


Dr. Theodoros Voloyiannis, MD
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Dr. Theodoros Voloyiannis, MD
Colorectal Surgery
Dr. Theodoros Voloyiannis, MD is a colorectal surgeon in Webster, TX. He is affiliated with medical facilities such as HCA Houston Healthcare Southeast and HCA Houston Healthcare Medical Center. He is accepting new patients and telehealth appointments.
Locations
Texas Oncology Surgical Specialists - Webster
At a Glance
- Areas of Expertise • Dr. Voloyiannis specializes in the areas of Colon & Rectal Surgery & General Surgery. See board certifications
- Explains Conditions Well • Patients said this doctor explains conditions well. See reviews
- Offers Telehealth • This doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital • Gastrointestinal Care Excellence Award™ See hospitals
More Colon & Rectal Surgery Specialists at HCA Houston Healthcare Southeast
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Dr. Voloyiannis' Reviews
Likelihood to recommend Dr. Voloyiannis
4.9
5 Star | 96% | 96% |
4 Star | 0% | 0% |
3 Star | 2% | 2% |
2 Star | 0% | 0% |
1 Star | 2% | 2% |
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Likelihood of recommending Dr. Voloyiannis to family and friends is 4.877551 out of 5
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About Me
care philosophy
To provide excellent care to our patients with benign and malignant conditions of the colon, rectum, and anus.biography
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....read moreColorectal Surgery
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
The University Of Texas Health Science Center At Houston
Fellowship HospitalTx
Fellowship HospitalBaylor College Of Medicine
Residency HospitalTx
Residency HospitalBaylor College Of Medicine
Internship HospitalTx
Internship Hospital
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Affiliated Hospitals
- Recipient of 16
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all awardsGastrointestinal Surgery Excellence Award™ (2025)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
78%Patients said they were given information about recovering at home6% lower than the national average
71%Patients said their room and bathroom were always kept clean4% higher than the national average
- Recipient of 3
hospital awardsGastrointestinal Care Excellence Award™ (2025)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all awardsGastrointestinal Surgery Excellence Award™ (2025)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
80%Patients said that doctors always listened to them and explained things well4% higher than the national average
80%Patients said they were given information about recovering at home4% lower than the national average
- Recipient of 27
hospital awardsAmerica’s 100 Best Hospitals for Gastrointestinal Surgery Award™ (2025, 2024, 2023)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all awardsSurgical Care Excellence Award™ (2025)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
81%Patients said they were given information about recovering at home3% lower than the national average
74%Patients said their room and bathroom were always kept clean7% higher than the national average
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