Dr. Orrego is on Doximity
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Office
1375 E 20th Ave
Denver, CO 80205Phone+1 303-338-4545Fax+1 303-764-4468
Education & Training
- Saint Joseph HospitalResidency, Internal Medicine, 2001 - 2003
- University of MichiganFellowship, Endocrinology, Diabetes, and Metabolism, 1998 - 2001
- Institute of Health Sciences Medellin Faculty of MedicineClass of 1989
Certifications & Licensure
- CO State Medical License 2003 - 2025
- American Board of Internal Medicine Endocrinology, Diabetes and Metabolism
Awards, Honors, & Recognition
- Top 5280 endocrinologist in Colorado 5280 Magazine, 2020
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
Publications & Presentations
PubMed
- 111 citationsThe role of radiation therapy after surgical resection of nonfunctional pituitary macroadenomas.Paul Park, William F. Chandler, Ariel L. Barkan, John J. Orrego, John A. Cowan
Neurosurgery. 2004-07-01 - 10 citationsPhysiological testosterone replenishment in healthy elderly men does not normalize pituitary growth hormone output: evidence against the connection between senile hypo...John J. Orrego, Eleni V. Dimaraki, Kathy V. Symons, Ariel L. Barkan
The Journal of Clinical Endocrinology and Metabolism. 2004-07-01 - 27 citationsPituitary disorders. Drug treatment options.John J. Orrego, Ariel L. Barkan
Drugs. 2000-01-01
Books/Book Chapters
Professional Memberships
- Member
Other Languages
- Spanish
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