Dr. Jamar G. Williams is an internist in Columbus, Ohio and is affiliated with OhioHealth Riverside Methodist Hospital. He received his medical degree from Wright State University Boonshoft School of Medicine and has been in practice for more than 20 years. Dr. Jamar G. Williams has expertise in treating hypertension & high blood pressure, aneurysm, diabetes, among other conditions – see all areas of expertise. Dr. Jamar G. Williams accepts Medicare, Aetna, Blue Cross, United Healthcare – see other insurance plans accepted. Dr. Jamar G. Williams is highly recommended by patients.