Tao J. Jiang, PA

Sara Romani is a board-certified Physician Assistant with a unique background in both research and clinical care. She earned her PhD in Microbiology in 2018, followed by post-doctoral medical research at the University of Maryland School of Medicine. Driven by a passion for patient care, Sara completed her Master’s in Physician Assistant Studies at Hofstra University, NY, in 2023.In 2024, Sara joined Padder Health Services, a leading Healthcare provider of Primary Care and Cardiology in Laurel, Columbia, and Hagerstown, MD. Fluent in Farsi and English, she is dedicated to delivering compassionate, patient-centered care to diverse communities. Sara’s expertise and commitment align with Padder Health Services' mission to provide exceptional healthcare. Ms. Romani is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Vitamin D Deficiency, Hypertension, Obesity, and Type 2 Diabetes (T2D).

Samantha Frazier, PA-C is a highly skilled and compassionate board-certified Physician Assistant at Padder Health Services, dedicated to providing exceptional primary care. She earned her Bachelor of Science in Biology in 2008 and pursued her Master’s in Physician Assistant Studies at Shenandoah University, Winchester, in 2014.As a licensed Physician Assistant in Maryland, Samantha brings years of expertise in evaluating, diagnosing, and treating patients, including full prescriptive authority. She is deeply committed to addressing the unique needs of patients with chronic medical conditions, focusing on personalized, patient-centered care to improve overall health outcomes.At Padder Health Services, located in Laurel, Columbia, and Hagerstown, MD, Samantha works alongside an expert team to deliver high-quality healthcare. Her dedication to her patients' well-being aligns with the practice’s mission to provide the best in primary care. Ms. Frazier is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Hypertension, Osteoarthritis, COVID-19, and Type 2 Diabetes (T2D).

Emerson Y. Chang, PA-C, is a highly skilled and compassionate Family Medicine Physician Assistant at Padder Health Services, Laurel, MD. A graduate of the University of Maryland, Emerson completed his Physician Assistant certification training at Anne Arundel Community College in 2008 and earned a Master’s in Medical Science from St. Francis University.Since joining Padder Health Services in March 2009, Emerson has been dedicated to providing comprehensive, patient-centered care. With over 15 years of experience, he focuses on preventive care, chronic disease management, and personalized treatment plans to meet each patient’s unique healthcare needs. Emerson’s commitment to excellence ensures that patients receive top-quality care in a welcoming and supportive environment.At Padder Health Services, Emerson Y. Chang, plays an integral role in delivering outstanding family medicine services, contributing to the practice’s mission of enhancing the health and well-being of its patients. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Diabetic Neuropathy, High Potassium Level, Type 2 Diabetes (T2D), and Hypertension.