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

John Denning

Individual provider Internal Medicine Physician · NPI 1518584614

John Denning is a Diagnostic Radiology in Iowa City, Iowa. Graduated from Columbia University College of Physicians and Surgeons in 2020, 6 years ago. Practices with State University of Iowa, a 1,885-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
6
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
IA
In the registry since
2020
Specialties on file
2
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Practice location Address checks out

200 Hawkins Dr Dept OF Internal Medicine
Iowa City, IA 52242-1009
Phone: (917) 586-8507
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 105 E 9th St, Coralville, IA 52241-2209 — (319) 467-2000
  • 2450 Coral Ct, Coralville, IA 52241-2975 — (319) 645-6600
  • 500 E Market St, Iowa City, IA 52245-2633 — (319) 339-3551

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence MD-55035 (IA)
Internal Medicine Physician Taxonomy 207R00000X · Licence R-11786 (IA)

Record details

NPI number1518584614
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 6, 2020
Last updated in NPPESJuly 7, 2025
Certification dateJuly 7, 2025

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2020 (6 years in practice)
Group practice State University Of Iowa — 1885 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Iowa City