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Valley Occupational Medicine


Roanoke, VA


Our Office Staff

Dr. Powledge is board certified in Occupational Medicine and holds an MPH degree in Occupational Medicine.  He has been in the full-time practice of Occupational Medicine for 33 years.  After 22 1/2 years with Lewis Gale Clinic Dr. Powledge opened his private practice of Occupational Medicine.  In 2006 the name was of the practice was changed to Valley Occupational Medicine.  Prior to beginning his Occupational Medicine career Dr. Powledge was an Emergency Medicine physician for 9 years at Lewis Gale Medical Center.  Prior to his emergency Medicine career he was board certified in Family Practice. Dr.Powledge has received the TOP DOC and Bedside Manner Awards for Occupational Medicine in the Roanoke area on several occasions. 

Dr. Castern has been in the full time practice of Occupational Medicine for 28 years.  Prior to his Occupational Medicine career he was an Emergency Medicine physician 7 years.  Prior to his Emergency Medicine career he was a general surgeon for 5 years.  Dr. Castern has also received the TOP DOC award for the Roanoke area.


Dr. Jornales has been in the practice of Occupational Medicine with Valley Occupational Medicine for about 10 years and specializes in the various physical exams.  She received her board certification in Family Practice in 2000 and re-certified in 2007 .

Jim Porter, PA-C - Mr. Porter has been a physician assistant for 43 years.  In the past he supervised a group of Physician Assistants at George Washington University Hospital.  In addition to Occupational Medicine he has several years of experience in different specialties including Internal Medicine, Orthopedics and Podiatry.  He performs a large variety of physical exams.  

We have 3 of our providers present in the office the vast majority of the time and never less than two providers in order to be well-staffed and provide timely service.

Supporting our physicians are 5 nursing personnel including an x-ray technician, 4 receptionists/secretarial staff, our worker's compensation specialist and our office manager.


We are very proud of our highly qualified and experienced staff.