The 20 Best Vitamin D Deficiency Doctors in Colorado, US

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 rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Secondary Adrenal Insufficiency, Addison's Disease, Triple A Syndrome, and Adrenal Insufficiency Pediatric.

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 rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Hyperparathyroidism, and Familial Isolated Hyperparathyroidism.

Originally from the East Coast, Dr. Weigel spent more than 25 years in private practice in New Jersey. Dr. Weigel graduated from the medical school at Rutgers, the State University of New Jersey. He completed his residency at University of Medicine and Dentistry of New Jersey. Dr. Weigel is board certified in Internal Medicine. His clinical interests are chronic disease management and preventive care. He is passionate about spending time talking and listening to his patients.“My job is to make sure my patients make informed decisions about their healthcare. I want to catch disease processes early so they can be treated more efficiently.”When not working, Dr. Weigel can be found participating in outdoor activities such as skiing, snow shoeing and hiking with his wife and their two dogs. Dr. Weigel is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Ureteroscopy, and Pacemaker Implantation.

Originally from Westminster, Colorado, Ginger always loved being able to help people and sought out a career where she could aid people in understanding their health conditions. Ginger earned a bachelor's degree in Chemistry, followed by a master's in Medical Science from Arcadia University in Glendale, Pennsylvania. She then moved to Pueblo, Colorado where she worked at a community health center for five years.“I believe you have to look at the whole patient and not just the disease or illness. Building the relationship between provider and patient allows healing to happen more efficiently. I hope that I am able to explain things in a way that allows my patients to understand their health better and improve it on all levels.”As a physician assistant, Ginger enjoys seeing a large variety of different conditions and is passionate about preventive medicine. When she is not at work, Ginger enjoys being outdoors and spending time with her family. Ms. Todd is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency and Seasonal Affective Disorder (SAD).

Erica Mandell is a Pediatrics provider in Aurora, Colorado. Dr. Mandell is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Bronchopulmonary Dysplasia, High Blood Pressure in Infants, Vitamin D Deficiency, and Premature Infant.

Nadine Mikhaeel is a Hematologist in Denver, Colorado. Dr. Mikhaeel is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Paget Disease of the Breast, Inflammatory Breast Cancer, Breast Cancer, and Angiosarcoma.

Michael Pettersen is a Pediatrics specialist and a Pediatric Cardiologist in Denver, Colorado. Dr. Pettersen is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Patent Ductus Arteriosus, Ventricular Septal Defects, Heart Murmurs, Patent Foramen Ovale, and Aortic Valve Replacement. Dr. Pettersen is currently accepting new patients.

Mabel Mardones is an Oncologist in Denver, Colorado. Dr. Mardones is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, HER-2 Positive Breast Cancer, and Triple-Negative Breast Cancer. Dr. Mardones is currently accepting new patients.

Kelsi Deaver is an Endocrinologist in Englewood, Colorado. Dr. Deaver is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Obesity in Children, Hypothyroidism, Type 1 Diabetes (T1D), and Thyroid Storm.

Jesse Flaxenburg is an Internal Medicine provider in Pueblo, Colorado. Dr. Flaxenburg is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Poststreptococcal Glomerulonephritis, and Vitamin D Deficiency. Dr. Flaxenburg is currently accepting new patients.

Amilda Heckman is a primary care provider, practicing in Family Medicine in Elizabeth, Colorado. Dr. Heckman is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are High Cholesterol, Pelvic Floor Dysfunction, Vitamin D Deficiency, and Hypertension. Dr. Heckman is currently accepting new patients.

Lori Gerard is an Endocrinologist in Englewood, Colorado. Dr. Gerard is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Type 1 Diabetes (T1D), Obesity in Children, Hypothyroidism, and Hashimoto Thyroiditis.

Susan Henley is an Endocrinologist in Colorado Springs, Colorado. Dr. Henley is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Anaplastic Thyroid Cancer, Thyroid Cancer, Follicular Thyroid Cancer, and Papillary Thyroid Cancer. Dr. Henley is currently accepting new patients.

Dmitri Sychev is a Nephrologist in Highlands Ranch, Colorado. Dr. Sychev is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Acute Kidney Failure, Chronic Kidney Disease, Acute Tubular Necrosis, and Nephrosclerosis. Dr. Sychev is currently accepting new patients.

Amit Patange is a Pediatric Cardiologist in Lone Tree, Colorado. Dr. Patange is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Heart Murmurs, Ventricular Septal Defects, Patent Ductus Arteriosus, and Vitamin D Deficiency. Dr. Patange is currently accepting new patients.

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 Health 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. Helms is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are End-Stage Renal Disease (ESRD), Acute Kidney Failure, Chronic Kidney Disease, and Vitamin D Deficiency.

Justin Peters is a primary care provider, practicing in Internal Medicine in Lone Tree, Colorado. Dr. Peters is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Gilbert Syndrome, Familial Combined Hyperlipidemia, and Xanthoma. Dr. Peters is currently accepting new patients.

Dr. Cassara grew up in Colorado and received her medical degree from University of Vermont, College of Medicine. She is board certified in both internal medicine, and endocrinology and metabolism. Dr. Cassara completed an internship and residency training in internal medicine at the University of North Carolina, Chapel Hill, where she also completed a fellowship in endocrinology and metabolism.Dr. Cassara’s philosophy of patient care is geared toward engaging patients and families in learning about their disease, encouraging a healthful lifestyle and partnering with patients for positive outcomes. Outside of the office, Dr. Cassara enjoys hiking and exploring Colorado with her husband and two children. Dr. Cassara is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Type 1 Diabetes (T1D), Anaplastic Thyroid Cancer, Follicular Thyroid Cancer, and Papillary Thyroid Cancer.

Galo Garces is a Nephrologist in Denver, Colorado. Dr. Garces is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Nephrosclerosis, Acute Kidney Failure, Renovascular Hypertension, and End-Stage Renal Disease (ESRD). Dr. Garces is currently accepting new patients.

Raised in Houston, Texas, Dr. Norris obtained her undergraduate degree from Southwestern University in Georgetown, TX. She earned her Doctor of Medicine from the University of Texas Medical Branch at Galveston. She completed an Internal Medicine Residency at the University of Tennessee College of Medicine at Chattanooga and an Endocrinology Fellowship with the University of Texas Medical Branch at Galveston. Board-certified by the American Board of Internal Medicine in Endocrinology, Diabetes & Metabolism, Dr. Norris has been practicing for close to two decades. Her clinical interests include diabetes care, lifestyle medicine, and thyroid disease.“I am passionate about educating patients on their condition. I aim to provide personalized care to every patient and strive to make the patient feel comfortable and respected.”When not working, Dr. Norris enjoys sports, traveling, hiking, taking her dogs on walks, and spending time with her family. Dr. Norris is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Hyperparathyroidism, Obesity in Children, Hypothyroidism, and Type 2 Diabetes (T2D).