Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. John T Fiedler, MD

Individual provider Internal Medicine Physician · NPI 1487623716

Mr. John T Fiedler, MD is an Internal Medicine in Elgin, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1993, 33 years ago. Practices with Dupage Medical Group Ltd, a 1,328-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Trained at
Loyola University of Chicago, Stritch School 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

745 Fletcher Dr Ste 101
Elgin, IL 60123
Phone: (847) 742-3525
Fax: (847) 742-3585
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036095731 (IL)

Record details

NPI number1487623716
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 17, 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 specialtyINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Dupage Medical Group Ltd — 1328 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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