- Colon Surgeons & Rectal Surgeons
- TX
- Webster, TX
- Dr. Theodoros Voloyiannis, MD
Dr. Theodoros Voloyiannis, MD
Colorectal Surgery•Male
Colorectal Surgery
Dr. Theodoros Voloyiannis, MD is a Colorectal Surgery Specialist in Webster, TX. He is affiliated with Hca Houston Healthcare Clear Lake, winner of the Gastrointestinal Care Excellence Award and others. He is also affiliated with Memorial Hermann - Texas Medical Center. His office accepts new patients and telehealth appointments.
Dr. Theodoros Voloyiannis, MD
Colorectal Surgery
Office Hours
Tue
Wed
Thu
Fri
Sat
closed
Sun
closed
Mon
Locations
Texas Oncology - Webster
- Call
- Fax
- Hours
- Mon: 8:30am - 5:00pm
- Tue: 8:30am - 5:00pm
- Wed: 8:30am - 5:00pm
- Thu: 8:30am - 5:00pm
- Fri: 8:30am - 5:00pm
- Sat: closed
- Sun: closed
- Directions
Texas Oncology
- Call
- Fax
- Hours
- Mon: 8:00am - 5:00pm
- Tue: 8:00am - 5:00pm
- Wed: 8:00am - 5:00pm
- Thu: 8:00am - 5:00pm
- Fri: 8:00am - 5:00pm
- Sat: closed
- Sun: closed
- Directions
At a Glance
- Explains Conditions Well • Patients said this doctor explains conditions well. See reviews
- Offers Telehealth • This provider offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital • Gastrointestinal Care Excellence Award™ See hospitals
Dr. Voloyiannis' Reviews
Likelihood to recommend Dr. Voloyiannis
4.8
Based on 36 ratings
| 5 Stars | 94.44444444444444% | (34) |
| 4 Stars | 0% | (0) |
| 3 Stars | 2.7777777777777777% | (1) |
| 2 Stars | 0% | (0) |
| 1 Star | 2.7777777777777777% | (1) |
Leave a review
How likely are you to recommendDr. Voloyiannis
Leave a review
How was your experience with Dr. Voloyiannis?Is this your profile?
Respond to reviews, add information, and reach more patients. Claiming is free and only takes a minute.
Claim your profileOverall Patient Satisfaction
Likelihood of recommending Dr. Voloyiannis to family and friends is 4.8333335 out of 5
Experience and Background Checks
Background Check
Dr. Voloyiannis' Top Procedures and Conditions
Treatment Frequency
Dr. Voloyiannis performs Colectomy more than 99% of his peers
Dr. Voloyiannis performs this procedure more than 99% of his peers
Rating Includes other areas of care:
- da Vinci® Colectomy
- Hemicolectomy
- Laparoscopic Colectomy
Treatment Frequency
Dr. Voloyiannis treats Anal and Rectal Cancer more than 99% of his peers
Dr. Voloyiannis treats this condition more than 99% of his peers
Rating Includes other areas of care:
- Anal Cancer
- Rectal Cancer
Treatment Frequency
Dr. Voloyiannis treats Colorectal Cancer more than 97% of his peers
Dr. Voloyiannis treats this condition more than 97% of his peers
Rating Includes other areas of care:
- Distal Colorectal Cancer
- Familial Colorectal Cancer
- Hamartomatous Colorectal Cancer
- MSI-H Colorectal Cancer
- MSI-L Colorectal Cancer
- MSS Colorectal Cancer
- Nonpolyposis Colorectal Cancer, Familial
- Rectal Cancer
- Sporadic Colorectal Cancer
Dr. Voloyiannis' conditions and procedures:
- Abscess or Cyst Drainage or Aspiration
- Abscess or Fluid Incision and Drainage
- Advanced Laparoscopic Surgery
- Anal and Rectal Cancer
- Anal Cancer
- Anal Fissure
- Anal Fistula
- Anal or Rectal Pain
- Anal Prolapse
- Anal Repair
- Anorectal Abscess
- Anoscopy
- Anoscopy With Removal of Anal Tumor
- Appendectomy
- Appendectomy, Laparoscopic
- Appendectomy, Open
- Biofeedback
- Biopsy of Affected Tissue
- Bowel Resection
- Carcinoma in Situ
- Chlamydia Infections
- Colectomy
- Colectomy and Sigmoidectomy With Robotic Assistance
- Colitis
- Colon and Rectal Surgery
- Colon Cancer Screening
- Colon Disorders
- Colon Polyp
- Colonic Volvulus
- Colonoscopy
- Colonoscopy With Polypectomy
- Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
- Colorectal Cancer
- Colorectal Cancer Screening
- Constipation
- Crohn's Disease
- da Vinci® Colectomy
- Destruction of Anal Tumor
- Diseases Contagious from Anal Sex
- Diseases Contagious from Safe Sex
- Distal Colorectal Cancer
- Diverticulitis
- Endometriosis of Colon
- Enterocutaneous Fistula
- Enterostomy (Laparoscopic or Open)
- Excision of Rectal Tumor
- Excisional Biopsy
- Familial Colorectal Cancer
- Familial Polyposis
- Fistula
- Fistulectomy or Fistulotomy, Anal
- Flexible Sigmoidoscopy
- Flexible Sigmoidoscopy With Robotic Assistance
- Genital Warts
- Gonorrhea Infections
- Hamartomatous Colorectal Cancer
- Hemicolectomy
- Hemorrhoidectomy or Excision of Anal Tags
- Hemorrhoids
- Herpes Simplex Infection
- HIV (Human Immunodeficiency Virus)
- Ileal Pouch-Anal Anastomosis
- Incision and Removal of Foreign Object
- Incontinence
- Inflammatory Bowel Disease
- Infrared Coagulation (IRC) Hemorrhoid Removal
- Intestinal Abscess
- Intestinal Biopsy
- Intestinal Diseases
- Intestinal Fistula
- Intestinal Ischemia
- Intestinal Obstruction
- Intussusception
- Laparoscopic Abdominoperineal Resection of the Rectum With Robotic Assistance
- Laparoscopic Colectomy
- Laparoscopic Colon Surgery
- Laparoscopic Excision or Destruction of Ovary With Robotic Assistance
- Laparoscopic Surgical Procedure
- Laparotomy
- Megacolon
- Metastatic Cancer
- Minimally Invasive Surgery
- MSI-H Colorectal Cancer
- MSI-L Colorectal Cancer
- MSS Colorectal Cancer
- Neoplasm of Gastrointestinal Tract
- Neuroendocrine Tumors
- Non-Surgical Treatment of Hemorrhoids
- Open Incisional and-or Ventral Hernia Repair
- Paralytic Ileus
- Pelvic Abscess
- Pelvic Fistula Repair
- Perianal Abscess
- Pericolic Abscess
- Perirectal Abscess
- Pilonidal Cyst
- Proctectomy, Open or Laparoscopic (incl. Swenson and Duhamel Procedures)
- Pruritus Ani
- Rectal Cancer
- Rectal Diseases
- Rectal Prolapse
- Rectal Surgery
- Rectourethral Fistula
- Rectovaginal Fistula
- Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
- Repair of Anal and Rectal Defects (Anoplasty, Repair of Imperforate Anus, Sphincteroplasty, Rectal Graft)
- Retroperitoneal Abscess
- Rigid Sigmoidoscopy
- Screening Colonoscopy
- Secondary Malignancies
- Sexually Transmitted Diseases (STDs)
- Sigmoidoscopy
- Single Incision Laparoscopic Surgery
- Sphincterotomy
- Sporadic Colorectal Cancer
- Therapeutic Colonoscopy
- Ulcerative Colitis
- Ultrasound
- Ultrasound, Transrectal
- Vaginal Fistula
- Vesicocolic Fistula
- Warts
Insurance Check
Search for your insurance provider
Dr. Voloyiannis accepts
Accepted insurance can change. Please double-check when making an appointment.
Dr. Voloyiannis accepts the following insurance:
- Aetna
- Aetna HMO
- Choice Plus POS II
- Ambetter
- Superior Health Plan
- Amerigroup (Wellpoint)
- Anthem
- National (BlueCard) PPO
- Blue Cross Blue Shield
- Blue Card PPO
- Blue Cross Blue Shield of Texas
- Blue Advantage HMO
- Blue Choice
- CareFirst Blue Cross Blue Shield
- HealthyBlue 2.0
- HealthyBlue Advantage
- Cigna
- Cigna HMO
- Cigna PPO
- Great West Healthcare-Cigna PPO
- LocalPlus
- Open Access Plus
- Commercial Insurance Company
- Coventry Health Care
- First Health (Coventry Health Care)
- First Health (Coventry Health Care) PPO
- Golden Rule
- Government Employees Health Association (GEHA)
- GEHA
- HAP Insurance
- Health Alliance
- Humana
- Choice Care PPO
- MHealth Insured
- MultiPlan
- MultiPlan PPO
- PHCS Network PPO
- Principal Life
- UnitedHealthCare
- Choice Plus POS
- Navigate HMO
- Navigate POS
- Options PPO
About Me
Care Philosophy
Biography
Specialties
- Colorectal Surgery
Board Certifications
- Colon & Rectal Surgery
- General Surgery
Education
Languages
- English
- Greek
- Spanish
Awards
- Healthgrades Honor Roll
Frequently Asked Questions
How can I make an appointment with Dr. Theodoros Voloyiannis, MD?
Call (832) 241-9845 to make an appointment as a new patient. Click here for more information.
Does Dr. Theodoros Voloyiannis, MD offer telehealth services?
Dr. Voloyiannis has indicated that they offer telehealth. Contact the office to check for eligibility for your needs.
Is Dr. Theodoros Voloyiannis, MD accepting new patients?
Dr. Theodoros Voloyiannis, MD generally accepts new patients on Healthgrades. You can see Dr. Voloyiannis' profile to make an appointment.
Does Dr. Theodoros Voloyiannis, MD accept my insurance?
Use the Healthgrades insurance check to verify if Dr. Voloyiannis accepts your insurance.
What are Dr. Theodoros Voloyiannis, MD's top areas of care?
Dr. Voloyiannis frequently treats Colectomy, Anal and Rectal Cancer, and Colorectal Cancer. See all procedures and conditions Dr. Voloyiannis treats.
Where is Dr. Theodoros Voloyiannis, MD's office located?
Dr. Voloyiannis' office is located at 400 W Medical Center Blvd Ste 205, Webster, TX 77598. Find other locations and directions on Healthgrades.
What languages does Dr. Theodoros Voloyiannis, MD speak?
Dr. Voloyiannis speaks Spanish, Greek, and English. View profile to see all.
Affiliated Hospitals
Dr. Voloyiannis is affiliated with the following hospitals. Select a hospital below to learn more.
Learn more about how Healthgrades measuresHospital Quality.73% Patients that would definitely recommend, 3% higher than the national average
9 Awards Received
69% Patients that would definitely recommend, 1% lower than the national average
11 Awards Received
Award Highlight: Gastrointestinal Care Excellence Award™ (2022)
72% Patients that would definitely recommend, 2% higher than the national average
1 Award Received
Award Highlight: Patient Safety Excellence Award™ (2022)
77% Patients that would definitely recommend, 7% higher than the national average
14 Awards Received
Award Highlight: Gastrointestinal Surgery Excellence Award™ (2021)
18 Awards Received
Award Highlight: Patient Safety Excellence Award™ (2020)
75% Patients that would definitely recommend, 5% higher than the national average
18 Awards Received
Award Highlight: Patient Safety Excellence Award™ (2020)
Your trust is our top concern.
We strive to keep the reviews trustworthy, honest & fair.
We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.
All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.
Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.
Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.