John F. Campbell, MD

Dr. Campbell earned his medical degree from Emory University School of Medicine. He is board certified in Internal Medicine and Infectious Disease. He has been in practice for more than 25 years and has extensive experience in infectious diseases, internal medicine, employee health and travel medicine.

Cynthia B. Snider, MD

Dr. Snider earned her medical degree at the University of Utah, where she had the opportunity to do research in Uganda with adolescents born with HIV.  She completed her internal  medicine residency and infectious diseases fellowship at the University of Virginia.  Dr. Snider is a member of the Infectious Diseases Society of America and the Society of Healthcare Epidemiology of America.

Robert W. Comer, MD

Dr. Comer received medical training in internal medicine and pediatrics at Baystate/Tufts University School of Medicine in Massachusetts and fellowship training in infectious diseases at Wake Forest Baptist Medical Center in Winston-Salem. He has completed additional training at the Gorgas Medical Institute in Lima, Peru.

Jeffrey C. Hatcher, MD
Stephanie Dixon, FNP
Greg Calone, NP

Dr. Hatcher received his medical degree from the University of Louisville School of Medicine. In addition to being the Medical Director of the Regional Center for Infectious Disease, he is an assistant professor at the University of North Carolina at Chapel Hill. He is board certified in Internal Medicine and Infectious Disease.

Nick Powers, MD

Nick Powers, MD, specializes in infectious diseases. His professional interests include HIV, hepatitis C and travel medicine.

A keen listener, he strives to treat patients as he would family members. An open, honest and direct communicator, he encourages patients to share their stories, which may offer insights into their medical riddles. In his effort to improve the health of his patients, he helps ease their anxiety and supports them on their road to recovery.

In his spare time, he is an avid tennis player and a fan of the sport. He enjoys spending time with his family and dogs, gardening and traveling.

“I grew up as the AIDS epidemic gripped our country and world. I find it remarkable the medical community has transformed this disease into a chronic and manageable infection. This type of medical innovation and progress is what inspires me to focus on infectious diseases.” – Nick Powers, MD

Stephanie Dixon, FNP-C, is a board-certified family nurse practitioner. Her professional interests include family medicine and infectious disease.

She is passionate about engaging her patients so they are active participants in their own care. Collaborative, open and honest, she enjoys helping her patients lead healthy lives. A creative problem solver who attends to detail, she is especially adept at managing infectious disease.

Along with her husband, also a nurse, she enjoys time at home with her two young children. In addition, she enjoys spending time outside, exercising, reading, watching movies and hearing her children laugh.

“Caring for and helping people in our community achieve healthy lives is extremely rewarding and satisfying work for me. No other career has ever been able to hold my attention like nursing and medicine have. I am in the very fortunate position of being able to offer both models in the care of my patients.” – Stephanie Dixon, FNP-C

Greg received his Nurse Practitioner education with a Masters Degree in Nursing from East Carolina University and a Bachelors of Nursing from the University of North Carolina at Chapel Hill.  He has over 20 years of health care experience including primary care, sports medicine and nutrition. Prior to becoming a nurse practitioner he worked as a nurse on the Neurosurgical/Trauma Intensive Care Unit at Moses Cone Hospital

Cornelius N. Van Dam, MD

Dr. Van Dam earned his Bachelor of Arts from Duke University and his medical degree from the Medical College of Wisconsin. Dr. Van Dam attended the University of Utah for Internal Medicine Residency and the University of North Carolina at Chapel Hill for his Infectious Diseases Fellowship. Board certified in both Internal Medicine and Infectious Disease, he is an Assistant Professor at the University of North Carolina -AHEC.  Dr. Van Dam is the Principal Investigator of all HIV clinical trials conducted at the Regional Center for Infectious Disease. A member of the Antiretroviral Therapy Transformative Science Group (TSG) of the AIDS Clinical Trials Group (ACTG) and the Less-Frequent-ART-Dosing Working Group of the ARTS TSG since 2016, Dr. Van Dam is particularly interested in novel treatments and novel mechanisms of delivery of anti-retrovirals to patients.

Anti-Retroviral Therapy Strategies. In addition to overseeing research of the AIDS Clinical Trials Group as Site Leader, along with the HIV Prevention Trial Network Study 083, the INSIGHT Network Study Strategic Timing of Anti-Retrovirals (START) and several pharmaceutical sponsored research Dr. Van Dam has collaborated with Dr. Scott Rhodes, PhD from Wake Forest on Community Based Research efforts such as “WeCare” and “We PrePARE. Dr. Van Dam serves on the Board of Directors for Triad Health Project one of the oldest AIDS Service Organizations in the country. He is highly involved with the community of those living with HIV and at risk for HIV infection. In addition to his strong interest in the science of HIV treatment and prevention he is passionate about the social inequities and stigma that are one of the biggest obstacles to ending the HIV epidemic.

301 East Wendover Avenue

Suite 111

Greensboro, NC 27401-1209

Phone: (336) 832-7840

Fax: (336) 832-3285

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Monday - Thursday  8:30 a.m. - 5 p.m.

Friday 9 a.m. -  noon

Closed daily for lunch 12:30 - 1:30 p.m.