Diem K Nguyen, MD

Helena C. Pietragallo, MD Helana C. Pietragallo, MD, is an OB-GYN specializing in comprehensive obstetrics and gynecological care. She is also a certified menopause practitioner with expertise in women’s health across all stages of life. Dr. Pietragallo earned her Doctor of Medicine from Penn State College of Medicine in Hershey, Pennsylvania. She completed her residency in obstetrics and gynecology at Penn State Health Milton S. Hershey Medical Center, where she gained experience in managing a wide range of women’s health conditions. She is certified by the American Board of Obstetrics and Gynecology and is a fellow of the American College of Obstetricians and Gynecologists. Dr. Pietragallo is committed to promoting wellness and addressing the unique needs of her patients with compassion and expertise. She welcomes patients ages 40 years and older.

Kelsie Mittereder, DO Kelsie Mittereder, DO, is an OB-GYN with AHN Women, specializing in personalized complex obstetric care including contraception, comprehensive obstetrics, wellness, and abnormal bleeding. She is skilled at performing minimally invasive surgery. Dr. Mittereder went to medical school at Midwestern University — Arizona College of Osteopathic Medicine in Phoenix, Arizona and did her residency at University of Arizona College of Medicine in Phoenix, Arizona. Dr. Mittereder is certified by the American Board of Obstetrics and Gynecology and is affiliated with the American Osteopathic Association and the American Congress of Obstetricians and Gynecologists. Her goal is to provide personalized, high-quality care that incorporates each individual patient’s lifestyle components into their medical care. She sees patients ages 13 and older.

Rebecka Diehl, PA-C Rebecka Diehl, PA-C is a physician assistant with AHN Women, specializing in obstetrics and gynecology. She is skilled at Nexplanon placement and removal, IUD placement and EMB. Her main clinical interest is educating young women about birth control. She received her Bachelor of Science and Master of Science in Physician Assistant Studies from Seton Hill University in Greensburg, Pennsylvania. Rebecka Diehl is certified by the National Commission on Certification of Physician Assistants. She also holds certifications in Basic Life Support, Advanced Cardiac Life Support, and Pediatric Advanced Life Support. Her main goal is to make an impact on women’s health and she is dedicated to the care of patients. Rebecka Diehl sees patients ages 18 and older.