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

Dr. Colin James O'Brien, MD

Individual provider Diagnostic Radiology Physician · NPI 1134173016

Dr. Colin James O'Brien, MD is a Diagnostic Radiology in Coralville, Iowa. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1996, 30 years ago. Practices with Mahaska County Hospital, a 124-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
30
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA
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

2769 Heartland Dr Ste 105
Coralville, IA 52241-2732
Phone: (319) 545-7310
Fax: (319) 545-7314
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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 35980 (IA)

Record details

NPI number1134173016
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 22, 2006
Last updated in NPPESApril 27, 2021
Certification dateApril 27, 2021

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Mahaska County Hospital — 124 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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