Dr. John Kellogg, MD is a highly experienced board-certified internist and allergist with over 30 years of dedicated practice in the medical field. He specializes in allergy and immunology, with a focus on the diagnosis and treatment of various conditions, including asthma, allergic rhinitis, chronic sinusitis, and food allergies. Dr. Kellogg graduated from Tulane University, where he earned both his MD and MS degrees and completed his residency at the University of California, San Francisco....