Dr. Erin D. Michos is a Professor of Medicine within the Division of Cardiology at Johns Hopkins School of Medicine, with joint appointment in the Department of Epidemiology at the Johns Hopkins Bloomberg School of Public Health. She is the Director of Women's Cardiovascular Health and the Associate Director of Preventive Cardiology within the Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease. Dr. Michos is an internationally known expert in Preventive Cardiology and Women’s Health, having authored >700 publications and 11 book chapters. Her research involves (1) Women’s Cardiovascular Health; (2) Lipids and Lipid management; (3) Cardio-Kidney-Metabolic and Obesity disease management (4) Coronary artery calcium, inflammation and biomarkers of cardiovascular risk. She is the co-Editor-in-Chief for the American Journal of Preventive Cardiology. She is Co-Director of the IMPACT Center (Improving Participation Among Diverse Populations in Cardiovascular Clinical Trials) at Johns Hopkins, funded by the American Heart Association (AHA). She is a co-investigator in several NIH-funded studies including the Multi-Ethnic Study of Atherosclerosis and Atherosclerosis Risk in Communities cohorts. She has served as the Training Director for four AHA Strategic Focused Research Networks. She has mentored over 60 individuals and the recipient of 2 mentoring awards. Additionally, she was the recipient of the Nanette Wegner Award for Women’s Health Medical Leadership by the Women Heart Organization and the Donna Vogel Women’s Health Champion Award by Johns Hopkins University. Dr. Michos completed medical school at Northwestern University, Internal Medicine residency and Cardiology fellowship at the Johns Hopkins Hospital, and a Masters of Health Science degree at the Johns Hopkins Bloomberg School of Public Health. Dr. Michos is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Atherosclerosis, Vitamin D Deficiency, Peripartum Cardiomyopathy, Percutaneous Coronary Intervention (PCI), and Thrombectomy.

Mohammad Rahnama is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Rahnama has been practicing medicine for over 32 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are High Cholesterol, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Rahnama is currently accepting new patients.

Narender Bharaj is a primary care provider, practicing in Internal Medicine in Parkville, Maryland. Dr. Bharaj is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Dementia, Anemia, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Tazeen Rehman is a Rheumatologist in Baltimore, Maryland. Dr. Rehman is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Psoriatic Arthritis, Psoriasis, Rheumatoid Arthritis (RA), and Fibromyalgia. Dr. Rehman is currently accepting new patients.

Bansari Gujar is a Rheumatologist in Baltimore, Maryland. Dr. Gujar is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Rheumatoid Arthritis (RA), Fibromyalgia, Psoriatic Arthritis, and Psoriasis.

Mark Corriere is an Endocrinologist in Towson, Maryland. Dr. Corriere is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Thyroid Nodule, and Hypothyroidism.

Vishal Hegde, M.D., is an orthopaedic surgeon specializing in hip and knee replacement surgery, serving patients in the Baltimore area. His expertise is in minimally invasive hip and knee surgery, including anterior total hip replacement, partial and total knee replacement, complex hip and knee replacement and revision surgery after a failed previous joint replacement. Dr. Hegde is committed to providing the best possible care for his patients. He strives to create a personalized approach to each patient. He does this through customized treatment plans tailored to each patient’s unique lifestyle as well as through the application of new technologies such as precision computer navigation. Dr. Hegde is an assistant professor in the Johns Hopkins Department of Orthopaedic Surgery. He graduated cum laude from Columbia University and received his medical degree from Weill Cornell Medical College. Dr. Hegde did his orthopaedic surgery residency at the University of California Los Angeles. He then completed an advanced clinical fellowship in adult reconstructive surgery at Colorado Joint Replacement in Denver, Colorado. He is a candidate member of the American Academy of Orthopaedic Surgeons and the American Association of Hip and Knee Surgeons. Dr. Hegde is committed to moving the field of joint replacement forward and has published many research articles and orthopaedic surgery textbook chapters. His research interests include developing innovative new techniques and technologies to prevent implant infection and improve outcomes after hip and knee replacement surgery. He has won numerous awards for his research from organizations including the American Academy of Orthopaedic Surgeons, the Musculoskeletal Infection Society and the Western Orthopaedic Association. Dr. Hegde is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Osteoarthritis, Chondroblastoma, Vitamin D Deficiency, Knee Replacement, and Hip Replacement.

Carl Schluederberg is a primary care provider, practicing in Family Medicine in Baltimore, Maryland. Dr. Schluederberg is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension. Dr. Schluederberg is currently accepting new patients.

Sam Serafi is a Rheumatologist in Baltimore, Maryland. Dr. Serafi is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Fibromyalgia, Raynaud Phenomenon, Sjogren Syndrome, and Rheumatoid Arthritis (RA). Dr. Serafi is currently accepting new patients.

Pamela Lentz is a Nurse Practitioner in Baltimore, Maryland. Ms. Lentz is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top area of expertise is Vitamin D Deficiency.

Dr. Gregory Kelly is an instructor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include internal medicine and primary care. He earned his M.D. from the George Washington University School of Medicine. He completed his residency at Johns Hopkins Bayview Medical Center, where he also performed a fellowship in rheumatology. Dr. Kelly is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Relapsing Multiple Sclerosis (RMS), Heart Failure with Preserved Ejection Fraction (HFpEF), Vitamin D Deficiency, and Liver Failure.

Michael Randolph is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Randolph is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Hypertensive Heart Disease, Enlarged Liver, and Pediatric Myocarditis. Dr. Randolph is currently accepting new patients.

Karla Sanchez is a primary care provider, practicing in Family Medicine in Lutherville, Maryland. Dr. Sanchez is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Hypothyroidism, Pulmonary Embolism, Vitamin D Deficiency, and Obesity in Children.

Michelle Petri, M.D. is a Professor of Medicine at the Johns Hopkins University School of Medicine. She attended medical school at Harvard University and fulfilled her internal medicine residency at the Massachusetts General Hospital. In addition, she completed two fellowship programs at the University of California, San Francisco in allergy and immunology and rheumatology. Dr. Petri is the Director of the Hopkins Lupus Cohort, a longitudinal study of morbidity and mortality in systemic lupus erythematosus, and Co-Director of the Hopkins Lupus Pregnancy Center. Dr. Petri is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Lupus Nephritis, Systemic Lupus Erythematosus (SLE), Cutaneous Lupus Erythematosus (CLE), Tenotomy, and Osteotomy.

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 rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Low Blood Sugar, Osteoporosis, Malnutrition, Gastric Bypass, and Gastrostomy.

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 rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. 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.

Swati D Phatak, M.D., practices internal medicine at Johns Hopkins Community Physicians Greater Dundalk. She received her medical degree from Topiwala National Medical College in Mumbai, India. Dr. Phatak completed residencies at Grant Medical College University of Mumbai and at State University of New York Upstate Medical University in Syracuse, New York. She speaks English, Hindi and Marathi. Dr. Phatak is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Jonathan Kushner is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Kushner is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Cirrhosis. Dr. Kushner is currently accepting new patients.

Regine Guefack is a Nurse Practitioner in Parkville, Maryland. Ms. Guefack is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, Vitamin B12 Deficiency, and Inappropriate Sinus Tachycardia (IST). Ms. Guefack is currently accepting new patients.

Tony Varghese is a primary care provider, practicing in Internal Medicine in Nottingham, Maryland. Dr. Varghese is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Type 2 Diabetes (T2D), Hypertensive Heart Disease, Endoscopy, and Ureteroscopy. Dr. Varghese is currently accepting new patients.