Dr. Katherine D. Derby

Sudarshan Sharma is an Obstetrics and Gynecologist practicing medicine in Chicago, Illinois. Dr. Sharma is highly rated in 16 conditions, according to our data. His clinical expertise encompasses Endometrial Cancer, Ovarian Cancer, Sertoli-Leydig Cell Tumor, Oophorectomy, and Lymphadenectomy. Dr. Sharma is currently accepting new patients.

Frank Tu, MD, a pelvic surgeon, obstetrician and gynecologist at Endeavor Health, integrates surgical expertise with NIH-funded clinical research to advance outcomes in women’s health. His practice focuses on complex pelvic pain and minimally invasive surgical care, often supporting patients referred after multiple consultations. Dr. Tu collaborates across disciplines to address challenging cases and leads innovations in surgical standardization and AI-driven research into disease mechanisms. With a patient-centered approach grounded in humility and curiosity, he helps patients find clarity and comfort in their care journey. Dr. Tu is highly rated in 15 conditions, according to our data. His clinical expertise encompasses Painful Menstrual Periods, Interstitial Cystitis, Endometriosis, Hysterectomy, and Tissue Biopsy. Dr. Tu is board certified in American Board Of Obstetrics And Gynecology. Dr. Tu is currently accepting new patients.

Ernst Lengyel is an Obstetrics and Gynecologist practicing medicine in Arlington Heights, Illinois. Dr. Lengyel is highly rated in 9 conditions, according to our data. His clinical expertise encompasses Ovarian Cancer, Sertoli-Leydig Cell Tumor, Endometrial Cancer, Oophorectomy, and Splenectomy. Dr. Lengyel is board certified in American Board Of Obstetrics And Gynecology, Practicing Since1992, and Gynecologic Oncology. Dr. Lengyel is currently accepting new patients.