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Office
501 E Hampden Ave
Englewood, CO 80113Phone+1 303-761-9190Fax+1 720-874-4462
Education & Training
- University of ColoradoResidency, Radiology-Diagnostic, 1989 - 1993
- St Mary's Hospital and Medical CenterInternship, Internal Medicine, 1988 - 1989
- University of California San Francisco School of MedicineClass of 1988
Certifications & Licensure
- HI State Medical License 2014 - 2026
- CO State Medical License 1992 - 2025
- KS State Medical License 2013 - 2025
- NE State Medical License 2009 - 2024
- CA State Medical License 1992 - 2021
- WA State Medical License 1993 - 2014
- American Board of Radiology Diagnostic Radiology
Publications & Presentations
PubMed
- 81 citationsEvaluation of a non-breath-hold MR cholangiography technique.S.E. Macaulay, S J Schulte, J H Sekijima, R G Obregon, H E Simon
Radiology. 1995-07-01 - 508 citationsAccuracy of CT Colonography for Detection of Large Adenomas and CancersC. Daniel Johnson, Mei Hsiu Chen, Alicia Y. Toledano, Jay P. Heiken, Abraham H. Dachman
The New England Journal of Medicine. 2008-09-18 - 45 citationsRadiologic findings of adult primary immunodeficiency disorders : contribution of CTRichard G. Obregon, David A. Lynch, Terese Kaske, John D. Newell, Charles H. Kirkpatrick
Chest. 1994-08-01
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