Dr. Thao Marquez, MD

Colon & Rectal Surgery  |  
Female  |  
Age 41
(9)
Insurances AcceptedSave
Dr. Thao Marquez, MD
Dr. Thao Marquez, MD is a colon & rectal surgery doctor who practices in Saint Louis, MO. She is 41 years old and has been practicing for 13 years. Dr. Marquez is affiliated with Mercy Hospital St. Louis.

621 S New Ballas Rd Ste 7011B

Saint Louis, MO 63141

Contact Information

(314) 251-6840

Dr. Thao Marquez, MD

Dr. Thao Marquez, MD

Accepted insurance

  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • HealthLink
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Marquez

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Marquez performs your care needs compared to other doctors.

Colectomy
very high
more than 93% of peers
Excision of Rectal Tumor
high
more than 84% of peers
Colon and Rectal Surgery
high
more than 83% of peers

Dr. Marquez's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

We're trying something new with Top Care Areas.Was it helpful for you?YesNo

2

Specialties

  • Colon & Rectal Surgery
  • General Surgery
2

Board Certifications

  • Colon & Rectal Surgery
    Accredited by: American Board of Colon & Rectal Surgery*
  • General Surgery
    Accredited by: American Board of Surgery*
21

Conditions Treated

  • Abdominal Disorders
  • Abscess
  • Anal Disorders
  • Anal Fissure
  • Anal Fistula
  • Anal and Rectal Cancer
  • Anal or Rectal Pain
  • Anorectal Abscess
  • Appendicitis
  • Cancer
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Gastrointestinal Diseases
  • Hemorrhoids
  • Inflammatory Bowel Disease
  • Intestinal Abscess
  • Intestinal Obstruction
  • Secondary Malignancies
  • Ulcer
  • Ulcerative Colitis
25

Procedures

  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Appendectomy, Laparoscopic
  • Colectomy
  • Colectomy and Sigmoidectomy With Robotic Assistance
  • Colon and Rectal Surgery
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
  • Enterostomy (Laparoscopic or Open)
  • Excision of Rectal Tumor
  • Fistulectomy or Fistulotomy, Anal
  • Gastroenterology Procedures
  • Hemorrhoidectomy or Excision of Anal Tags
  • Hernia Repair
  • Incision and Removal of Foreign Object
  • Intestinal Transplant (incl. Enterectomy)
  • Laparoscopic Abdominoperineal Resection of the Rectum With Robotic Assistance
  • Laparoscopic Sigmoidectomy With Robotic Assistance
  • Laparoscopic Surgical Procedure
  • Laparotomy
  • Open Incisional and-or Ventral Hernia Repair
  • Proctectomy, Open or Laparoscopic (incl. Swenson and Duhamel Procedures)
  • 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)
  • Transendoscopic Stent Placement

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Missouri.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • University Of Mn Med Sch
    Medical School | Graduated 2004
  • University Of Minnesota Medical Center Fairview
    Residency Hospital | Completed
  • Barnes-Jewish Hospital
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Marquez has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Marquez does not have any memberships or affiliations listed. If you are Dr. Marquez and would like to add memberships or affiliations, please update your profile.

Dr. Marquez's Reviews

Likelihood of recommending Dr. Marquez to family and friends
4.6
based on 9 total reviews (3 with comments)
Dr. Marquez's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    EXCELLENT
  • Staff friendliness
    EXCELLENT
  • Average wait time
    10 to 15 minutes
Patient Comments (3)
Ma |
Dr. Marquez diagnosed me with stage two colon cancer. She performed my surgery with a follow up with chemo therapy for six months. I was in the hospital Christmas and all through the New Year. She brought her family up to the hospital to meet and visit with me. I would have to admit she was one of the best doctors I have ever had. What a great spirit and bedside manners. I'd give her many stars and I would definitely recommend her to everyone. Thank you very much Dr. Marquez. DP
in Barnhart, Mo |
Dr. Marquez was wonderful with my son. He had never had any kind of surgery, but because of her excellent bedside manner & calm demeanor, he was not nervous at all. She did an excellent job with the wound & it has healed without any complications.
in Imperial, MO |
Highly Recommended!!! Definitely, without a doubt, the best dr/surgeon I've ever had in the 14 yrs that I've had Crohn's Disease. Very sympathetic and heart warming, which unfortunately is hard to find today when dealing with doctors. Nothing less than an A++++++
Have you seen Dr. Thao Marquez, MD?
Are you Dr. Marquez?
Make it easy for patients to share their feedback. Also manage your personalized profile!

Visit Dr. Marquez

Now Accepting New Patients
Dr. Marquez accepts 6 insurance carriers
  • Anthem Blue Cross Blue Shield
    Anthem Blue Cross Blue Shield HMO
    Anthem Blue Cross Blue Shield PPO
    Blue Preferred Plus POS
  • Blue Cross Blue Shield
    Blue Card PPO
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • HealthLink
    HealthLink PPO
  • Humana
    Choice Care PPO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Marquez has admitting privileges

Mercy Hospital St. Louis
615 S New Ballas Rd
Saint Louis, MO 63141
View Hospital Profile

View other doctors with similar experience to find the right doctor for you.

Gastroenterology
(80)
Colon & Rectal Surgery
(20)
Proctology
(14)
Colon & Rectal Surgery
(19)
Colon & Rectal Surgery
(13)
Colon & Rectal Surgery
(9)
Colon & Rectal Surgery
(30)
Colon & Rectal Surgery
(18)
Colon & Rectal Surgery
(15)
Colon & Rectal Surgery
(13)