How to Set Up Your Patient Portal Today. ... Mechanicsville, VA 23116. Fax: 804-559-6982. Westhampton Medical Park. 5320 Patterson Avenue Suite 200 Richmond, VA 23226. Fax: 804-285-3389. Henrico Doctors' POB. 7605 Forest Avenue Suite 109 Richmond, VA 23229. Fax: 804-285-6393. Warsaw. 4709 Richmond Road.