John H. ‘Chip’ Reed, III, MD, CDE

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M. Faisal Siddiqui, MD

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Arjun Haridas

Arjun Haridas, M.D.

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Donni Jester, RN, BSN, FNP

Donni has 23 years of experience in critical and emergency care. She graduated from Emory University and received a graduate degree from Brenau University. Prior to joining this practice, she worked in internal medicine.


Eileen Borkovich, RN, MS, APRN

Eileen has over 30 years’ experience in healthcare, graduating with a Bachelor of Science degree in Nursing in 1984 from Northern Illinois University. She obtained her Master of Science in Nursing, Family Nurse Practitioner, in 2006 from Kennesaw State University. She has experience in family practice, cardiology, and endocrinology.


Ellen Medved, MBA, BSN, RN, CDE

Ellen is our diabetes educator, specializing in Insulin pump therapy, Continuous Glucose Monitoring and Insulin Management. She has over 20 years experience as a diabetes educator working in out-patient diabetes education, endocrinology and the diabetes industry as a consultant. Ellen has a BSN from Indiana University and received her MBA in marketing from Kennesaw State University. She is a Certified Diabetes Educator and is a member of the American Association of Diabetes Educators. She has been a volunteer and speaker for Atlanta Diabetes University.

Diane Hood

Diane Hood, RD, LD, CDE, ACSM-CEP

Diane Hood, RD, LD, CDE, ACSM-CEP has 27 years’ experience in clinical nutrition, diabetes care, weight and obesity management, clinical research, and health and exercise education. Her skills as an educator and consultant, both as a private business owner and as a health care provider, have earned her awards and professional recognition in her field.

Diane earned her Bachelor of Science degree in human nutrition at the University of Massachusetts. She has earned Master’s degrees in maternal and infant nutrition and advanced diabetes management from the University of Alabama.

Diane is an accomplished speaker and organizer, participating in many programs which include the American Diabetes Association annual Diabetes EXPO, Georgia Dietetic Association annual conference, Camp Kudzu diabetes camp for children with Type 1 diabetes, and American Heart Association speaker’s bureau.