A graduate of Jefferson Medical College, Dr. Atlas completed his residency at Penn State University, Hershey Medical Center. He is Board Certified in Internal Medicine.
Dr. Sadaf Ausaf earned her medical degree from Dow Medical University in Karachi, Pakistan, and completed her internship at the prestigious Aga Khan University Hospital. She then pursued her dream of specializing in Internal Medicine by completing her residency at St. Vincents Medical Center, part of the Hartford HealthCare system in Connecticut.
In 2013, Dr. Ausaf joined Cooper Medical School of Rowan University in New Jersey as an attending physician, where she served on the Hospital Medicine faculty until June 2024. Alongside her hospital work, she also practiced telemedicine with Amwell, providing care to patients in both New Jersey and Pennsylvania. In February 2025, she joined PentaHealth.
Board-certified in Internal Medicine, Dr. Ausaf specializes in treating hypertension, diabetes, and cardiovascular disease, with a strong focus on preventive care and chronic disease management. She has a particular interest in women’s health and community mental health, aiming to enhance the management of chronic conditions.
Beyond medicine, Dr. Ausaf is passionate about early childhood education. She is a pioneer of the Muslim Children of North America (MCNA) program at the Foundation for Islamic Education in Exton. In her free time, she enjoys traveling with her family, practicing yoga, and capturing nature through photography. A lover of art, she has a special appreciation for henna design and calligraphy. Dr. Ausaf resides in the beautiful town of Malvern with her husband and two sons.
Dr. Baig studied at St. Joseph’s College and Dow Medical College in Karachi, Pakistan where she received her Medical Degree. She completed her internship at Montefiore Medical Center in New York, and her residency at Crozer Chester Medical Center in PA. Before joining PentaHealth, she worked as Physician at Crozer Medical Associates in Delaware County. Dr. Baig is Board Certified in Internal Medicine and Obesity Medicine. She is a member of American College of Physicians.
As a primary care provider, she enjoys the diversity and long-term relationships with her patients. Her special interests are obesity medicine, diabetes, depression, women’s health, and preventative care.
Dr. Baig is married and lives with her husband and 2 kids in beautiful Chester County. When she’s not seeing her patients, she enjoys gardening and exercise.
Dr. Chin graduated from Cornell University with both a bachelor’s and a master’s in Chemical Engineering before going on to Drexel University where she received her medical degree. She completed her residency at Lehigh Valley Hospital in Allentown, Pennsylvania, and is Board Certified in Internal Medicine. Dr. Chin is also certified in Plant-Based Nutrition and has a special interest in lifestyle medicine.
Dr. Mica Kane went to Jefferson for medical school and completed her internal medicine residency at Brown. She has a special interest in the prevention of cardiometabolic disease through working together with her patients to address their individualized risk factors in a holistic manner and ultimately help them maintain a healthy lifestyle.
Dr. Mica Kane has also completed additional coursework in obesity and weight management and plans to pursue certification through the American Board of Obesity Medicine.
Outside of work, she enjoys trail running with her husband and dog, painting, and trying out new restaurants.
Dr. Heather Lockner received her Bachelor of Science in Biology from Villanova University. She is a graduate of the Philadelphia College of Osteopathic Medicine, where she also completed her internship and residency in Internal Medicine. Dr. Lockner is board certified in Internal Medicine. As a primary care physician, she believes in patient-centered care and looks to partner with her patients in creating better health.
Jean Stretton, M.D., M.B.A. is board certified in Internal Medicine. She started her career as a solo physician in West Chester, PA in the 1980s. In 1996, she joined other independent primary care doctors to form PentaHealth formerly Gateway Medical Associates. From early in her career to the present, Jean has been a strong advocate for patient centered care, effective communication among health professionals and coordinated transitions of care.
In addition to private practice, Jean is a part time medical director for Penn Hospice. Additional interests include improving health information technology, patient and family education, and the unintended consequences of health policy.
Dr. Sunoo graduated from Case Western University School of Medicine in 1995 where she also completed her residency. Board Certified in Internal Medicine, Dr. Sunoo is also a member of both the Chester County and the Pennsylvania Medical societies. Dr. Sunoo has been practicing medicine since 1998 and resides in Exton.
