Expertise Dr. Sitesh Roy's expertise includes but is not limited to the following: 1. Specialized Testing: Includes Spirometry, prick/ patch testing, intradermal testing, food challenges, drug challenges, vaccine challenges etc. 2.Allergen Desensitization: is an effective vaccination program that increases immunity to substances called allergens that trigger allergy symptoms. 3. Holistic Medicine: Combining ancient wisdom with modern technology to restore health and maintain wellness naturally without any side effects. 4. Personal Counselor: Dr. Roy takes complete responsibility of your family and your medical needs with individualized guidance provided both preventively and acutely. All aspects of health such as preventive care, diet, lifestyle, medications and natural supplements as well as one-on-one visits and counseling happen in parallel.