4.5
56 Ratings with 15 written Reviews
Summary
Dr. Theodoros Voloyiannis is a surgeon who specializes in colorectal surgery with 28 years of experience treating conditions affecting the colon and rectum. He earned his medical degree from Aristotle University of Thessaloniki Medical School and has dedicated his career to helping patients with complex digestive health concerns. Dr. Voloyiannis speaks both English and Spanish, making care accessible to diverse patients in the Houston area.
Dr. Voloyiannis practices at multiple locations throughout the greater Houston region, including Webster, Pearland, Pasadena, and Texas City, with his primary affiliation at Memorial Hermann Southeast Hospital. He focuses on treating common conditions such as colon polyps and hemorrhoids, as well as managing hypertension. His expertise includes performing colonoscopies and other specialized procedures like sigmoidoscopy to diagnose and treat digestive issues. Patients rate Dr. Voloyiannis 4.6 out of 5 stars for his surgical skill and compassionate …care.
Read More Read less Dr. Voloyiannis practices at multiple locations throughout the greater Houston region, including Webster, Pearland, Pasadena, and Texas City, with his primary affiliation at Memorial Hermann Southeast Hospital. He focuses on treating common conditions such as colon polyps and hemorrhoids, as well as managing hypertension. His expertise includes performing colonoscopies and other specialized procedures like sigmoidoscopy to diagnose and treat digestive issues. Patients rate Dr. Voloyiannis 4.6 out of 5 stars for his surgical skill and compassionate …care.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 28 years of experience
- 67 insurance plans accepted
- speaks English, Spanish
- Aristotle University Of Thessaloniki Medical School
- 15 written reviews
- 2 specialties
- 26 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 7 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Theodoros Voloyiannis has 7 locationsDoctors United Surgery Center
5146 Preston AvePasadena, TX 77505 Tel: (346) 203-5600
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Theodoros Voloyiannis, MD | Dr. Blake A. Morrison, MD | Dr. Adrienne Floyd, MD, FACS | Dr. Michael Atkinson Norman, MD, FACS |
| Surgery | Surgery | Surgery | Surgery |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 28 Years of Experience | 28 Years of Experience | 29 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | Speaks English |
| Webster , TX | Webster , TX | Baytown , TX | Houston , TX |
| Med School: Aristotle University Of Thessaloniki Medical School | Med School: The University of Texas Medical Branch | Med School: Temple University School of Medicine | Med School: Emory University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Theodoros Voloyiannis
Medical Specialties
Dr. Theodoros Voloyiannis has the following 2 specialties
Specialty Expertise
Dr. Theodoros Voloyiannis has the following 26 areas of expertise
Certifications, License, & Education
28 Years Experience
Dr. Theodoros Voloyiannis holds an active medical license in the state of Texas.
Medical License
Medical Doctor with an active medical license in the state of Texas that expires in 2026.
Education & Training
Medical School
Graduated from Aristotle University Of Thessaloniki Medical School in 1998.
NPI Number
Dr. Voloyiannis' NPI number is 1891911228.
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Frequently Asked Questions
- How can I make an appointment with Dr. Theodoros Voloyiannis?
- You can find contact information for Dr. Theodoros Voloyiannis here on Vitals.
- Is Dr. Theodoros Voloyiannis accepting new patients?
- Dr. Theodoros Voloyiannis is accepting new patients on Vitals. View Dr. Theodoros Voloyiannis's profile on Vitals to make an appointment.
- Does Dr. Theodoros Voloyiannis accept my insurance?
- You can see the insurance plans that Dr. Theodoros Voloyiannis accepts on their Vitals profile.
- Which hospitals is Dr. Theodoros Voloyiannis affiliated with?
- Dr. Theodoros Voloyiannis is affiliated with Memorial Hermann Southeast Hospital.
- Where is Dr. Theodoros Voloyiannis's office located?
- Dr. Theodoros Voloyiannis's office is located at 333 N Texas Ave Ste 1000, Webster, TX, 77598.
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