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- Gastroenterologists
- TX
- New Braunfels
- Dr. Shannon Marek, MD
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Dr. Shannon Marek, MD
Overview of Dr. Shannon Marek, MD
Dr. Shannon Marek, MD is a Gastroenterology Specialist in New Braunfels, TX. They specialize in Gastroenterology, has 20 years of experience, and is board certified in Gastroenterology. They graduated from University of Texas Health Sciences Center at Houston McGovern Medical School and is affiliated with Resolute Health Hospital, CHRISTUS Santa Rosa Hospital - San Marcos and CHRISTUS Santa Rosa Hospital - New Braunfels. Dr. Marek, completed a residency at University of Alabama at Birmingham. Patients rated Dr. Marek an average 4.6 star rating.
Dr. Marek works at
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Dr. Marek's Office Locations
-
1
TDDC New Braunfels2028 SUNDANCE PKWY, New Braunfels, TX 78130 Directions (512) 754-9676
-
2
Gastroenterology of New Braunfels2028 SUNDANCE PKWY, New Braunfels, TX 78130 Directions (830) 643-8600
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3
Gastroenterology Of San Marcos1305 Wonder World Dr Ste 200, San Marcos, TX 78666 Directions (512) 754-8676
Hospital Affiliations
Admitting Hospitals
Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.
Admitting Hospitals
Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.
Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.
- Resolute Health Hospital
- CHRISTUS Santa Rosa Hospital - San Marcos
- CHRISTUS Santa Rosa Hospital - New Braunfels
Experience & Treatment Frequency
NEW FEATURE
What is treatment frequency?
Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:
Very HighFrequency HighFrequency NormalFrequency May Perform Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.
NEW FEATURE
What is treatment frequency?
Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:
Very HighFrequency
HighFrequency
NormalFrequency
May Perform
Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.
Search for conditions or procedures.
Condition or procedure
Treatment Frequency
Dysphagia
Gastroptosis
Esophageal Motility Disorders
Abdominal Disorders
Abdominal Pain
Alcoholic Cirrhosis
Anal or Rectal Pain
Anemia
Ascites
Autoimmune Diseases
Barrett's Esophagus
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Benign Tumor
Bile Duct Obstruction
Biliary Atresia
Biliary Cirrhosis
Blood Disorders
Cancer
Celiac Disease
Cholecystitis and Gallstones
Chronic Anal Fissure
Chronic Gastritis
Cirrhosis
Colorectal Cancer
Colorectal Polyp
Congenital Anomaly Intestine
Constipation
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Diarrhea
Diffuse Esophageal Spasm
Diverticulitis
Diverticulosis
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Cancer
Esophageal Dilation
Esophageal Diseases
Esophageal Diverticulum
Esophageal Ulcer
Esophageal Varices
Esophagitis
Familial Adenomatous Polyposis
Food Allergy
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Diseases
Gastrointestinal Malabsorption
Gastroparesis
Hemorrhoids
Hepatitis A
Hepatitis C
Hernia
Hiatal Hernia
Ileus
Indigestion
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Abscess
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Fistula
Intestinal Ischemia
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Ischemic Colitis
Limb Swelling Caused by Fluid Overload
Liver Damage
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Malnutrition
Nausea
Neoplasm of Gastrointestinal Tract
Non-Alcoholic Fatty Liver Disease
Non-Neonatal Jaundice
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Peptic Ulcer
Primary Biliary Cholangitis
Pyloric Stenosis
Reflux Esophagitis
Stomach and Small Intestine Cancer
Stomach Cancer
Stomach Diseases
Ulcer
Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Vascular Insufficiency of Intestines
Viral Enteritis
Viral Hepatitis
Vitamin_Deficiency
Vomiting Disorders
Bile Duct Procedure
Colon Cancer Screening
Colonoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Colorectal Cancer Screening
Duodenal Polypectomy
Endoscopic Mucosal Resection
Endoscopy
Endoscopy (Esophagus, Stomach, Small Intestine)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
ERCP With Spincterotomy
Esophageal Stenting
Flexible Sigmoidoscopy
Gallbladder Scan
Gastroenterology Procedures
Hemorrhoid Removal
Hemorrhoid Treatment
Hemorrhoidectomy or Excision of Anal Tags
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Laparoscopic Removal of Stones from Biliary Tract
Liver Biopsy
Liver Function Test
Manometry
Percutaneous Edoscopic Gastrostomy (PEG)
pH Probe
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Screening Colonoscopy
VAP Lipid Testing
Wireless pH Testing
Dysphagia
Gastroptosis
Esophageal Motility Disorders
Dysphagia
Gastroptosis
Esophageal Motility Disorders
Treatment frequency
Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Dysphagia
- View other providers who treat Dysphagia
Gastroptosis
- View other providers who treat Gastroptosis
Esophageal Motility Disorders
- View other providers who treat Esophageal Motility Disorders
Chronic Gastritis
- View other providers who treat Chronic Gastritis
Diarrhea
- View other providers who treat Diarrhea
Gas-Bloat Syndrome
- View other providers who treat Gas-Bloat Syndrome
Gastritis
- View other providers who treat Gastritis
Gastroesophageal Reflux Disease (GERD)
- View other providers who treat Gastroesophageal Reflux Disease (GERD)
Endoscopy (Esophagus, Stomach, Small Intestine)
- View other providers who treat Endoscopy (Esophagus, Stomach, Small Intestine)
Abdominal Pain
- View other providers who treat Abdominal Pain
Anal or Rectal Pain
- View other providers who treat Anal or Rectal Pain
Anemia
- View other providers who treat Anemia
Barrett's Esophagus
- View other providers who treat Barrett's Esophagus
Celiac Disease
- View other providers who treat Celiac Disease
Cirrhosis
- View other providers who treat Cirrhosis
Colorectal Polyp
- View other providers who treat Colorectal Polyp
Constipation
- View other providers who treat Constipation
Crohn's Disease
- View other providers who treat Crohn's Disease
Diaphragmatic and Hiatal Hernia
- View other providers who treat Diaphragmatic and Hiatal Hernia
Duodenal Cancer
- View other providers who treat Duodenal Cancer
Duodenitis
- View other providers who treat Duodenitis
Esophageal Achalasia and Cardiospasm
- View other providers who treat Esophageal Achalasia and Cardiospasm
Esophageal Varices
- View other providers who treat Esophageal Varices
Esophagitis
- View other providers who treat Esophagitis
Gastric Ulcer
- View other providers who treat Gastric Ulcer
Gastrointestinal Bleeding
- View other providers who treat Gastrointestinal Bleeding
Gastrointestinal Malabsorption
- View other providers who treat Gastrointestinal Malabsorption
Gastroparesis
- View other providers who treat Gastroparesis
Hemorrhoids
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Inflammatory Bowel Disease
- View other providers who treat Inflammatory Bowel Disease
Intestinal Diverticulosis
- View other providers who treat Intestinal Diverticulosis
Intestinal Ulcer
- View other providers who treat Intestinal Ulcer
Liver Damage
- View other providers who treat Liver Damage
Nausea
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Non-Alcoholic Fatty Liver Disease
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Noninfectious Gastroenteritis and Colitis
- View other providers who treat Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
- View other providers who treat Reflux Esophagitis
Ulcerative Colitis
- View other providers who treat Ulcerative Colitis
Upper Digestive Tract Cancer
- View other providers who treat Upper Digestive Tract Cancer
Vomiting Disorders
- View other providers who treat Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
- View other providers who treat Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
- View other providers who treat Duodenal Polypectomy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
- View other providers who treat ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
- View other providers who treat Flexible Sigmoidoscopy
Hemorrhoidectomy or Excision of Anal Tags
- View other providers who treat Hemorrhoidectomy or Excision of Anal Tags
Manometry
- View other providers who treat Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
- View other providers who treat Rigid Proctosigmoidoscopy
Abdominal Disorders
- View other providers who treat Abdominal Disorders
Alcoholic Cirrhosis
- View other providers who treat Alcoholic Cirrhosis
Ascites
- View other providers who treat Ascites
Autoimmune Diseases
- View other providers who treat Autoimmune Diseases
Barretts Esophagus with Dysplasia
- View other providers who treat Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
- View other providers who treat Benign Neoplasm of the Digestive System
Benign Tumor
- View other providers who treat Benign Tumor
Bile Duct Obstruction
- View other providers who treat Bile Duct Obstruction
Biliary Atresia
- View other providers who treat Biliary Atresia
Biliary Cirrhosis
- View other providers who treat Biliary Cirrhosis
Blood Disorders
- View other providers who treat Blood Disorders
Cancer
- View other providers who treat Cancer
Cholecystitis and Gallstones
- View other providers who treat Cholecystitis and Gallstones
Chronic Anal Fissure
- View other providers who treat Chronic Anal Fissure
Colorectal Cancer
- View other providers who treat Colorectal Cancer
Congenital Anomaly Intestine
- View other providers who treat Congenital Anomaly Intestine
Dehydration
- View other providers who treat Dehydration
Diffuse Esophageal Spasm
- View other providers who treat Diffuse Esophageal Spasm
Diverticulitis
- View other providers who treat Diverticulitis
Diverticulosis
- View other providers who treat Diverticulosis
Duodenal Ulcer
- View other providers who treat Duodenal Ulcer
Dysentery
- View other providers who treat Dysentery
Enteritis
- View other providers who treat Enteritis
Eosinophilic Esophagitis
- View other providers who treat Eosinophilic Esophagitis
Esophageal Cancer
- View other providers who treat Esophageal Cancer
Esophageal Dilation
- View other providers who treat Esophageal Dilation
Esophageal Diseases
- View other providers who treat Esophageal Diseases
Esophageal Diverticulum
- View other providers who treat Esophageal Diverticulum
Esophageal Ulcer
- View other providers who treat Esophageal Ulcer
Familial Adenomatous Polyposis
- View other providers who treat Familial Adenomatous Polyposis
Food Allergy
- View other providers who treat Food Allergy
Gallstones
- View other providers who treat Gallstones
Gastrointestinal Diseases
- View other providers who treat Gastrointestinal Diseases
Hepatitis A
- View other providers who treat Hepatitis A
Hepatitis C
- View other providers who treat Hepatitis C
Hernia
- View other providers who treat Hernia
Hiatal Hernia
- View other providers who treat Hiatal Hernia
Ileus
- View other providers who treat Ileus
Indigestion
- View other providers who treat Indigestion
Infectious Diarrheal Disease
- View other providers who treat Infectious Diarrheal Disease
Intestinal Abscess
- View other providers who treat Intestinal Abscess
Intestinal Diverticulitis
- View other providers who treat Intestinal Diverticulitis
Intestinal Fistula
- View other providers who treat Intestinal Fistula
Intestinal Ischemia
- View other providers who treat Intestinal Ischemia
Intestinal Obstruction
- View other providers who treat Intestinal Obstruction
Irritable Bowel Syndrome
- View other providers who treat Irritable Bowel Syndrome
Ischemic Colitis
- View other providers who treat Ischemic Colitis
Limb Swelling Caused by Fluid Overload
- View other providers who treat Limb Swelling Caused by Fluid Overload
Liver Damage from Alcohol
- View other providers who treat Liver Damage from Alcohol
Mallory-Weiss Syndrome
- View other providers who treat Mallory-Weiss Syndrome
Malnutrition
- View other providers who treat Malnutrition
Neoplasm of Gastrointestinal Tract
- View other providers who treat Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
- View other providers who treat Non-Neonatal Jaundice
Pancreatitis
- View other providers who treat Pancreatitis
Peptic Ulcer
- View other providers who treat Peptic Ulcer
Primary Biliary Cholangitis
- View other providers who treat Primary Biliary Cholangitis
Pyloric Stenosis
- View other providers who treat Pyloric Stenosis
Stomach and Small Intestine Cancer
- View other providers who treat Stomach and Small Intestine Cancer
Stomach Cancer
- View other providers who treat Stomach Cancer
Stomach Diseases
- View other providers who treat Stomach Diseases
Ulcer
- View other providers who treat Ulcer
Unexplained Weight Loss
- View other providers who treat Unexplained Weight Loss
Vascular Insufficiency of Intestines
- View other providers who treat Vascular Insufficiency of Intestines
Viral Enteritis
- View other providers who treat Viral Enteritis
Viral Hepatitis
- View other providers who treat Viral Hepatitis
Vitamin_Deficiency
- View other providers who treat Vitamin_Deficiency
Bile Duct Procedure
- View other providers who treat Bile Duct Procedure
Colon Cancer Screening
- View other providers who treat Colon Cancer Screening
Colonoscopy
- View other providers who treat Colonoscopy
Colorectal Cancer Screening
- View other providers who treat Colorectal Cancer Screening
Endoscopic Mucosal Resection
- View other providers who treat Endoscopic Mucosal Resection
Endoscopy
- View other providers who treat Endoscopy
ERCP With Spincterotomy
- View other providers who treat ERCP With Spincterotomy
Esophageal Stenting
- View other providers who treat Esophageal Stenting
Gallbladder Scan
- View other providers who treat Gallbladder Scan
Gastroenterology Procedures
- View other providers who treat Gastroenterology Procedures
Hemorrhoid Removal
- View other providers who treat Hemorrhoid Removal
Hemorrhoid Treatment
- View other providers who treat Hemorrhoid Treatment
Hepatitis A Screening
- View other providers who treat Hepatitis A Screening
Hepatitis B Virus Screening
- View other providers who treat Hepatitis B Virus Screening
Hepatitis C Virus Screening
- View other providers who treat Hepatitis C Virus Screening
Hepatitis Screening
- View other providers who treat Hepatitis Screening
Impedance Testing
- View other providers who treat Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
- View other providers who treat Instrumental Diagnostic Evaluation for Dysphagia
Laparoscopic Removal of Stones from Biliary Tract
- View other providers who treat Laparoscopic Removal of Stones from Biliary Tract
Liver Biopsy
- View other providers who treat Liver Biopsy
Liver Function Test
- View other providers who treat Liver Function Test
Percutaneous Edoscopic Gastrostomy (PEG)
- View other providers who treat Percutaneous Edoscopic Gastrostomy (PEG)
pH Probe
- View other providers who treat pH Probe
Screening Colonoscopy
- View other providers who treat Screening Colonoscopy
VAP Lipid Testing
- View other providers who treat VAP Lipid Testing
Wireless pH Testing
- View other providers who treat Wireless pH Testing
Check your insurance
Please double-check when making an appointment.
View All Accepted Carriers
- Aetna
- American Republic
- Amerigroup (Wellpoint)
- Anthem
- Assurant Health
- Blue Cross and Blue Shield of Texas
- Blue Cross Blue Shield
- CareFirst Blue Cross Blue Shield
- Cigna
- Commercial Insurance Company
- CoreSource
- First Health
- Government Employees Health Association (GEHA)
- Group Health Cooperative (GHC)
- Health Net
- Healthfirst
- HealthSmart
- Humana
- Mail Handlers Benefit Plan (MHBP)
- Meritain Health
- MultiPlan
- Tricare
- UnitedHealthCare
* Please verify this information when scheduling an appointment.
Ratings & Reviews
Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.
Learn more about how FindCare's ratings and reviews work
Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.
Learn more about how FindCare's ratings and reviews work
Learn more about how FindCare's ratings and reviews work
4.6
Average provider rating
Based on 100 ratings
Patient Ratings (100)
5 Star
(88)
4 Star
(1)
3 Star
(0)
2 Star
(0)
1 Star
(11)
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About Dr. Shannon Marek, MD
Specialties*
- Gastroenterology
-
*Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Specialties*
Years of Experience
- 20 years of experience
Years of Experience
Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
Languages Spoken
- English, Spanish
Languages Spoken
NPI Number
- 1528282050
NPI Number
A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.
Education & Certifications
Fellowship
- Augusta University Medical College of Georgia
Fellowship
Residency
- University of Alabama at Birmingham
Residency
Internship
- University of Alabama at Birmingham
Internship
Medical Education
- University of Texas Health Sciences Center at Houston McGovern Medical School
Medical Education
Undergraduate School
- Baylor University
Undergraduate School
Board Certifications
- Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?
A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Frequently Asked Questions
Dr. Marek accepts Aetna, Anthem and Blue Cross Blue Shield, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.
Dr. Marek has indicated that they do offer telehealth services. Please call the provider’s office at for more information.
Dr. Marek works at
Dr. Marek has seen patients for Dysphagia, Gastroptosis and Esophageal Motility Disorders, and more. You can see other conditions treated by Dr. Marek on their profile. Please call the provider’s office to confirm all visit reasons.
Dr. Marek speaks Spanish.
100 patients have reviewed Dr. Marek. The overall rating for this provider is 4.6. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Marek.
Whether a person prefers to schedule an appointment online or over the phone with Dr. Marek, there are benefits to both methods. A person calling to schedule an with Dr. Marek appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.
