Dr. Rameen J. Molavi is part-time on the medical faculty as an instructor in medicine in the division of General Internal Medicine within the Department of Medicine at the Johns Hopkins University School of Medicine. His area of clinical expertise is internal medicine. Dr. Molavi is also the managing physician and chair of Park Medical Associates, a member of Johns Hopkins Regional Physicians. He is the recipient of the 2025 Samuel P. Asper Award for excellence in medicine from the Maryland Chapter of the American College of Physicians. Dr. Molavi holds a B.A. in biology from Rice University in Houston, TX. He earned his M.D. at the Johns Hopkins University School of Medicine. He completed his internship and residency in categorical internal medicine at the Washington University School of Medicine Barnes-Jewish Hospital in St. Louis, MO. He began medical practice in Lutherville in 1999 and joined Park Medical Associates in 2009. His practice focus is on primary care for adults of all ages. Recent News Articles and Media Coverage Dr. Rameen Molavi: COVID-19 Testing Realities, WYPR (April 28, 2020) Samuel Asper Award, American College of Physicians (2025). Dr. Molavi is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Mesenteric Venous Thrombosis, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

Dr. Helene Hedian is an Assistant Professor of Medicine at the Johns Hopkins University School of Medicine, the Director of Clinical Education at the Johns Hopkins Center for Transgender and Gender Expansive Health, and the Assistant Vice Chair for LGBTQ+ Equity and Education in the Department of Medicine. Her academic interests include internal medicine, medical education, and the specific health needs of LGBTQ patients. Dr. Hedian studied biochemistry and Spanish at the University of Dayton, attended medical school at the University of Maryland School of Medicine, and completed an internal medicine residency at the University of Maryland, where she was selected as a chief resident. She joined the faculty at Johns Hopkins University in 2016. Her research focuses on provider attitudes and knowledge regarding LGBTQ health, with the goal of expanding competent and compassionate healthcare practices. In her clinical practice, she has cared for hundreds of transgender and gender diverse patients. To support primary care providers who prescribe gender-affirming hormones, she authored the Quick Guide: Gender Affirming Hormone Therapy by the Primary Care Provider. As of February 2024, the Quick Guide has been downloaded over 1,500 times and in the following locations: Australia, Canada, Colombia, Czech Republic, Egypt, France, Germany, India, Ireland, Japan, Mexico, Netherlands, New Zealand, Pakistan, Philippines, Poland, Puerto Rico, Russian Federation, Singapore, Thailand, United Kingdom, and the United States. Dr. Hedian is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Sickle Cell Disease.

Susan Molinaro is a primary care provider, practicing in Internal Medicine in Lutherville Timonium, Maryland. Dr. Molinaro is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Sitosterolemia, Hypothyroidism, Postmenopausal Osteoporosis, and Osteoporosis.

Lisa Simonson is a primary care provider, practicing in Internal Medicine in Lutherville Timonium, Maryland. Dr. Simonson is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Prerenal Azotemia, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

Gang Chen is a Hematologist Oncology specialist and a Hematologist in Baltimore, Maryland. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Colorectal Cancer, Myelodysplastic Syndrome (MDS), Familial Colorectal Cancer, Paget Disease of the Breast, and Hepato-Pancreato-Biliary Surgery. Dr. Chen is currently accepting new patients.

Manuel Ramos is a primary care provider, practicing in Internal Medicine in Lutherville, Maryland. Dr. Ramos is rated as an Advanced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Maturity Onset Diabetes of the Young. Dr. Ramos is currently accepting new patients.

Deborah Gallo is a primary care provider, practicing in Internal Medicine in Townson, Maryland. Dr. Gallo is rated as an Advanced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Sitosterolemia, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension. Dr. Gallo is currently accepting new patients.

Robert Davidson, M.D., practices internal medicine at Johns Hopkins Community Physicians White Marsh. He received his medical degree from University of Maryland School of Medicine, and also completed his residency in internal medicine at University of Maryland Medical Center. Dr. Davidson is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Familial Hypertension, and Hypertension.

Amal Hassan Ahmed Awadalla, M.D., practices internal medicine at Johns Hopkins Community Physicians East Baltimore Medical Center. She received her medical degree from Faculty of Medicine University of Khartoum, and completed her residency at Queens Hospital Center. Dr. Awadalla is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Neurosarcoidosis, and Sarcoidosis.

William Houck is an Oncologist in Baltimore, Maryland. Dr. Houck is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Paget Disease of the Breast, Lung Cancer, Chronic B-Cell Leukemia (CBCL), and Chronic Lymphocytic Leukemia (CLL).

Dr. Agee is medical director for the Bayview Medical Offices. Her practice includes all aspects of primary care medicine, including prevention, pap smears and cortisone shots. Dr. Agee is from Annapolis. She attended Wake Forest University School of Medicine, in North Carolina, trained in general internal medicine at Johns Hopkins Bayview Medical Center. Dr. Agee is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Type 2 Diabetes (T2D).

Susan Schrock, M.D. is chief of internal medicine/pediatrics for Johns Hopkins Community Physicians. She practices internal medicine and pediatrics at Johns Hopkins Community Physicians Canton Crossing. She also serves as office medical director at the practice. Dr. Schrock earned her medical degree from University of Texas Medical Branch in Galveston, Texas, and completed her residency training at University of Maryland Medical System in Baltimore. Prior to medical school, she earned her Master of Public Health and worked as a statistician and epidemiologist. She is a Fellow of the American Academy of Pediatrics and a Fellow of the American College of Physicians. Videos Caring for the CommunityMeet Dr. Susan Schrock. Dr. Schrock is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Alcoholic Neuropathy, Rett Syndrome, Sitosterolemia, and Hemiplegia.

Nancy Bailowitz is a primary care provider, practicing in Internal Medicine in Towson, Maryland. Dr. Bailowitz is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Hypothyroidism, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension. Dr. Bailowitz is currently accepting new patients.

Tu Cao is a primary care provider, practicing in Family Medicine in Towson, Maryland. Dr. Cao is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Obesity, Hypothyroidism, Tarsal Tunnel Syndrome, and Obesity in Children. Dr. Cao is currently accepting new patients.

Jin Gu is a primary care provider, practicing in Internal Medicine in Towson, Maryland. Dr. Gu is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Bone Marrow Aspiration, and Endoscopy.

Christopher Koltz is a primary care provider, practicing in Internal Medicine in Towson, Maryland. Dr. Koltz is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Mesenchymoma, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and High Cholesterol. Dr. Koltz is currently accepting new patients.

Richard Schraeder is a Hematologist Oncology specialist and a Hematologist in Towson, Maryland. Dr. Schraeder is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Small Cell Lung Cancer (SCLC), and Retroperitoneal Liposarcoma. Dr. Schraeder is currently accepting new patients.

Sankaravadivu Sivasailam is a Hematologist Oncology specialist and a Hematologist in Towson, Maryland. Dr. Sivasailam is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. Her top areas of expertise are Paget Disease of the Breast, Childhood Iron Deficiency Anemia, Inflammatory Breast Cancer, and Angiosarcoma.

Gino Freeman is a primary care provider, practicing in Internal Medicine in Towson, Maryland. Dr. Freeman is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Gout, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Freeman is currently accepting new patients.

Bruce Rosenberg is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Rosenberg is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Sitosterolemia, Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Endoscopy. Dr. Rosenberg is currently accepting new patients.