Dr. Douglas Johnston graduated from New York College of Osteopathic Medicine in 2001.
Dr. Johnston has one office in North Carolina where he specializes in Allergy / Immunology and Internal Medicine. Learn more.
Dr. Johnston works with two doctors including Dr. Charles Humphries and Dr. Vandana Patel.
As an allergist / immunologist in Charlotte, Dr. Douglas Johnston offers specialized care for allergic reactions and immunological disorders in patients of all ages. Dr. Johnston may treat and manage conditions like asthma, hives, and a range of allergic reactions like environmental or food allergies. He may also treat rhinitis & sinusitis, as well as other disorders that affect the body's immune system.
The specialty of internal medicine is an area of primary care for adults. Dr. Johnston specializes in diagnosing and treating cross-system illnesses that may affect multiple organ systems. Dr. Johnston can also refer patients to specialist physicians when medically needed. For instance, patients with skin conditions may be referred to a dermatologist for further diagnostic tests or treatment plans.
New York College of Osteopathic Medicine
MD • 2001
Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Johnston, but only those who participate in Medicare.