USF Department of Otolaryngology - Head & Neck 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. Walgampaya is a board-certified internal medicine physician. After completing his undergraduate studies in biology and pre-medicine, Dr. Walgampaya received his medical degree from St. George's University School of Medicine in Grenada, West Indies. He completed his internal medicine residency program at Seton Hall University/St. Michael's Medical Center in Newark, NJ. Previously, Dr. Walgampaya served as a medical director, chief medical officer and coroner, worked in an emergency room, and practiced both traditional and outpatient internal medicine. In his spare time, he enjoys volunteering, reading, traveling, gardening, cycling and running. Treats patients 18 years of age and older.

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. Kolanko is a board-certified family medicine physician. She completed her medical degree at the Medical University of Silesia in Katowice, Poland, and a residency in family practice at Indiana University.

Dr. Koslacz-Kolanko's previous experience includes practicing as a family medicine provider and medical director at the Kenosha County Health Center in Kenosha, WI. Her professional interests include community health, disease prevention and management of chronic disease. She is a member of the American Academy of Family Physicians and the Florida Medical Association.

Outside the office, Dr. Koslacz-Kolanko enjoys traveling, cooking, and spending time with family and friends. She is fluent in English and Polish.

Dr. Koslacz-Kolanko treats patients 12 years of age and older.

Board certified in General Ob/Gyn and Female Pelvic Medicine and Reconstructive Surgery