
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Villarreal, Gastroenterologist in Saint Louis, MO?
Dr. Hugo Villarreal, MD is a Gastroenterologist, who primarily practices in Saint Louis, MO with 2 additional practice locations. He is board certified. Dr. Villarreal graduated from University of Monterrey and completed his residency at St Louis Univ Sch Of Med, Gastroenterology; Univ Il Coll Of Med, Internal Medicine. Dr. Villarreal is fluent in English and Spanish, and is currently seeing new patients. Dr. Villarreal’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Villarreal’s office at (314) 822-9733.
Where did Dr. Villarreal go to medical school and complete their residency?
Residency: St Louis Univ Sch Of Med, Gastroenterology; Univ Il Coll Of Med, Internal Medicine | University of Illinois College of Medicine at Chicago Program
Medical School: University De Monterrey- Fac De Med- Monterrey- Nuevo Leon- Mexico | Universidad Autonoma De Nuevo Leon | University of Monterrey
Is Dr. Villarreal board certified as a Gastroenterologist?
Yes, Dr. Hugo Villarreal, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Villarreal speak?
Dr. Villarreal and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Gastroenterologist like Dr. Villarreal typically treat?
As a Gastroenterologist, Dr. Villarreal diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Villarreal. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2930: Chronic superficial gastritis without bleeding
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
What procedures does a Gastroenterologist like Dr. Villarreal typically perform?
As a Gastroenterologist, Dr. Villarreal performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Villarreal. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- EGD with Esophageal Balloon Dilation
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
Also known as:
- ERCP with Gallstone Removal
- ERCP
- Endoscopic Gallstone Removal
- Biliary Duct Stone Removal
- Pancreatic Duct Cleaning
CPT Codes:
- 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)
Also known as:
- ERCP with Sphincterotomy
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
CPT Codes:
- 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
Does Dr. Villarreal accept my insurance?
Dr. Villarreal accepts most major insurance plans. Important: Please call our office at (314) 822-9733 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Villarreal accept in Saint Louis, MO?
Dr. Villarreal in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Michigan
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Health Care Service Corporation
Humana
Medicare
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Villarreal's office located?
Dr. Hugo Villarreal's Primary Practice
13276 Manchester Rd
Saint Louis, MO 63131
(314) 822-9733
What hospitals are Dr. Villarreal affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Villarreal has admitting privileges at the following hospitals:
Missouri Baptist Medical Center,St Louis, MO
Ranked in 3 Specialties

Ranked in 4 Procedures

Ranked in 3 Specialties
Ranked in 4 Procedures
Mercy Hospital St. Louis,St Louis, MO
Ranked in 2 Specialties

Ranked in 6 Procedures

Ranked in 2 Specialties
Ranked in 6 Procedures
Mercy Hospital South,St Louis, MO
Ranked in 3 Specialties

Ranked in 3 Procedures

Ranked in 3 Specialties
Ranked in 3 Procedures