Skip to Content
Dr. Theodoros Voloyiannis MD

Dr. Theodoros Voloyiannis MD

Colon & Rectal Surgeon

Memorial Hermann Southeast Hospital
(832) 932-1720


Born in Thessaloniki, Greece, Dr. Voloyiannis earned his medical degree at the Aristotle University of Thessaloniki Medical School and completed his Surgical Residency at Baylor College of Medicine, M.E. DeBakey Department of Surgery in Houston. Dr. Voloyiannis completed his fellowship in Colon and Rectal Surgery at The University of Texas Health Science Center at Houston (UTHealth) Medical School. He is Diplomate of both American Board of Surgery and American Board of Colon and Rectal Surgery. He is also Fellow of American College of Surgeons.

Dr. Voloyiannis' main focus involves surgical and non-surgical colon and rectal procedures. He has a strong interest in the latest advances and performs minimally invasive laparoscopic surgeries, colonoscopies and hemorrhoid procedures. He spends much of his time listening to his patients, in the office or hospital, because he believes not only in treating complex conditions, but helping patients return to normal lives as soon as possible. His office staff is fluent in Spanish.

Physician Details

Medical Education
Aristotle University of Thessaloniki Fac of Health Sciences Medical School, 1998
Internships & Residency
Baylor College of Medicine - Graduate Medical Education, 2006
UTHSC-Graduate Medical Education, 2007
Clinical Interests
Colon Cancer, Colon Rectal Surgery
PCP Number
Cities Served
Alvin, Bacliff, Deer Park, Dickinson, Friendswood


ZIP Codes Served
77034, 77058, 77059, 77062, 77075, 77089, 77209


Insurance Accepted

  • Amerigroup Chip
  • Amerigroup Star
  • Amerigroup Star Plus
  • Amerivantage
  • Multiplan



Learn more about Dr. Theodoros Voloyiannis.


Pelvic Floor Muscle Disorder Therapy

In The News

TMC News
Update this profile