David Levitt is an Endocrinologist in Hanover, Maryland. Dr. Levitt is highly rated in 11 conditions, according to our data. His top areas of expertise are Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), Hypothyroidism, and Hyperthyroidism.

Rozalina Mccoy is an Endocrinologist in Baltimore, Maryland. Dr. Mccoy is highly rated in 7 conditions, according to our data. Her top areas of expertise are Type 2 Diabetes (T2D), Low Blood Sugar, Maturity Onset Diabetes of the Young, and Diabetic Hyperglycemic Hyperosmolar Syndrome.

Dr. Douglas Ball is an associate professor of medicine at the Johns Hopkins University School of Medicine. He holds a joint appointment in oncology. His areas of clinical expertise include diagnostic radiology, endocrine oncology, thyroid cancer and thyroid diseases. Dr. Ball earned his M.D. from the George Washington University School of Medicine. He completed his residency at the University of Pittsburgh-Presbyterian University Hospital and performed a fellowship in endocrinology and metabolism at Johns Hopkins. His research interests include medullary thyroid cancer, differentiated thyroid cancer and anaplastic thyroid cancer. Dr. Ball is highly rated in 20 conditions, according to our data. His top areas of expertise are Medullary Thyroid Carcinoma, Thyroid Cancer, Anaplastic Thyroid Cancer, Papillary Thyroid Cancer, and Thyroidectomy.

David S. Cooper, MD, MACP is a graduate of the Tufts University School of Medicine and completed his endocrinology training at Massachusetts General Hospital and Harvard Medical School. He is currently Professor of Medicine and Radiology at the Johns Hopkins University School of Medicine and Professor of International Health at the Johns Hopkins Bloomberg School of Public Health. He is one of the editors of the iconic textbook on thyroid disease, Werner and Ingbar’s The Thyroid, and he co-edits two other textbooks: Medical Management of Thyroid Disease and Thyroid Cancer. He is also the co-author of a book for patients with thyroid disease entitled Your Thyroid: A Home Reference. He is the past Chair of the Subspecialty Board for Endocrinology, Diabetes, and Metabolism of the American Board of Internal Medicine. He is an Editor-in-Chief for Endocrinology at Up-to-Date, and he has served as the Chair of the Endocrine Society’s annual Board Review Course. Dr. Cooper was the Chair of the American Thyroid Association’s (ATA) 2006 and 2009 task forces that first drafted clinical practice guidelines for the management of thyroid nodules and thyroid cancer. He also served on ATA sponsored task forces that promulgated guidelines for the management of hypothyroidism and for the management of hyperthyroidism. He is the past Treasurer and past President of the ATA, and the recipient of the ATA’s Distinguished Service Award, its Paul Starr Award, and the Lewis Braverman Lectureship Award. He is also the recipient of the Distinction in Endocrinology Award given by the American Association of Clinical Endocrinologists, as well as the Endocrine Society’s Outstanding Scholarly Physician Laureate Award and the Outstanding Educator Laureate Award. Dr. Cooper is highly rated in 11 conditions, according to our data. His top areas of expertise are Thyroid Cancer, Graves Disease, Follicular Thyroid Cancer, Thyroidectomy, and Hormone Replacement Therapy (HRT).

William Simonds is an Endocrinologist in Baltimore, Maryland. Dr. Simonds is highly rated in 10 conditions, according to our data. His top areas of expertise are Multiple Endocrine Neoplasia Type 1, Multiple Endocrine Neoplasia, Parathyroid Adenoma, Parathyroidectomy, and Thymectomy.

Dr. Dobs is presently an active clinical researcher in the field of endocrine gonadal function. She is particularly interested in new forms of male hormone replacement therapy and has published extensively in the area of hormonal changes with aging and chronic disease. Her clinical practice covers general endocrinology, with a focus on sex hormone disorders in both men and women. As Director of the Johns Hopkins Clinical Research Network, she oversees a multi-institutional consortium of hospitals in the mid-Atlantic states dedicated to facilitating clinical research through an academic-community hospital partnership. Dr. Dobs is highly rated in 9 conditions, according to our data. Her top areas of expertise are Hypogonadism, Eunuchoidism Familial Hypogonadotropic, Testicular Failure, Isolated Hypogonadotropic Hypogonadism, and Hormone Replacement Therapy (HRT).

Dr. Rita Kalyani is a Professor of Medicine at Johns Hopkins School of Medicine. She graduated with an undergraduate degree from Harvard College and completed her medical degree, residency, and fellowship at Johns Hopkins. She also obtained a Masters in Health Science degree in Clinical Investigation from the Johns Hopkins Bloomberg School of Public Health. As a NIH-funded clinician scientist, Dr. Kalyani has authored over 175 peer-reviewed publications and built a research program focused on understanding the factors leading to development of diabetes complications, particularly in high-risk populations. She has conducted epidemiological and patient-oriented research that has led to fundamental discoveries regarding the development of skeletal muscle loss, physical disability, and frailty in diabetes. She has also spearheaded studies investigating sex differences in cardiovascular disease and diabetes which have influenced primary prevention guidelines. Dr. Kalyani launched the Diabetes Management Service for Johns Hopkins’ Total Pancreatectomy Islet Auto Transplant Program in 2011. She is the co-founder of the Johns Hopkins Diabetes POC-IT Guide for healthcare professionals. She is also the founder and past Editor-in-Chief of the Johns Hopkins Patient Website to Diabetes. Dr. Kalyani has been the Chief Scientific and Medical Officer of the American Diabetes Association since 2025. She previously served as President of Medicine & Science on the ADA's National Board of Directors. She continues to have a clinical practice as an adult endocrinologist. Dr. Kalyani is highly rated in 7 conditions, according to our data. Her top areas of expertise are Seasonal Affective Disorder (SAD), Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Pancreatectomy, and Islet Cell Transplantation.

Dr. Mathioudakis, an endocrinologist and researcher, has a strong focus on diabetes management and patient care, recognized through awards like the Baltimore Top Doc. He has contributed significantly to diabetes research, authoring over 150 publications and participating in the development of consensus guidelines in the field. His studies have offered valuable insights into using health informatics for diabetes prevention and management. After graduating from the Johns Hopkins University School of Medicine and completing his training in Internal Medicine and a fellowship in Endocrinology, Diabetes, & Metabolism, Dr. Mathioudakis joined the faculty in the Division of Endocrinology, Diabetes & Metabolism in 2012. He earned a Master of Health Science in clinical investigation in 2015 and was the Clinical Director of the Division of Endocrinology from 2016 to 2021. Currently, he co-directs the Baltimore Metropolitan Diabetes Regional Partnership, focusing on improving access to diabetes prevention and management programs. As a physician-scientist, Dr. Mathioudakis leads multiple research studies funded by the NIH, private philanthropic organizations (Helmsley Charitable Trust), non-profit organizations (Breakthrough T1D), and industry. His research focuses on the effectiveness of automated diabetes prevention programs and strategies to reduce racial disparities in diabetes technology access. He also collaborates nationally to enhance care for people with type 1 diabetes. Holding a joint appointment in the Division of Biomedical Informatics and Data Science, Dr. Mathioudakis integrates machine learning and AI in diabetes research. He has served on the national Epic Endocrinology Specialty Steering Board and chaired the Type 2 Diabetes Prognostics Working Group for the Precision Medicine Diabetes Initiative. Committed to education, he frequently lectures on endocrinology, epidemiology, and health informatics. Dr. Mathioudakis is highly rated in 5 conditions, according to our data. His top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Low Blood Sugar, Diabetic Ketoacidosis, and Pancreaticoduodenectomy.

Dr. Aniket Sidhaye is an assistant professor of medicine and pediatrics at the Johns Hopkins University School of Medicine. His specific clinical interests are cystic fibrosis related endocrine disorders, type 1 diabetes mellitus particularly emerging adults with diabetes, thyroid disorders, metabolic bone disease, and management of hospitalized persons with diabetes. Dr. Sidhaye earned his M.D. from Northwestern University’s Feinberg School of Medicine. He completed his residency at Northwestern University. He performed a research fellowship in endocrinology and metabolism at Northwestern University and also performed fellowships in endocrinology and metabolism at Johns Hopkins. His research interests include CF related diabetes, bone health of CF patients after lung transplant, and the care of emerging adults with type 1 diabetes. In addition, he is a committed educator serving as an advisor in the medical school, co-director for the endocrine course for pre-clinical medical students, and program director for our endocrine fellowship. Dr. Sidhaye is highly rated in 3 conditions, according to our data. His top areas of expertise are Type B Insulin Resistance Syndrome, Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), and Paget's Disease of Bone.

Dr. Paul Ladenson is a professor of medicine at the Johns Hopkins University School of Medicine. He is also a professor of oncology; pathology; and radiology and radiological science. His areas of clinical expertise include Thyroid diseases, Endocrine & Metabolic disorders. Dr. Ladenson is the John Eager Howard Professor of Endocrinology and Metabolism. He earned his M.D. from Harvard Medical School. He completed his residency and performed a fellowship in endocrinology, diabetes and metabolism at Massachusetts General Hospital. Dr. Ladenson's research interests include cardiac actions of thyroid hormone, thyroid cancer and thyroid hormone analogs. He was recognized with the Lewis E. Braverman Lectureship Award at the 82nd Annual Meeting of the American Thyroid Association (ATA) in 2012. Dr. Ladenson is highly rated in 1 condition, according to our data. His top areas of expertise are Thyroid Nodule, Adrenal Insufficiency Pediatric, Secondary Adrenal Insufficiency, Neuroendocrine Tumor, and Thyroidectomy.

Roberto Salvatori is an Endocrinologist in Baltimore, Maryland. Dr. Salvatori is highly rated in 43 conditions, according to our data. His top areas of expertise are Growth Hormone Deficiency (GHD), Hypopituitarism, Pituitary Tumor, Cushing's syndrome, and Hormone Replacement Therapy (HRT).

Hilary Whitlatch is an Endocrinologist in Baltimore, Maryland. Dr. Whitlatch is highly rated in 26 conditions, according to our data. Her top areas of expertise are Rabson-Mendenhall Syndrome, Hyperparathyroidism, Osteoporosis, and Postmenopausal Osteoporosis.

Rana Malek is an Endocrinologist in Baltimore, Maryland. Dr. Malek is highly rated in 15 conditions, according to our data. Her top areas of expertise are Type 2 Diabetes (T2D), Addison's Disease, Type 1 Diabetes (T1D), Maturity Onset Diabetes of the Young, and Thyroidectomy.

Elizabeth Streeten is an Endocrinologist and a Medical Genetics provider in Baltimore, Maryland. Dr. Streeten is highly rated in 15 conditions, according to our data. Her top areas of expertise are Osteoporosis-Pseudoglioma Syndrome, Osteoporosis, Gaucher Disease Type 2, and Gaucher Disease Type 3.

Kristin Flammer is an Endocrinologist in Glen Burnie, Maryland. Dr. Flammer is highly rated in 14 conditions, according to our data. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Type 1 Diabetes (T1D), and Diabetic Nephropathy.

Kristi Silver is an Endocrinologist in Baltimore, Maryland. Dr. Silver is highly rated in 9 conditions, according to our data. Her top areas of expertise are Type 2 Diabetes (T2D), Thyroid Storm, Maturity Onset Diabetes of the Young, and Type 1 Diabetes (T1D).

Elizabeth Lamos is an Endocrinologist in Baltimore, Maryland. Dr. Lamos is highly rated in 7 conditions, according to our data. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Thyroid Storm, and Type 1 Diabetes (T1D).

Lina Melhem is an Endocrinologist in Baltimore, Maryland. Dr. Melhem is highly rated in 4 conditions, according to our data. Her top areas of expertise are Juvenile Primary Osteoporosis, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Hypothyroidism.

Huong Nguyen is an Endocrinologist in Baltimore, Maryland. Dr. Nguyen is highly rated in 3 conditions, according to our data. Her top areas of expertise are Thyroid Nodule, Type 2 Diabetes (T2D), Nephrogenic Diabetes Insipidus, and Obesity in Children.

Adel Mandl is an Endocrinologist in Baltimore, Maryland. Dr. Mandl is highly rated in 2 conditions, according to our data. Her top areas of expertise are Multiple Endocrine Neoplasia Type 1, Multiple Endocrine Neoplasia, Pheochromocytoma, and Prostate Cancer.

Kashif Munir is an Endocrinologist in Baltimore, Maryland. Dr. Munir is highly rated in 46 conditions, according to our data. His top areas of expertise are Type 2 Diabetes (T2D), Thyroid Cancer, Thyroid Storm, Pituitary Tumor, and Thyroidectomy.

Dr. Han Na Kim is a Clinical Associate and part-time Assistant Professor of Medicine in the Division of Endocrinology, Diabetes, and Metabolism. Her clinical practice focuses on metabolic bone disease, including osteoporosis and hyperparathyroidism, as well as diabetes mellitus. She earned her medical degree from the University of Chicago Pritzer School of Medicine, completed her residency in Internal Medicine at New York University, and worked as a hospitalist at University of Pittsburgh Medical Center Presbyterian/Montefiore before pursuing an endocrinology fellowship at Johns Hopkins University School of Medicine. She sees patients at the Johns Hopkins Bayview Metabolic Bone and Osteoporosis Center and Green Spring Station Johns Hopkins Endocrinology Clinic (diabetes and thyroid patients only). Dr. Kim is highly rated in 22 conditions, according to our data. Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Juvenile Primary Osteoporosis, and Hyperparathyroidism.

Dr. Prasanna Santhanam received his M.B.B.S. from B.J. Medical College and his M.D. from N.H.L. Municipal Medical College. He completed a residency in internal medicine, Joan C Edwards School of Medicine, Marshall University and a fellowship in endocrinology, diabetes, and metabolism at Joan C Edwards School of Medicine, Marshall University. He underwent additional training in nuclear medicine, at the Department of Radiology and Radiological Sciences at Johns Hopkins University School of Medicine, to pursue his research and clinical interests in nuclear medicine and molecular imaging of endocrine glands and disorders. His clinical interests include thyroid disorders, endocrine neoplasms, and research focus on metabolic and molecular imaging of endocrine tissues and predictive analytics in metabolic disorders. Dr. Santhanam is highly rated in 16 conditions, according to our data. His top areas of expertise are Thyroid Cancer, Follicular Thyroid Cancer, Papillary Thyroid Cancer, Anaplastic Thyroid Cancer, and Thyroidectomy.

Jennifer Mammen, M.D., Ph.D., Assistant Professor of Medicine, is a member the Division of Endocrinology, Diabetes and Metabolism. Dr. Mammen practices general endocrinology with a focus on thyroid, adrenal and pituitary disorders. She is actively engaged in research on hormonal function and aging. Dr. Mammen is highly rated in 11 conditions, according to our data. Her top areas of expertise are Hyperthyroidism, Hypothyroidism, Thyroid Storm, Graves Disease, and Hormone Replacement Therapy (HRT).

Todd T. Brown, MD, PhD is a clinical investigator who focuses on body composition, metabolic, and skeletal abnormalities observed in people with HIV, particularly as related to aging. Through translational investigation, epidemiologic studies, and clinical trials, he has been interested in understanding the pathogenesis of glucose disorders, fat changes, hormonal dysregulation, and osteoporosis in people with HIV, the consequences of these conditions (eg cardiovascular disease, frailty), and their optimal evaluation and management. Dr. Brown is highly rated in 10 conditions, according to our data. His top areas of expertise are Low Blood Sugar, Osteoporosis, Malnutrition, Gastric Bypass, and Sleeve Gastrectomy.