New family practice physicians Drs. Robert and Christina Holtz are now practicing at this clinic. Allergy testing and immunotherapy services now available, along with all the services offered by a primary care clinic including same day appointments, acute care and chronic disease management.. When you need medical care,make TienaHealth Frisco your first stop for all of your primary care health needs. Warm,compassionate and caring for their patients is the cornerstone of what Dr. Shane Hall and Dr. Barbara Dean stand for. Call 214-387-4073!