology Physician1588295448
- Bisher Tarabishy, M.D.Diagnostic Radiology Physician1760682249
Verify John Gilbert Felker 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 036098949Check 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: $15.33
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. 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
- Dupage Medical Group LtdGlen Ellyn, IL
- The South Bend Clinic LLCSouth Bend, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
16 diagnostic radiology physician records list a practice address in Glen Ellyn
They are 16 of the 684 NPPES records with a practice address in Glen Ellyn, and 1,874 diagnostic radiology physician records in Illinois.
All 16 in Glen Ellyn → All 1,874 in Illinois → Every provider in Glen Ellyn →
Other diagnostic radiology physician records in Illinois
- Samir Abboud, MDChicago, IL1124361324
- Sarah Abdel-HadiChicago, IL1932846490
- Gerges Abdelsayed, MBBCH BAOMaywood, IL1942902606
- Hiroyuki AbeChicago, IL1275684243
- Nicole Abedrabbo, MDChicago, IL1629872395
- Rita Abejo, MDChicago, IL1477509537
- Matthew Abell, M.D.Springfield, IL1568726826
- Kinan Abou-Kassem, MDSpringfield, IL1609405026
- Srishti Abrol, MDChicago, IL1396240214
- Sharon Adam, M.D.Chicago, IL1619361763
Common questions
What is John Gilbert Felker, MD's NPI number?
John Gilbert Felker, MD's National Provider Identifier (NPI) is 1679514996, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Gilbert Felker, MD located?
The NPPES record lists a practice address at 430 Pennsylvania Ave Ste 110, Glen Ellyn, IL, 60137. Phone: (630) 946-2020. Providers update this record themselves, so call before visiting.
How can I verify John Gilbert Felker, MD's license?
NPPES lists Illinois license number 036098949, 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.