Welcome To Germantown Primary HealthCare Dr. Lakhvinder "Sonu"Wadhwa believes a patient-centered approach to healthcare leads to the best outcomes: treating patients with courtesy and respect, listening carefully, and explaining things in a way the patient can understand. He would love the opportunity to earn and maintain your trust. Ashley Toy, PA-C, is a board-certified physician assistant. Ashley believes in a patient-centered approach to healthcare with a focus on compassionate and individualized care. Her main goals are to be able to thoroughly address patients’ concerns, educate them on their health in understandable terms, and assist them in reaching their health goals.