High Rock Internal Medicine High Rock Internal Medicine is located on 104 W Medical Park Dr in Lexington. They can be reached by phone by calling (336) 224-0931 . Their hours of operation are Monday 8:00am to 8:00pm , Tuesday 8:00am to 8:00pm , Wednesday 8:00am to 8:00pm , Thursday 8:00am to 8:00pm , Friday 8:00am to 8:00pm , Saturday 8:00am to 2:00pm , Sunday 10:00am to 4:00pm and they can be reached by calling (336) 224-0931 . Visa, Discover, Master Card is accepted as methods of payment. They have a single review on MojoPages.com, and it's a positive review.