Katrina Thoma, Director of Medical Services at Sadler, is certified in pediatric primary care and specializes in pediatric congenital heart defects and intensive care.
Nancy Berill is a certified family nurse practitioner having served in a variety of healthcare settings.
Gordon Braun is a certified Physician Assistant. He graduated from Hahnemann University. He has worked in Family Practice, Internal Medicine, Geriatrics and most recently Urgent Care prior to joining the Sadler team.
Pascale Guirand is a certified family nurse practitioner who has served in the medical field over 24 years in the United States Army and public sector. She is a member of the American Nurses Association and American Academy of Nurse Practitioners.
Beth Helberg is a certified Physician Assistant. She attended Liberty University where she majored in English and Communication.
Melissa is a registered and licensed dietitian-nutritionist. Melissa received her undergraduate 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. Gordon Miller, Family Physician at Sadler, provides family care. He has practiced in south central Pennsylvania for the past 12 years following his retirement from military service in the United States Army.
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.
Dr. Lakshmi Polavarapu, Lab Director at Sadler, focuses on family and addiction medicine. She is certified in medication-assisted treatment for opioid abuse and is a committee member with the Task Force on Opiate Prescribing with Partnership for Better Health.
Michael Spaeder is a certified Physician Assistant. After graduating from Hershey High School, he served 14 years in the Navy as a hospital corpsman, serving both Navy and Marine Corp units. He graduated with Cum Laude in 1995 from Kings College where he studied to become a Physician Assistant.
Mary Spiese, 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. Spiese received her Masters of Science in Nursing from Chamberlain College of Nursing and received her Bachelor of Science in Nursing from Drexel University.