TassajaraVet.com - Give us a call today at 925-736-8387. Dr. Dowd of Tassajara Veterinary Clinic, is dedicated to providing excellent patient care. The doctor specializes in Dentistry, Diagnostic Imaging Services, and Grooming. The facility has doctors, staff, and equipment for diagnosing and treating specific patients needs. The office is located in Danville and serves the surrounding towns of Blackhawk and Tassajara.