Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Gilbert Felker, MD

Individual provider Diagnostic Radiology Physician · NPI 1679514996

Dr. John Gilbert Felker, MD is a Diagnostic Radiology in Glen Ellyn, Illinois. Graduated from University of Kentucky College of Medicine in 1990, 36 years ago. Practices with The South Bend Clinic LLC, a 170-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
36
Trained at
University of Kentucky College of Medicine
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

430 Pennsylvania Ave Ste 110
Glen Ellyn, IL 60137-4464
Phone: (630) 946-2020
Fax: (630) 432-6754
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 036098949 (IL)

Record details

NPI number1679514996
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 9, 2006
Last updated in NPPESAugust 7, 2023
Certification dateAugust 7, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF KENTUCKY COLLEGE OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice The South Bend Clinic Llc — 170 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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