More Information 

Attentive Staff

Gastroenterology

Anthony L. Thomas, M.D.

Joel T. Callahan, M.D.

Gregory Thaggard, M.D.

Thomas D. Crowson, M.D.

 

Urology

Robert E. Dilworth, M.D.

Mark T. Phillips, M.D.

 

 

We know that some medical procedures can be difficult to face so our staff is here to answer any questions and make your visit with us as comfortable as possible.

 

Hours of Operation

Monday through Friday

6:00 A.M to 3:30 P.M

Phone: 601-485-1131

 

Our Staff  

 
Gastroenterologists
  Click on image to enlargeJoel T. Callahan Sr., MD has been a practicing Gastroenterology in Meridian since 1969. He is a partner at Internal Medicine Clinic. He graduated from University of Mississippi Medical School in 1965 and completed his residencies in Internal Medicine and Gastroenterology at Ochsner Foundation Hospital. He served as Clinical Assistant Professor of Medicine at University Medical Center in Jackson in 1979. Dr. Callahan is a member of East MS Medical Society, MS Gastroenterology Society, American Medical Association and the American College of Gastroenterology.
   
  Thomas D. Crowson, MD is a board certified Gastroenterologist who has been practicing medicine in Meridian since 1970 and is a partner at Meridian Medical Associates. He graduated from University of MS Medical School in 1970 and completed his residency in Internal Medicine at UMC Medical Ctr and in Gastroenterology at Ochsner Foundation Hospital. Dr. Crowson is a member of American Medical Association, Southern Medical Association and MS State Medical Association.
   
  W. Gregory Thaggard, MD is a board certified Gastroenterologist who has been practicing medicine in Meridian since 1995 and is a partner at Meridian Medical Associates. He graduated from University of Mississippi Medical Center in 1989 and completed his residencies at UAB in Internal Medicine and Gastroenterology. Dr. Thaggard is a member of the American College of Physicians and the American Gastroenterology Association.
   
  Anthony L. Thomas, MD is a board certified Gastroenterologist who has been practicing medicine in Meridian since 1992 and is a partner at Internal Medicine Clinic. He graduated from the University of Mississippi Medical School in 1988 and completed residencies in Internal Medicine and Gastroenterology at Vanderbilt University Hospital. He is a member of the American Medical Association and the American Gastroenterological Society.
   

 

Urologists
  Robert E. Dilworth, MD is a board certified Urologist who has been practicing medicine in Meridian since 1975 and is a partner at Meridian Urology Clinic. He graduated from LSU Medical School in 1970 and completed his residency in Urology in 1975. He is a member of the American Medical Association, Ms. State Medical Society and the American Urological Association.
   
  Mark T. Phillips, MD is a board certified Urologist who has been practicing medicine since 1992. He graduated University of Mississippi Medical Center and completed his residencies in General Surgery and Urology at Baylor University. He is a member of the America Medical Association, MS State Medical Association and the American Urological Association.