Our Internal Medicine Physicians

Gerald French, MD and D. Matthew Koehler, MD are board-certified internal medicine physicians with more than 30 years of experience providing quality healthcare for the Delaware community and nearby central Ohio communities.

As OhioHealth Primary Care Physicians, formerly Delaware Internal Medicine, Dr. French and Dr. Koehler continue their tradition of providing quality, accessible healthcare to our neighbors and community. Our physicians are able to diagnose and treat a wide variety of medical problems and illnesses, as well as coordinate any additional care or services you may need, including specialty referrals and hospital services.

Both Dr. French and Dr. Koehler are members of the medical staff at OhioHealth Grady Memorial Hospital, which connects you and your family with seamless access to OhioHealth’s full range of advanced medical services, expert specialty physicians and central Ohio’s largest and most preferred healthcare system.

Gerald French, MD

Board-Certified in Internal Medicine

D. Matthew Koehler, MD 

Board-Certified in Internal Medicine