Dr. Lakshmi Polavarapu is Interim Chief Medical Officer at Sadler Health Center, where she provides clinical leadership to the medical department in support of high-quality, integrated, whole-person care for patients. At Sadler, she practices family and addiction medicine. She is certified in providing MOUD (medications for opioid use disorder) and serves on the Task Force on Opiate Prescribing with the Partnership for Better Health.
Dr. Kent Copeland brings more than 32 years of clinical experience to Sadler Health Center. His career has taken him across the United States and abroad, including two decades of charitable medical work in Asia.
Pascale Guirand is a certified family nurse practitioner with more than 24 years of experience in both military and public health settings. She is a member of the American Nurses Association and American Academy of Nurse Practitioners.
Dr. Krishnan is a Pediatrician at Sadler’s West Shore Center in Mechanicsburg. Dr. Krishnan has extensive experience providing comprehensive pediatric care across various clinical settings, most recently at a renowned children’s hospital in India.
Melissa Nale is a registered and licensed Dietitian-Nutritionist. Melissa earned dual bachelor’s degrees in nutritional sciences and psychological science from Penn State University.
Maureen Miller-Griffie, is a certified family nurse practitioner with over 40 years of experience in nursing. She earned her nursing diploma from the Altoona Hospital of Nursing and her Master of Science degree in Nursing from Walden University.
Dr. Sruthi Nelluri, a board-certified Internal Medicine physician, was born in Telangana, India. Graduating from Kakatiya Medical College, Warangal, she continued her medical journey with an Internal Medicine residency at Nazareth Hospital.
Dr. Stephen Phillips, Family Physician at Sadler, has over 30 years of experience serving patients of all ages. He was formerly a family physician in the United States Army before retiring in 2017.
Melissa is excited to join Sadler Health Center and looking forward to providing excellent care to our community.
Mary Schulz, certified family nurse practitioner, is committed to providing the best family care at Sadler Health Center. She has worked in the medical field for over 9 years. Schulz received her Masters of Science in Nursing from Chamberlain College of Nursing and received her Bachelor of Science in Nursing from Drexel University.
Katrina Thoma serves as a pediatrician at Sadler. She is certified in pediatric primary care and specializes in congenital heart defects and pediatric intensive care.











