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

John Biren-Fetz, DO

Individual provider Internal Medicine Physician · NPI 1255821120

John Biren-Fetz, DO is a Diagnostic Radiology in Chicago, Illinois. Graduated from Arizona College of Osteopathic Medicine Mid Western University in 2018, 8 years ago. Practices with Modesto Radiological Medical Group Inc, a 97-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona, California and Illinois.

Years since qualifying
8
Trained at
Arizona College of Osteopathic Medicine Mid Western University
Licensed in
AZ, CA, IL
In the registry since
2018
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1740 W Taylor St # MC931
Chicago, IL 60612-7232
Phone: (312) 996-0235
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1501 N Campbell Ave Rm 6336, Tucson, AZ 85724-5040 — (520) 626-8818

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 20A22502 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence R3011 (AZ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 125.074472 (IL)

Record details

NPI number1255821120
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 15, 2018
Last updated in NPPESAugust 12, 2024
Certification dateAugust 12, 2024

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Graduated 2018 (8 years in practice)
Group practice Modesto Radiological Medical Group Inc — 97 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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