Dr. Steven Herf

Exercise and Music. Dr. Nasr is highly rated in 16 conditions, according to our data. His top areas of expertise are Thyroid Cancer, Papillary Thyroid Cancer, Diabetic Neuropathy, Thyroid Nodule, and Thyroidectomy.

I enjoy photography, biking and hiking. I recently hiked the Grand Canyon and climbed Mt Whitney. Dr. Narula is highly rated in 31 conditions, according to our data. His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Obesity in Children, and Hypothyroidism.

Kevin C. J. Yuen, MD, is a neuroendocrinologist and Medical Director of the Pituitary Program at Barrow Neurological Institute, specializing in the management of hypothalamic-pituitary disorders. He is double board-certified in Endocrinology and Internal Medicine by the American Board of Internal Medicine, and General Medical Council in the UK.Dr. Yuen's expertise includes clinical and research interest in the management of pituitary and adrenal disorders, particularly adults with growth hormone deficiency, acromegaly, hypogonadism, Cushing's disease and adrenal insufficiency.  He also has a particular interest in neuroendocrine disorders in young adult cancer survivors and adults with traumatic brain injury.  His research is devoted to new diagnostics and treatments of pituitary disorders.Dr. Yuen completed his medical degree from the University of Sheffield. He completed his residency in internal medicine at the University of Southampton, UK, clinical and research fellowship in Endocrinology at the University of Cambridge, UK, and clinical and research instructor at Oregon Health and Science University, Portland OR. Dr. Yuen is active in international collaborative studies and has published numerous peer-reviewed medical articles.My mission, along with the Dignity Health Medical Group, is to focus on innovative clinical care and the pursuit of excellence through scholarly activities. This allows me to provide patients with state-of-the-art patient services and exceptional patient experiences. Dr. Yuen is highly rated in 36 conditions, according to our data. His top areas of expertise are Pituitary Tumor, Prolactinoma, Adrenal Insufficiency Pediatric, and Cushing's disease.