Achieve Doctors
HAYES WILLIAMS, MD, PHD

Dr. Williams trained at Louisiana State University School of Medicine in Shreveport Louisiana and completed his surgical Internship at Baptist Hospital in Birmingham, Al. He has a Master of Science degree in Biology and a Doctorate of Philosophy. Dr. Williams was in private practice for 31 years and has been conducting research with Achieve Clinical Research in the capacity of Medical Director and Principal Investigator since 2001.


GARY L. BOYD, MD

Dr. Boyd completed his residency at Carraway Methodist Medical Center in Birmingham after attending medical school at the University of Alabama School of Medicine.  He also has a Master’s Degree in social work.  Dr. Boyd is board certified in Internal Medicine.


JAMES SOSNOWCHIK, MD

Dr. Sosnowchik trained at Ohio State University. He completed his medical residency at Duke University Medical Center with a fellowship in Pulmonary Medicine. He is Board Certified in Internal Medicine and Pulmonary Medicine.


H. ANDREW WILSON, JR. , MD

Dr. Wilson trained at the University of Alabama and completed his medical residency at University of Virginia Affiliated Hospitals and University of Alabama in Birmingham. He completed a fellowship at North Carolina Baptist in Winston-Salem, North Carolina. He is Board Certified in Pulmonary Medicine, Critical Care, Sleep Medicine, and Internal Medicine.


CHRISTOPHER RONEY, MD

Dr. Roney trained at the University of Mississippi and completed his medical residency at the University of Mississippi Medical Center. He completed a fellowship in Pulmonary/Critical Care Medicine at the University of Alabama at Birmingham. He is Board Certified in Internal Medicine and Pulmonary Medicine.


FARAH SULTAN, MD

Dr. Sultan trained at Christian Medical College, Vellore, India. She obtained a graduate degree from University College, London, UK. Dr. Sultan completed a family practice residency at Baylor College of Medicine, San Jacino Methodist Hospital. She is Board Certified in Family Practice and certified by the UK Board in Internal Medicine.


Avail Doctors
VISHAL GUPTA, MD

Dr Gupta completed both his residency in Internal Medicine and his fellowship in Gastroenterology at the University of Florida, while also earning his undergraduate degree in Biochemistry there. With privileges at Fish Memorial Hospital in Orange City, FL and a thriving practice in Orange City, Dr Gupta is an active investigator at Avail in a variety of GI trials.
www.greaterorlandogi.com


Dr. Hill conducts clinical trials at Avail Clinical Research
JOHN M. HILL, MD, CPI

John Hill has served as a principle investigator since 2005, specializing in a diverse range of indications spanning diabetes, HTN, dementia and chronic obstructive pulmonary disease (COPD).

Since 2009, He has worked as a physician at West Volusia Family and Sports Medicine. Previously, he served as a team physician for Stetson University and University High School in Deland, FL.

He is board-certified by The American Board of Family Medicine, and earned certification as a principle investigator in 2009. In addition, he is a certified respiratory therapist.

Dr. Hill earned his medical degree from Ross university in New York city, and a bachelor of science degree from the University of Central Florida. He completed the Southwest Georgia Family Medicine residency program in Albany, GA.

Outside of his medical activities, Dr. Hill serves on the Volusia county school board.


BRUCE G. RANKIN, DO, FACOFP, MRO, CPI

Dr. Bruce Rankin serves as Medical Director for Avail Clinical Research. In this role, a position which he has held since 1998, Dr. Rankin oversees clinical studies across a diverse range of therapeutic areas, and is responsible for ensuring all clinical trials meet the highest standards of research integrity and ethical conduct.

Dr. Rankin has served as Chief of Staff at Florida Hospital Deland, and was a physician advisor at West Volusia Hospital Authority. Dr. Rankin has served as Medical Director of the West Volusia Chapter of the American Cancer Society and is past president of the Florida Society of Family Medicine. In addition, he has managed a private practice in family medicine for thirty years.

Dr. Rankin is a board-certified physician investigator, and is board-certified from the American College of Family Practitioners in Osteopathic Medicine and Surgery. He is a Diplomat of the National Board of Osteopathic Medicine.

Dr. Rankin received his doctor of osteopathic medicine degree from Nova Southeastern College of Osteopathic Medicine. He earned a bachelor of science degree in chemistry from the University of Florida.


MELANIE VANDEMARK, MD, FAAFP, CPI

Dr. Melanie VanDemark is Vice President of Medical Affairs for Accel Research Sites, providing medical oversight and supervision of the research teams who conduct Phase I – IV clinical studies.

Since 2009, Dr. VanDemark has overseen clinical studies as a principal investigator in a wide variety of indications, including women’s’ health, obesity and neurology indications for the past six years.

Most recently, she worked as a family physician for Florida Hospital Deland. Previously, she was a family physician and owner of Deland Family Medicine.

Earlier in her career, Dr. VanDemark served as Women’s Health Physician and subsequently as Medical Director for Stetson University Student Health Services.

Since 2008, Dr. VanDemark has held the position of Clinical Assistant Professor at Florida State University College of Medicine. She is board-certified by the American Board of Obesity Medicine and a Fellow of the American Board of Family Medicine, and is a Certified Principal Investigator.

Dr. VanDemark earned her doctor of medicine degree from Loyola University Stritch School of Medicine. She received a bachelor of science degree in biological sciences and a minor degree in chemistry from Illinois State University.  She completed her residency at Halifax Medicine Residency Program in Florida where she was elected and served as Chief Resident.


Picture of Dr. Feldman who conducts clinical trials in DeLand, FL
ANDREW FELDMAN, DO

Dr. Andrew Feldman has re-joined Accel Research Sites as a Principle Investigator, after an earlier affiliation in the same role. He has practiced family medicine for more than 30 years, and brings more than 15 years of experience in clinical research. Locally, Dr. Feldman has worked as a family physician at Advanced Family Medicine, and Associates in Medicine.

Dr. Feldman’s therapeutic specialty areas include cardiovascular and endocrine (hypertension, diabetes, thyroid disease) as well as indications related to the central nervous system (depression and anxiety, attention deficit disorder and attention deficit hyperactivity disorder).

Early in his career, Dr. Feldman served in the Unites States Army, earning the rank of major. While in the army, he served as administrator of troop medical clinics and as interim chief of department of family medicine and emergency medicine.

In 2014, Dr. Feldman was the recipient of the UnitedHealthcare Outstanding Achievement Award.

Dr. Feldman earned his doctor of osteopathic medicine degree from the College of Osteopathic Medicine of the Pacific in Pomona, CA, and a bachelor of science degree in biology from Muhlenberg College, in Allentown, PA.


Dr. Bell is a clinical investigator working with Avail Clinical Research
MICHAEL BELL, MD, FAAP

Dr. Michael Bell is a pediatrician with 35 years of experience in private practice at West Volusia Pediatrics.

Since 2007, Dr. Bell has held the position of Assistant Professor at Florida State University College of Medicine. He is board-certified by the American Board of Pediatrics, and is a reviewer for the State of Florida Board of Medicine.

Active in child protection services, Dr. Bell has served as Medical Director for Children’s Medical Services District XII since 1992, and Medical Director for the Child Protection Team of Volusia and Flagler County since 1987. For the past 20 years, Dr. Bell has served as a member of the section on Child Abuse and Neglect within the American Academy of Pediatrics. In addition, he is a Pediatric Clerkship Director for Florida State University at the Daytona Beach Campus.

Dr. Bell earned medical and bachelor of science degrees from the University of Alabama at Birmingham, where he also completed his residency.


Dr. Reinertsen conducts clinical research in Birmingham, AL
JEFFREY REINERTSEN, MD, FAAP

Dr. Jeff Reinertsen is a pediatrician with more than 25 years of experience in private practice at West Volusia Pediatrics.

Since 2007, Dr. Reinertsen has also served as Assistant Professor at Florida State University College of Medicine at the Daytona Beach campus. He is board-certified by the American Board of Pediatrics, and is a fellow of the American Academy of Pediatrics.

Dr. Reinertsen received his doctor of medicine and undergraduate degrees at the University of South Florida in Tampa, Florida and completed his pediatric residency at Tampa General Hospital.


SONA RAMDATH, JR, DPM, FAAPSM

Dr. Sona Ramdath Jr. received his doctorate of podiatric medicine at Barry University School of Medical Sciences in Miami Shores, Florida, and completed his residency at the Department of Veterans Affairs Podiatric Medicine and Surgery in Miami, Florida.  He then completed a Fellowship in Sports Medicine at Palo Alto Medical Foundation in California with a mini Fellowship in Germany and England.  He has an interest in Sports Medicine along with Reconstructive Foot and Ankle Surgery.


Accord Doctors
LOUIS M. AGNONE, MD

Dr. Louis Agnone has been practicing Gastroenterology for over 20 years, and joined the Borland-Groover Clinic in 2007. He completed his Fellowship training in Gastroenterology in 1989. Dr. Agnone has been an active staff member at both Halifax Medical Center and Florida Hospital – Ormond Beach, and currently is Medical Director of the Surgery Center of Volusia and managing partner of Borland-Groover Clinic’s Port Orange office location.

Dr. Agnone received his undergraduate degree from Duke University and his medical degree from University of South Florida. He completed a Residency in Internal Medicine & Fellowship in Gastroenterology from the University of Illinois, Chicago. He is board certified in both Internal Medicine and Gastroenterology and consistently receives the AMA’s Physician Recognition Award for continuing medical education.


HARRY MOULIS, MD

Dr. Moulis attended medical school at the University of Miami, completed his internship and residency at Orlando Regional Medical Center and was chief resident his senior year. As a fellow in gastroenterology, he published several review articles and mastered new techniques and procedures, which he introduced to the Volusia county region. He\’s been practicing here since 1992. He is Board Certified in Internal Medicine and Gastroenterology.


SUNIL P. PASRICHA, MD

Dr. Pasricha is originally from Ann Arbor, Michigan and received his MD from Wayne State University. He completed his internship and residency at St. Joseph Mercy Hospital in Ann Arbor, Michigan and then completed a fellowship in gastroenterology at William Beaumont Hospital in Royal Oak, Michigan in 1990.

Dr Pasricha is Board Certified in Internal Medicine and Gastroenterology and has been conducting research for many years. Prior to working as a clinical investigator for Accord, he practiced for a number of years in south-western Michigan and was assistant clinical professor, Department of Medicine, at Michigan State University.


DONATO R. RICCI, MD

Dr. Ricci is originally from New York City where he attended and graduated from Hunter College. He went on to obtain his medical degree from Ross University School of Medicine in 1983. His residency was completed at Mount Sinai Hospital and VA Hospital in New York City. He served his gastroenterology fellowship at Western Pennsylvania Hospital from 1986 to 1988. He is board certified in Internal Medicine and Gastroenterology.


GREGORY J. STELLA, MD

Dr. Stella graduated from Princeton University and entered Johns Hopkins University for Medical School. After completing medical school, Dr. Stella interned and completed his internal medicine internship and residency at the Brigham and Women’s Hospital in Boston, MA in 1982. He then went to Yale University where he completed a two year clinical track gastroenterology fellowship and from there entered a private practice. He is Board Certified in Gastroenterology and is the past Chairman of the Department of Medicine at Humana Hospital.

After completing training in Gastroenterology, Dr. Greg Stella moved to the Daytona Beach area in 1984 to practice with Gastrointestinal Associates. He has served over the years on various hospital committees at Halifax Medical Center, including as Chief of Staff and on the Medical Executive Committee and Credentials Committee.