Meet Your Doctors

The physicians at the Renal Access Clinic of Houston specialize in preparing temporary and permanent access options for you. We understand the vital importance of maintaining your dialysis "lifeline", therefore we are committed to providing you with first-class service in a comforting and professional environment. Our Physicians hold a 95% proven success rate against the national average success rate of 85%. You can be assured that you are getting the best care available.
Dr. Pedro Frommer, MD, FACP, FRCP(C)


Dr. Frommer is the Medical Director of the Renal Access Clinic. He is a Clinical Professor of Medicine at Baylor College of Medicine and the University of Texas Medical School in Houston.
 
Dr. Frommer is one of the most experienced Interventional Nephrologists in the U.S. with more than 30 years of combined experience in Nephrology and in Interventional Nephrology. He is Board Certified in Internal Medicine, Nephrology, and ASDIN Certified in Interventional Nephrology.
 
Dr. Frommer is experienced in Acute Renal Failure, Chronic Kidney Disease, Acid-Base Imbalances, Hypertension, Kidney Transplantation, Acute and Chronic Hemodialysis and Peritoneal Dialysis.
Dr. Sumia Rashid, MD

Dr. Rashid is Board Certified in Internal Medicine, Nephrology and is ASDIN Certified in Interventional Nephrology. She received her medical degree from Medical College of Kashmir in Kashmir, India. Dr. Rashid completed her Internship, Residency and Fellowship in Nephrology training at the University of Toledo Medical Center in Toledo, Ohio. She is a member of both the American Society of Nephrology and the National Kidney Foundation.

Dr. Rashid is a highly qualified Interventional Nephrologist and is experienced in the treatment of Acute Renal Failure, Chronic Kidney Disease, Hypertension, Acid-Base Imbalances, Kidney Transplantation, Acute and Chronic Hemodialysis and Peritoneal Dialysis.
 
Dr. Christos Katsigiannis, MD, FACP, FRCP(C)

Dr. Katsigiannis is a Board Certified in Thoracic, Cardiac and General Surgery. He completed his medical education from Texas Tech University health Sciences Center School of Medicine and his Residency and Fellowship was completed at Baylor College of Medicine. Dr. Katsigiannis specializes in Dr. Katsigiannis is a Board Certified in Cardiac and General Surgery. He has also received additional Board Certification from American Thoracic Society. He completed his medical education with AOA Honors and top of his class from Texas Tech University Health Sciences Center School of Medicine. Dr. Katsigiannis completed his Residency and Fellowship at Baylor College of Medicine.
 
Dr. Katsigiannis has over 30 years of combined experience with 23 years of cardiovascular surgery. He specializes in creating Arteriovenous (AV) Fistula and Graft, Peritoneal Dialysis (PD) Catheter insertion, Peripheral Arterial Disease evaluation and intervention as well as any renal access interventional procedures with an excellent success rate.
 
He has lived in the Houston area for more than 20 years and enjoys spending time with his daughters. Dr. Katsigiannis maintains an excellent bedside manner with all his patients and takes the time to explain the process of their procedures making them feel comfortable to ask any questions. 
Palak Patel, FNP-C
 
Nurse Practitioner is a Board-Certified Family Nurse Practitioner credentialed through the American Academy of Nurse Practitioners and licensed to practice by the Texas Board of Nursing.
 
Originally from India, Palak completed her Bachelor of Science degree in Nursing from College of Nursing Civil Hospital in India, earned a Master of Science degree in Nursing from the Prairie View A & M College of Nursing, Houston and is a member of the American Association of Nurse Practitioner and the American Society of Nephrology. Prior to joining Interventional Nephrology Associates, she worked as registered nurse for Houston Methodist Medicine Department.
 
As a Nurse Practitioner, Palak works closely with Dr. Frommer and Dr. Rashid evaluating and treating Acute Renal Failure, Chronic Kidney Disease, Dialysis, Hypertension, Peripheral Vascular Disease and Peripheral Arterial Diseases.