Dr. Stanciu was born and raised in Bucharest, Romania, where she earned her Doctor of Medicine from Carol Davila University. She continued her medical training with an internship in general surgery and a general medicine residency in Bucharest, Romania. Dr. Stanciu moved to the United States in 1997 to complete an Internal Medicine Residency at Cook County Hospital in Chicago. She then completed an Endocrinology Fellowship at Loyola University in Maywood, Illinois.Dr. Stanciu is board-certified in endocrinology, diabetes, and metabolism, and internal medicine. She has expertise in parathyroid, osteoporosis, and other metabolic bone disorders (including rare bone disorders).Dr. Stanciu believes in engaging patients in learning about their disease and available treatment options to achieve the best possible outcomes. She aims to make patients comfortable with their treatment decisions, knowledgeable about the disease process, and encourage them to actively participate in their healing by promoting a healthy and active lifestyle.“I am thorough in my evaluation so I can understand the root cause of the disease, find the appropriate treatment option, and explain to the patient in easy-to-understand language. I love to see the patient getting back to an active lifestyle.”When she is not working, Dr. Stanciu enjoys the beautiful weather and mountains of Colorado, where she can be found hiking and camping in the summer and skiing in the winter. She has two daughters, one granddaughter, and three grandsons.Dr. Stanciu is a 5280 Magazine Top Doctor for 2020, 2021, 2023, and 2024. Dr. Stanciu is highly rated in 18 conditions, according to our data. Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Hyperparathyroidism, and Familial Isolated Hyperparathyroidism.

Alexandra Reiher is an Endocrinologist in Lakewood, Colorado. Dr. Reiher is highly rated in 7 conditions, according to our data. Her top areas of expertise are Thyroid Storm, Hyperthyroidism, Peripheral Neuropathy, Thyroidectomy, and Parathyroidectomy. Dr. Reiher is currently accepting new patients.

Margaret Wierman is an Endocrinologist in Aurora, Colorado. Dr. Wierman is highly rated in 32 conditions, according to our data. Her top areas of expertise are Adrenocortical Carcinoma, Pituitary Tumor, Adrenal Cancer, Hypothalamic Tumor, and Hormone Replacement Therapy (HRT).

Originally from Sioux Falls, South Dakota, Dr. O'Day earned her medical degree from the University of Minnesota Medical School in the Twin Cities. She completed an internship and residency in internal medicine at Brigham and women's Hospital in Boston, and a fellowship in endocrinology, diabetes and metabolism at the New York University School of Medicine in New York. Dr. O'Day is board certified in internal medicine and endocrinology, diabetes and metabolism.Dr. O'Day has a special interest in diabetes management, cystic fibrosis related diabetes, thyroid disorders, thyroid cancer, pituitary disorders, polycystic ovarian syndrome, osteoporosis and adrenal disorders. Prior to relocating to Denver, Dr. O'Day was working as an endocrinologist in Minnesota, in the Twin Cities area.Dr. O'Day and her family moved from Minneapolis to Denver for the sunshine and the mountains. During her free time she enjoys hiking with her husband and son, and all things Disney. Dr. O'day is highly rated in 23 conditions, according to our data. Her top areas of expertise are Secondary Adrenal Insufficiency, Addison's Disease, Triple A Syndrome, and Adrenal Insufficiency Pediatric.

Bryan Haugen is an Endocrinologist in Aurora, Colorado. Dr. Haugen is highly rated in 9 conditions, according to our data. His top areas of expertise are Thyroid Cancer, Anaplastic Thyroid Cancer, Follicular Thyroid Cancer, Thyroidectomy, and Hormone Replacement Therapy (HRT).

Hello humankindness. It’s more than a tagline. Humankindness is one of the many things we all have in common. It’s the good within us. The power that connects us. And at CommonSpirit Health, we fuse it into heartfelt healing, inspired innovation, and mindful medicine. It’s in how we provide treatment and the way we treat patients.Our communities need caring, and our families need support. CommonSpirit is committed to building healthy communities by advocating for those who are poor and vulnerable, and innovating how and where healing can happen. Because the way care is provided is often as meaningful as the care itself. Dr. Bernard is highly rated in 8 conditions, according to our data. Her top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), and Medullary Thyroid Carcinoma.

Joshua Klopper is an Endocrinologist in Denver, Colorado. Dr. Klopper is highly rated in 2 conditions, according to our data. His top areas of expertise are Thyroid Nodule, Thyroid Cancer, Papillary Thyroid Cancer, Type 1 Diabetes (T1D), and Thyroidectomy.

Dr. Rieniets is a licensed osteopathic (DO) physician and an ABIM board certified Endocrinologist (2009 to 2029). She is a graduate of the Walter Reed Army Medical Center/National Capital Consortium Endocrinology fellowship (2009) and the Walter Reed Army Medical Center Internal Medicine residency (2007). Dr. Rieniets received post-graduate allopathic (MD) education at Walter Reed and has allopathic or ABIM board certification; however, her medical school training was osteopathic (DO). She is a 2004 graduate of Oklahoma State University College of Osteopathic Medicine. As an osteopath (DO), she adheres to the tenant of “patient heal thyself” with an emphasis on patient education and lifestyle therapies and a bias for offering the minimum necessary treatment. With nearly 2 decades of experience in management of endocrine, metabolic, and nutritional disorders, Dr. Rieniets applies her extensive training, knowledge, and skills to provide the highest standard of care and compassion and strives to uphold the Hippocratic oath (“first, do no harm”).By leveraging a diverse education, up-to-date medical evidence, and current guidelines she collaborates with patients to provide safe and effective treatment. Dr. Rieniets is highly rated in 1 condition, according to our data. Her top areas of expertise are Type 1 Diabetes (T1D), Type B Insulin Resistance Syndrome, Abdominal Obesity Metabolic Syndrome, and Cytochrome C Oxidase Deficiency.

Lori Gerard is an Endocrinologist in Englewood, Colorado. Dr. Gerard is highly rated in 34 conditions, according to our data. Her top areas of expertise are Type 1 Diabetes (T1D), Obesity in Children, Hypothyroidism, and Hashimoto Thyroiditis.

Sarah Bull is an Endocrinologist in Denver, Colorado. Dr. Bull is highly rated in 11 conditions, according to our data. Her top areas of expertise are DiGeorge Syndrome, Thyroid Storm, Hyperthyroidism, and Obesity in Children.

Michael Loughner is an Endocrinologist in Denver, Colorado. Dr. Loughner is highly rated in 10 conditions, according to our data. His top areas of expertise are Follicular Thyroid Cancer, Thyroid Cancer, Anaplastic Thyroid Cancer, and Papillary Thyroid Cancer. Dr. Loughner is currently accepting new patients.

Satish Garg is an Endocrinologist in Aurora, Colorado. Dr. Garg is highly rated in 6 conditions, according to our data. His top areas of expertise are Type 1 Diabetes (T1D), Low Blood Sugar, Type 2 Diabetes (T2D), and Diabetic Ketoacidosis.

Halis Akturk is an Endocrinologist in Aurora, Colorado. Dr. Akturk is highly rated in 5 conditions, according to our data. His top areas of expertise are Type 1 Diabetes (T1D), Diabetic Ketoacidosis, Low Blood Sugar, Deafness Hypogonadism Syndrome, and Hormone Replacement Therapy (HRT).

Sarit Polsky is an Endocrinologist in Aurora, Colorado. Dr. Polsky is highly rated in 3 conditions, according to our data. Her top areas of expertise are Type 1 Diabetes (T1D), Low Blood Sugar, Diabetic Ketoacidosis, Gestational Diabetes, and Gastric Bypass.

Romana Haas is an Endocrinologist in Denver, Colorado. Dr. Haas is highly rated in 2 conditions, according to our data. Her top areas of expertise are Silent Thyroiditis, Thyroid Nodule, Type 1 Diabetes (T1D), and Type 2 Diabetes (T2D). Dr. Haas is currently accepting new patients.

Aaron Michels is an Endocrinologist in Aurora, Colorado. Dr. Michels is highly rated in 2 conditions, according to our data. His top areas of expertise are Type 1 Diabetes (T1D), Diabetic Ketoacidosis, Addison's Disease, and Congenital Generalized Lipodystrophy.

Linda Barbour is an Endocrinologist in Aurora, Colorado. Dr. Barbour is highly rated in 2 conditions, according to our data. Her top areas of expertise are Gestational Diabetes, Obesity, Obesity in Children, and Thyroid Storm.

Daniel Bessesen is an Endocrinologist in Denver, Colorado. Dr. Bessesen is highly rated in 1 condition, according to our data. His top areas of expertise are Obesity, Secondary Adrenal Insufficiency, Menopause, and Thyroid Cancer.

Peter Gottlieb is an Endocrinologist in Aurora, Colorado. Dr. Gottlieb is highly rated in 1 condition, according to our data. His top areas of expertise are Type 1 Diabetes (T1D), Diabetic Retinopathy, Diabetic Ketoacidosis, and Type 2 Diabetes (T2D).

Hello humankindness. It’s more than a tagline. Humankindness is one of the many things we all have in common. It’s the good within us. The power that connects us. And at CommonSpirit Health, we fuse it into heartfelt healing, inspired innovation, and mindful medicine. It’s in how we provide treatment and the way we treat patients.Our communities need caring, and our families need support. CommonSpirit is committed to building healthy communities by advocating for those who are poor and vulnerable, and innovating how and where healing can happen. Because the way care is provided is often as meaningful as the care itself. Her top areas of expertise are Thyroid Storm, Hyperthyroidism, Hyperparathyroidism, and Osteitis Fibrosa.

Andrea Salzberg is an Endocrinologist in Golden, Colorado. Dr. Salzberg has been practicing medicine for over 24 years is highly rated in 11 conditions, according to our data. Her top areas of expertise are Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), Thyroid Storm, and Graves Disease. Dr. Salzberg is currently accepting new patients.

Kelsi Deaver is an Endocrinologist in Englewood, Colorado. Dr. Deaver is highly rated in 54 conditions, according to our data. Her top areas of expertise are Obesity in Children, Hypothyroidism, Type 1 Diabetes (T1D), and Thyroid Storm.

Kevin Tong is an Endocrinologist in Lakewood, Colorado. His top areas of expertise are Thyroid Nodule, Medullary Thyroid Carcinoma, Follicular Thyroid Cancer, and Anaplastic Thyroid Cancer.

Linda Buckley is an Endocrinologist in Englewood, Colorado. Dr. Buckley is highly rated in 44 conditions, according to our data. Her top areas of expertise are Type 1 Diabetes (T1D), Obesity in Children, Hypothyroidism, and Hashimoto Thyroiditis.

Rebecca Jeffers is an Endocrinologist in Englewood, Colorado. Dr. Jeffers is highly rated in 38 conditions, according to our data. Her top areas of expertise are Type 1 Diabetes (T1D), Hypothyroidism, Hashimoto Thyroiditis, and Thyroid Storm.