Dr. Klopfenstein is on Doximity
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Office
3181 Sw Sam Jackson Park Rd
OP05DC
Portland, OR 97239Phone+1 503-494-3273
Education & Training
- Oregon Health & Science University (OHSU Health)Fellowship, Endocrinology, Diabetes, and Metabolism, 2001 - 2004
- Oregon Health & Science University (OHSU Health)Residency, Internal Medicine, 1999 - 2001
- Oregon Health and Science University School of MedicineClass of 1999
Certifications & Licensure
- OR State Medical License 2003 - 2025
- WA State Medical License 2022 - 2025
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Endocrinology, Diabetes and Metabolism
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2011-2013
Clinical Trials
- Cortisol Regulation in Polycystic Ovary Syndrome (PCOS) Start of enrollment: 2006 Oct 01
- Ghrelin Regulation and Structure: Effect of Thiazolidinedione Therapy on Ghrelin Start of enrollment: 2009 Feb 01
- Efficacy and Safety of Nasal Glucagon for Treatment of Hypoglycemia in Adults Start of enrollment: 2013 Nov 01
Publications & Presentations
PubMed
- 116 citationsComparison of 3 T MRI and CT for the measurement of visceral and subcutaneous adipose tissue in humansBethany J. Klopfenstein, M. S. Kim, Christine Krisky, J. Szumowski, William D. Rooney
The British Journal of Radiology. 2012-04-18 - 4 citationsIntrahepatic lipid, not visceral or muscle fat, is correlated with insulin resistance in older, female rhesus macaquesMichael P. Chu, Bethany J. Klopfenstein, Christine Krisky, Henryk F. Urbanski, William D. Rooney
Obesity. 2013-10-01 - 15 citationsShort-term, low-dose GH therapy improves insulin sensitivity without modifying cortisol metabolism and ectopic fat accumulation in adults with GH deficiency.Kevin C.J. Yuen, Charles T. Roberts, Jan Frystyk, William D. Rooney, James Pollaro
The Journal of Clinical Endocrinology and Metabolism. 2014-07-11
Grant Support
- Cortisol Regulation In PCOSNational Center For Research Resources2006–2010
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