Dr. Richard E. Reitz, MD
Dr. Reitz, Medical Director, is part of our Quest Diagnostics Medical and Scientific Team. He specializes in Endocrinology and Internal Medicine.
Featured Tests
Endocrinology - Test Selection and Interpretation
Find information relating to test selection, utilization, and interpretation of more than 170 of the endocrine-related tests performed at Quest Diagnostics Nichols Institute. Access Endocrinology Manual.
Polycystic Ovary Syndrome and Infertility in Women
PCOS is the number one cause of infertility in women and often goes undiagnosed. We offer a complete PCOS testing portfolio. Read More.
Gestational Diabetes
Gestational diabetes mellitus can occur in women during pregnancy and can have negative consequences for both mother and baby if untreated. Encourage your patients to understand their risks.
Education Center
Testosterone Testing for Female Patients: Traps, Tips and Trends
Jon Nakamoto, MD, PhD, compares and contrasts testosterone assays and appropriate testosterone testing for female patients, including several clinical case studies focused on a variety of conditions. Read More.
Education Center
View presentations, read expert insights about fighting disease and improving outcomes, find out about upcoming events, and consult our Test Selection and Interpretive Guide. Read More.
Tests for Drug-Resistant Hypertension
Adrenal disorders are sometimes the underlying cause of drug-resistant hypertension. Our Aldosterone and Plasma Renin Activity tests by LC/MS/MS provide better accuracy than currently available immunoassay tests. Read More.