Dr. Celtik completed his urological surgery residency and general surgery internship at Houston Methodist Hospital in Houston, TX mentored by Drs. Rose Khavari, Brian Miles and Ricardo Gonzalez. During his five-year surgical residency in Houston he participated in over 500 robotic surgeries while focusing on minimally invasive surgical techniques. He also spent time in Austin, TX for transgender-specific training with Dr. Crane and Dr. Santucci. 

Dr. Celtik received his Doctor of Medicine (M.D.) from Hofstra Northwell School of Medicine where he graduated with a Distinction in Research, Excellence in Urology and he was inducted into the Alpha Omega Alpha medical honors society. Prior to medical school, he received his Master of Science (M.S.) in Human Nutrition from Columbia University in the City of New York which now informs his pre-operative and post-operative care plans. He is a California native who was born and raised in Orange County, and completed his undergraduate education (B.S.) at the University of California, Berkeley. 

Dr. Celtik offers Primary and Revision Robotic Peritoneal Flap Vaginoplasty, Penile Inversion Vaginoplasty, Orchiectomy, Vulvoplasty/Minimal Depth Vaginoplasty, Metoidioplasty, Scrotoplasty, Phalloplasty, Penile Implants, Testicular Implants, Urethroplasty and revision of complications of both masculinizing or feminizing surgery.

Dr. Celtik practices exclusively with the Crane Center for Transgender Surgery in Greenbrae, California. 

Dr. Celtik is a member of WPATH and the Society of Genitourinary Reconstructive Surgeons.