Our Physician Practices  > Primary Care Practices  > Three Rivers Medical Associates  > Meet Our Providers 

Columbia Office

Richard Allison MD
J. Richard Allison III, MD, has practiced in the Columbia area for more than 20 years and joined Three Rivers in 1999. He received his bachelor’s degree from Davidson College and his medical degree from Duke University. Dr. Allison completed his residency at Dorn VA Medical Center and Palmetto Health Richland.

Chris Ballou MD
Christopher B. Ballou, MD, is board certified in internal medicine. He received his bachelor's degree from the University of South Carolina and his medical degree from the University of South Carolina School of Medicine. He completed his residency at Palmetto Health Richland.

Francis Goldstein MD

Francis P. Goldstein, MD, is board certified in internal medicine. He received his bachelor’s degree from Rutgers University and his medical degree from the Medical College of Pennsylvania. He completed his residency at Palmetto Health Richland.

John Gould DO
John Gould III, DO, FACP,
is board certified in internal medicine and hospice and palliative medicine, and a fellow of the American College of Physicians. Dr. Gould received his Bachelor of Science in Pharmacy from the Philadelphia College of Pharmacy and Science and his Doctor of Osteopathic Medicine from the Philadelphia College of Osteopathic Medicine. He completed his residency at Palmetto Health Richland.

What is a DO?  

Leroy Huffman MD
Leroy J. Huffman, MD, FACP
is board certified in internal medicine with added qualifications in geriatric medicine, and a fellow of the American College of Physicians. He received his bachelor’s degree from Yale University and his medical degree from the University of Maryland School of Medicine.?He completed his residency at the University of South Carolina School of Medicine.

 

Dana Nairn MD
Dana M. I. Nairn, MD, received her undergraduate degree from the University of South Carolina and her medical degree from USC School of Medicine. She completed her residency training at Palmetto Health Richland.

Peggy Toliver-Dingle MD
Peggy V. Toliver-Dingle, MD, is b
oard certified in Internal Medicine with added qualifications in Geriatric Medicine, Dr. Dingle holds a bachelors degree from Occidental College and earned her medical degree from Tulane University School of Medicine.

 
 

Louise Holmes RN
Louise C. Holmes, MN, RN, CANP
Lou Holmes has been in nursing many years and since 1995 has been a certified adult nurse practitioner. She joined Three Rivers in 1998.

 


Irmo Office

 

Amjad AbdulRahman, MD
Amjad AbdulRahman, MD,
is board certified in internal medicine and a specialist in clinical hypertension. Dr. AbdulRahman received his bachelor's degree and medical degree from the University of Aleppo and completed his residency training at St. Luke's Hospital in Bethlehem, Penn..

 

Keith Bridgers MDD. Keith Bridgers, MD, received his bachelor’s degree from the University of South Carolina and his medical degree from the University of South Carolina School of Medicine. He completed his residency training at Mount Auburn Hospital. 


Rosalie Browning MDRosalie E. Browning, MD
, is board certified in internal medicine. She received her bachelor’s degree from Central Wesleyan and her medical degree from the Medical University of South Carolina. She completed her residency training at Palmetto Health Richland..

 

Carey Hite MD
L. Carey Hite, MD
is board certified in internal medicine. He received his bachelor’s degree from Davidson College and his medical degree from the Medical University of South Carolina. He completed his residency training at Palmetto Health Richland and DeWitt Army Community Hospital.

 

Elizabeth Patrick MD
Elizabeth A. Patrick, MD, FACP,
is board certified in internal medicine and a fellow of the American College of Physicians. She is a graduate of the University of Pennsylvania where she attended the Wharton School of Business as well as the School of Medicine. Her postgraduate training was initially in surgery and she completed an internal medicine residency at Oregon Health Sciences University. 

 

Sarah Schumacher DO
Sarah M. Schumacher, DO,
is a graduate of the University of New England College of Osteopathic Medicine in Biddleford, Maine and specializes in providing primary care services to older patients. She completed her residency at the Warren Hospital Family Practice Residency Program, which emphasized geriatric care.
What is a DO?

 
 

Patricia Head RN
Patricia M. Head, RN, MSN, FNP-C,
joined Three Rivers in 2005 and has been practicing as a Certified Family Nurse Practitioner since 1998. She has also served as clinical director of the Free Medical Clinic in Columbia since August 2003.