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Dr. Barrett Wallis, MD

Gastroenterology*
2.9 (30)
Map Pin Small Crystal River, FL
Accepting new patients

Offers telehealth

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Overview of Dr. Barrett Wallis, MD

Dr. Barrett Wallis, MD is a Gastroenterology Specialist in Crystal River, FL. They graduated from Weill Cornell Medical College and is affiliated with HCA Florida Oak Hill Hospital and HCA Florida Citrus Hospital. Dr. Wallis, completed a residency at University of Michigan. Patients rated Dr. Wallis an average 2.9 star rating.

Dr. Wallis works at Advanced Gastroenterology in Crystal River, FL. They frequently treat conditions like Hepatitis B and Intestinal Diverticulitis along with other conditions at varying frequencies. They are accepting new patients and accept Cigna as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

Dr. Wallis' Office Locations

  1. 1
    Advanced Gastroenterology
    6152 W Corporate Oaks Dr, Crystal River, FL 34429 Icon Directions Right Arrow Directions
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    Phone Icon (305) 630-8772

Experience & Treatment Frequency

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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:

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HighFrequency
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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.
Hepatitis B
Intestinal Diverticulitis
Diaphragmatic and Hiatal Hernia
Hepatitis B
Intestinal Diverticulitis
Diaphragmatic and Hiatal Hernia

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.
Hepatitis B
Intestinal Diverticulitis
Diaphragmatic and Hiatal Hernia
Abdominal Pain
Alcoholic Cirrhosis
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Constipation
Diarrhea
  • View other providers who treat Diarrhea
Duodenal Ulcer
Duodenitis
Dysphagia
Enteritis
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Esophagitis
Familial Adenomatous Polyposis
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastroptosis
Heartburn
Hemorrhoids
Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Liver Damage from Alcohol
Malnutrition
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Ulcerative Colitis
Vitamin_Deficiency
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Liver Biopsy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Abdominal Disorders
Abscess
  • View other providers who treat Abscess
Acute Gastritis
Alcoholic Fatty Liver
Alcoholic Gastritis
Alcoholic Hepatic Failure
Alcoholic Hepatitis
All Types of Food Poisoning
Anal Prolapse
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
Blood Disorders
Bowel Strangulation
Cancer
  • View other providers who treat Cancer
Celiac Disease
Cholangitis
Cholecystitis and Gallstones
Colorectal Cancer
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Crohn's Disease
Dehydration
Diffuse Esophageal Spasm
Diverticulitis
Diverticulosis
Duodenal Cancer
Dysentery
E. coli Food Poisoning
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Cancer
Esophageal Diseases
Esophageal Diverticulum
Food Allergy
Food Poisoning
Gastrointestinal Diseases
Gastrointestinal Malabsorption
Gastroparesis
Giardiasis
Hemochromatosis
Hepatitis A
Hepatitis B - Immune Response
Hepatitis C
Hepatitis E
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Intestinal Abscess
Ischemic Colitis
Lactose Intolerance
Liver Failure
Mallory-Weiss Syndrome
Megacolon
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Pancreatitis
Peptic Ulcer
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Salmonella Food Poisoning
Splenomegaly
Stomach and Small Intestine Cancer
Stomach Diseases
Stomal Ulcer
Ulcer
  • View other providers who treat Ulcer
Unexplained Weight Loss
Upper Digestive Tract Cancer
Vascular Insufficiency of Intestines
Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B12 Anemia
Anoscopy
  • View other providers who treat Anoscopy
Bile Duct Procedure
Biliary Drainage
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
CT Scan (Computed Tomography)
Electrocardiogram (EKG)
Gallbladder Scan
Gastroenterology Procedures
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 Function Test
Liver Transplant
MRI (Magnetic Resonance Imaging)
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Surgical Biopsy
Ultrasound
VAP Lipid Testing
Wireless pH Testing
X-Ray
  • View other providers who treat X-Ray
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    Insurance Accepted

    • Cigna
    • Midwest Health Plan
    • Staywell (Wellcare)

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews

    2.9
    Average provider rating
    Based on 30 ratings
    Patient Ratings (30)
    5 Star
    (13)
    4 Star
    (1)
    3 Star
    (1)
    2 Star
    (0)
    1 Star
    (15)
    Leave a review

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    Dr. Wallis' Office & Staff

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    Experience with Dr. Wallis

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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 Dr. Barrett Wallis, 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*
    Languages Spoken
    • English
    Languages Spoken
    Gender
    • Male
    Gender
    NPI Number
    • 1740220938
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • State University of New York - Stonybrook
    Fellowship
    Residency
    • University of Michigan
    Residency
    Medical Education
    • Weill Cornell Medical College
    Medical Education
    Board Certifications
    • 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.

    Hospital Affiliations

    • HCA Florida Oak Hill Hospital
    • HCA Florida Citrus Hospital

    Frequently Asked Questions

    Dr. Barrett Wallis, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Wallis is offering online scheduling or call the provider’s office for more information.

    Dr. Wallis has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Wallis works at Advanced Gastroenterology in Crystal River, FL. View the full address on Dr. Wallis’s profile.

    Dr. Wallis has seen patients for Hepatitis B and Intestinal Diverticulitis, and more. You can see other conditions treated by Dr. Wallis on their profile. Please call the provider’s office to confirm all visit reasons.

    30 patients have reviewed Dr. Wallis. The overall rating for this provider is 2.9. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Wallis.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Wallis, there are benefits to both methods. A person calling to schedule an with Dr. Wallis 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.

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