TGMG Colorectal Surgery

Gerri graduated from the midwifery program at Frontier Nursing University; a school known for its focus on ethical and compassionate healthcare for all women especially those from rural and underserved areas. Gerri wants every woman to have the office or hospital experience that makes her feel most comfortable. She is interested in supporting patients' obstetrics and gynecology needs as a partner to help her patients achieve success in their health goals.

Nathan Devabose, M.D., provides patient-centered, compassionate, preventative care to patients while focusing on maintaining overall health. Dr. Devabose is board-certified in Intermal Medicine and a registered physician in vascular interpretation and vascular technology with the American Registry for Diagnostic Medical Sonography (ARDMS). As a primary care physician and a vascular internist, he specializes in stroke, blood clots in veins and arteries, and diabetes, high blood pressure and diseases of the veins and arteries.

Dr. Poblete is board certified in Internal Medicine and is a Fellow of the American College of Physicians. She earned her medical degree from the University of Santo Tomas, Manila, Philippines, and completed her training in Internal Medicine at the Einstein Medical Center in Philadelphia. She joined TGMG in 2005; prior to this, she worked in both traditional internal medicine and ambulatory care.

Dr. Poblete manages acute and chronic conditions that affect the adult population, and provides preventive care through age-appropriate testing. She is recognized by the NCQA Diabetes Recognition Program. 

Dr. Farrales is a medical graduate of Manila Central University in the Philipines and completed his family practice residency at Howard University Hospital in Washington, D.C. He relocated to Florida after his residency and for over 15 years worked as a hospital-employed physician and a private practitioner in Ocala and Williston prior to joining the Tampa General Medical Group in January of 2013. His experience includes comprehensive, robust family care practice delivery in rural health clinic settings and excellent treatment of patients from all groups and diverse backgrounds. Dr. Farrales is board certified by the American Board of Family Practice and is a member in good standing of the American Academy of Family Physicians.

Dr. Farrales treats patients of all ages.
Dr. Farrales is recognized by the NCQA Diabetes Recognition Program.

Dr. Castro is a board-certified family medicine physician. He attended medical school at Arizona College of Osteopathic Medicine in Glendale, AZ and completed his residency at Largo Medical Center in Largo, FL. Dr. Castro's professional research experience includes multiple studies at the University of Michigan Cancer Center in the diagnosis and treatment of head and neck cancer. Dr. Castro's special areas of focus include:
- osteopathic manipulation and trigger point injections
- sports medicine and joint infection
- dermatologic procedures

Dr. Castro is a member of the American College of Osteopathic Family Physicians (ACOFP).

Dr. Castro treats patients of all ages.

Dr. Ross Simon is a Florida native who performed his medical training and residency at the University of South Florida here in Tampa. He did his undergraduate education at the University of Florida and holds a master's in human genetics from Tulane University. In addition to authoring many journal articles in both The Journal of Urology and European Urology, he undertook a year-long research fellowship dedicated to prostate cancer at the prestigious Duke University. Dr. Simon focuses on all areas of urology, such as stone disease, minimally invasive robotic surgery, and male sexual health. He is also fluent in Spanish and welcomes all of Tampa's Hispanic population.