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

Michael J O'Brien, MD

Individual provider Diagnostic Radiology Physician · NPI 1720168172

Michael J O'Brien, MD is a Diagnostic Radiology in Lakewood, Colorado. Graduated from University of Vermont College of Medicine in 1997, 29 years ago. Practices with Colorado Imaging Associates P C, a 61-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
29
Trained at
University of Vermont College of Medicine
Licensed in
CO
In the registry since
2006
Specialties on file
2
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

11600 W 2nd Pl
Lakewood, CO 80228-1527
Phone: (720) 321-0000
Fax: (720) 321-1621
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular & Interventional Radiology Physician (primary) Taxonomy 2085R0204X · Licence DR.0046816 (CO)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence DR.0046816 (CO)

Record details

NPI number1720168172
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESJune 12, 2019

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Also practisesINTERVENTIONAL RADIOLOGY
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Colorado Imaging Associates P C — 61 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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