Dr. Mark S. Parker

Dr. Doherty earned his undergraduate degree from The College of William and Mary. It was during his time there as a chemistry major, that he learned of his passion for problem solving and experimenting. That passion led to his pursuit of a medical degree, which he earned from Virginia Commonwealth University School of Medicine.As an Interventional Radiologist (IR), he performs minimally invasive surgeries and diagnoses conditions through medical imaging. “It keeps us on our toes,” he said about the daily work of IRs. “We can treat varicose veins, uterine fibroids, aid in cancer diagnosis and perform cancer treatments all in the same day.”In his free time, Dr. Doherty enjoys traveling and perfecting his grilling and smoking techniques on his Big Green Egg. Dr. Doherty is rated as a Distinguished provider by MediFind in the treatment of Adenosine Deaminase 2 Deficiency. His top areas of expertise are Ascites, Cirrhosis, Varicose Veins, Bone Graft, and Vertebroplasty.

John Grizzard is a Radiologist in Richmond, Virginia. Dr. Grizzard has been practicing medicine for over 46 years and is rated as an Advanced provider by MediFind in the treatment of Adenosine Deaminase 2 Deficiency. His top areas of expertise are Pleurisy, Pleural Effusion, Bronchogenic Cyst, Mediastinitis, and Cardiac Ablation. Dr. Grizzard is currently accepting new patients.

James Grimson is a Radiologist in Gloucester, Virginia. Dr. Grimson is rated as an Advanced provider by MediFind in the treatment of Adenosine Deaminase 2 Deficiency. His top areas of expertise are Ascites, CAPOS Syndrome, Emphysema, and Gallbladder Disease.