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Dr. Shannon Marek, MD

Gastroenterology* Age 46
Dr. Shannon Marek, MD
4.5 (101 Ratings)
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Dr. Shannon Marek, MD is a Gastroenterologist in New Braunfels, TX.
Dr. Shannon Marek, MD
4.5 (101 Ratings)
 Share
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Link Copied!
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Dr. Shannon Marek, MD

Gastroenterology* Age 46
New Braunfels, TX
Accepting new patients
Dr. Shannon Marek, MD is a Gastroenterologist in New Braunfels, TX.

About

Dr. Marek graduated from University of Texas Health Sciences Center at Houston McGovern Medical School and completed a residency at University of Alabama at Birmingham. Dr. Shannon Marek, MD is a Gastroenterologist in New Braunfels, TX. Dr. Marek currently practices at Texas Digestive Disease Consultants and are affiliated with CHRISTUS Santa Rosa Medical Center, CHRISTUS Santa Rosa Hospital-San Marcos, CHRISTUS Santa Rosa Hospital-New Braunfels and Resolute Health Hospital. Dr. Marek has experience treating conditions like Dysphagia, Esophageal Motility Disorders and Gastroptosis among other conditions at varying frequencies. At present, Dr. Marek received an average rating of 4.5/5 from patients and has been reviewed 101 times. Dr. Marek's office accepts new patients. Dr. Marek also speaks Spanish. Dr. Marek is board certified in Gastroenterology and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Dysphagia
Esophageal Motility Disorders
Gastroptosis
Dysphagia
Esophageal Motility Disorders
Gastroptosis
Dysphagia
Esophageal Motility Disorders
Gastroptosis
Abdominal Pain
Chronic Gastritis
Diarrhea
  • View other providers who treat Diarrhea
Gastritis
Gastroesophageal Reflux Disease (GERD)
Intestinal Diverticulitis
Intestinal Diverticulosis
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Alcoholic Cirrhosis
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Celiac Disease
Chronic Anal Fissure
Cirrhosis
Colorectal Polyp
Constipation
Crohn's Disease
Diaphragmatic and Hiatal Hernia
Diffuse Esophageal Spasm
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Ulcer
Esophageal Varices
Esophagitis
Familial Adenomatous Polyposis
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroparesis
Hemorrhoids
Hepatitis C
Inflammatory Bowel Disease
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Liver Damage from Alcohol
Nausea
  • View other providers who treat Nausea
Neoplasm of Gastrointestinal Tract
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Vomiting Disorders
Flexible Sigmoidoscopy
Hemorrhoidectomy or Excision of Anal Tags
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Abdominal Disorders
Acute Gastritis
Alcoholic Fatty Liver
Alcoholic Hepatitis
Ascites
  • View other providers who treat Ascites
Autoimmune Diseases
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Benign Tumor
Bile Duct Obstruction
Biliary Atresia
Biliary Cirrhosis
Blood Disorders
Bowel Strangulation
Cancer
  • View other providers who treat Cancer
Cholangitis
Cholecystitis and Gallstones
Colorectal Cancer
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Dehydration
Diverticulitis
Diverticulosis
Dysentery
Eosinophilic Gastritis
Esophageal Cancer
Esophageal Dilation
Esophageal Diseases
Esophageal Diverticulum
Food Allergy
Gastrointestinal Diseases
Heartburn
Hemochromatosis
Hepatitis A
Hepatitis B
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Intestinal Abscess
Intestinal Fistula
Intestinal Ischemia
Ischemic Colitis
Lactose Intolerance
Limb Swelling Caused by Fluid Overload
Liver Abscess
Liver Damage
Mallory-Weiss Syndrome
Malnutrition
Non-Neonatal Jaundice
Pancreatitis
Pelvic Abscess
Peptic Ulcer
Pouchitis
Primary Biliary Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Sclerosing Mesenteritis
Stomach and Small Intestine Cancer
Stomach Cancer
Stomach Diseases
Stomach Stenosis
Ulcer
  • View other providers who treat Ulcer
Vascular Insufficiency of Intestines
Viral Enteritis
Viral Hepatitis
Vitamin_Deficiency
Bile Duct Procedure
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
Endoscopic Mucosal Resection
Endoscopy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
ERCP With Spincterotomy
Esophageal Stenting
Gallbladder Scan
Gastroenterology Procedures
Hemorrhoid Removal
Hemorrhoid Treatment
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
Percutaneous Edoscopic Gastrostomy (PEG)
pH Probe
  • View other providers who treat pH Probe
Proctosigmoidoscopy
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Cigna PPO
    Cigna
    Open Access Plus
    Great West Healthcare-Cigna PPO
    LocalPlus
  • Blue Cross Blue Shield of Texas
  • HealthFirst
  • Amerigroup (Wellpoint)
  • HealthSmart
  • First Health (Coventry Health Care) PPO
    First Health (Coventry Health Care)
  • GEHA
  • Choice Care PPO
    Humana
    Preferred PPO
  • HealthyBlue Advantage
    HealthyBlue 2.0
  • Assurant Health
  • PHCS Network PPO
    MultiPlan PPO
  • Tricare
  • National (BlueCard) PPO
  • United Healthcare
    Navigate HMO
    Options PPO
    Choice Plus POS
    Navigate POS
  • Curative PPO Plus
    Curative EPO
    Curative PPO
  • Blue Advantage HMO
    Blue Cross Blue Shield
    Blue Choice
    Blue Card PPO
    Blue Cross and Blue Shield
  • Meritain Health
  • Mail Handlers Benefit Plan (MHBP)
  • Aetna
    Choice Plus POS II
  • American Republic
  • Group Health Cooperative

Locations

  1. 1 TDDC New Braunfels
    2028 Sundance Pkwy, New Braunfels, TX 78130
    Icon Directions Right Arrow Directions Phone Icon (512) 754-9676
  2. 2 Gastroenterology of New Braunfels
    2028 Sundance Pkwy, New Braunfels, TX 78130
    Icon Directions Right Arrow Directions Phone Icon (830) 643-8600
  3. 3 Gastroenterology of San Marcos
    1305 Wonder World Dr Ste 200, San Marcos, TX 78666
    Icon Directions Right Arrow Directions Phone Icon (512) 754-8676

Patient Satisfaction

Likelihood to recommend Dr. Marek
4.5
Based on 101 Reviews
5 Stars (88)
4 Stars (1)
3 Stars (0)
2 Stars (0)
1 Star (12)

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Patient Reviews
Apr 08, 2023
Great doctor, trust him 100%.
Wendell Payton — Apr 08, 2023
See more reviews on Healthgrades
Photo: Dr. Shannon Marek, MD
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Dr. Marek's Office & Staff

  • Ease of scheduling urgent appointments
  • Office environment, cleanliness, comfort, etc.
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Marek

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Languages Spoken
Spanish
Languages Spoken
Specialties*
Gastroenterology
Internal Medicine
Hepatology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • University of Texas Health Sciences Center at Houston McGovern Medical School
Medical Education

Board Certifications

Board Certifications
  • Gastroenterology, Gastroenterology and Internal Medicine
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.

Internship

Internship
  • University of Alabama at Birmingham
Internship

Residency

Residency Hospital
  • University of Alabama at Birmingham
Residency Hospital

Fellowship

Fellowship Hospital
  • Augusta University Medical College of Georgia
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Marek communicate via email?
2 users said yes.
Yes
(2)
No
(1)
Does Dr. Marek offer telehealth services or virtual visits?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Marek offer an online patient portal?
5 users said yes.
Yes
(5)
No
(0)
Does Dr. Marek have free onsite parking?
5 users said yes.
Yes
(5)
No
(0)
Does Dr. Marek offer weekend visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Marek offer evening visits?
1 user said yes.
Yes
(1)
No
(2)
Does Dr. Marek specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Marek specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Marek specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Marek specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Marek accept insurance?
No responses yet.
Yes
(0)
No
(0)

Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Shannon Marek, MD. To arrange an appointment, call the number on Dr. Marek's profile.

Dr. Marek frequently treats the following conditions: Dysphagia, Esophageal Motility Disorders and Gastroptosis. See more on Sharecare.

Dr. Shannon Marek, MD is affiliated with CHRISTUS Santa Rosa Medical Center, CHRISTUS Santa Rosa Hospital-San Marcos, CHRISTUS Santa Rosa Hospital-New Braunfels and Resolute Health Hospital.

Yes, Dr. Shannon Marek, MD holds board certification in Gastroenterology, Gastroenterology and Internal Medicine.

Hospital Affiliations

  • CHRISTUS Santa Rosa Medical Center

    2827 Babcock Rd, San Antonio, TX

  • CHRISTUS Santa Rosa Hospital-San Marcos

    1301 Wonder World Dr, San Marcos, TX

  • CHRISTUS Santa Rosa Hospital-New Braunfels

    600 N Union Ave, New Braunfels, TX

  • Resolute Health Hospital

    555 Creekside Xing, New Braunfels, TX