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Dr. Barrett Wallis, MD

Gastroenterology* Age 68
Dr. Barrett Wallis, MD
2.9 (30 Ratings)

Offers telehealth

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Dr. Barrett Wallis, MD is a Gastroenterology Specialist in Crystal River, FL.
Dr. Barrett Wallis, MD
2.9 (30 Ratings)
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Dr. Barrett Wallis, MD

Gastroenterology* Age 68
Crystal River, FL
Accepting new patients

Offers telehealth

Dr. Barrett Wallis, MD is a Gastroenterology Specialist in Crystal River, FL.

About

Dr. Barrett Wallis, MD is a Gastroenterology Specialist in Crystal River, FL. They graduated from Weill Cornell Medical College and completed a residency at University of Michigan. They currently practice at Advanced Gastroenterology and are affiliated with HCA Florida Oak Hill Hospital and HCA Florida Citrus Hospital. Dr. Wallis has experience treating conditions like Hepatitis B and Intestinal Diverticulitis among other conditions at varying frequencies. At present, Dr. Wallis received an average rating of 2.9/5 from patients and has been reviewed 30 times. Their office accepts new patients and telehealth appointments. Dr. Wallis is board certified in Gastroenterology and Internal Medicine.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Experience Check

Enter a condition or procedure
Hepatitis B
Intestinal Diverticulitis
Diaphragmatic and Hiatal Hernia
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

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Cigna HMO
  • Medicaid
  • Medicaid

Locations

  1. 1 Advanced Gastroenterology
    6152 W Corporate Oaks Dr, Crystal River, FL 34429

Patient Satisfaction

Likelihood to recommend Dr. Wallis
2.9
Based on 30 Reviews
5 Stars (13)
4 Stars (1)
3 Stars (1)
2 Stars (0)
1 Star (15)

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How likely are you to recommend Dr. Wallis?

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Patient Reviews
Jun 21, 2022
He is an outstanding physician. He is highly knowledgeable, skilled and genuinely cares about his patients. I would highly recommend him to my family and friends.
Barbara Pettegrew — Jun 21, 2022
See more reviews on Healthgrades
Photo: Dr. Barrett Wallis, MD
How would you rate your experience with Dr. Barrett Wallis, MD?
  • Likelihood of recommending Dr. Wallis to family and friends

Dr. Wallis' 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. Wallis

  • Level of trust in provider's decisions
  • 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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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Wallis, or would you like to choose another provider and have an online appointment right now?
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Call now to make an appointment
(352) 564-3900

About Me

Care Philosophy
  • There is no better mantra than the poem of Emma Lazarus on the Statue of Liberty:

    'Give me your tired, your poor, Your huddled masses yearning to breathe free, The wretched refuse of your teeming shore. Send these, the homeless, tempest-tossed to me, I lift my lamp beside the golden door!'

    So, admittedly, GI care is a little bit more complicated than poetry, but the sentiment above, when injected into a medical practice accounts for the extraordinary commitment that the doctor and staff make and rely on each and every day.

    The feedback that we get tells us that our patients appreciate our intentions and help us realize success with each effort. Thank you, Healthgrades, for your assistance in hearing what our patients don't always tell us.

    And yes, we do provide well over $1 million each year in free or otherwise negotiated services each year.

Care Philosophy
Biography
  • Dr. Barrett Wallis, MD is a gastroenterology specialist in Crystal River, FL. He specializes in Gastroenterology.
Biography
Specialties*
Gastroenterology
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
  • Weill Cornell Medical College
Medical Education

Board Certifications

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.

Residency

Residency Hospital
  • University of Michigan
Residency Hospital

Fellowship

Fellowship Hospital
  • State University of New York - Stonybrook
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Wallis communicate via email?
1 user said yes.
Yes
(1)
No
(4)
Does Dr. Wallis offer telehealth services or virtual visits?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Wallis offer an online patient portal?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Wallis have free onsite parking?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Wallis offer weekend visits?
No users said yes.
Yes
(0)
No
(3)
Does Dr. Wallis offer evening visits?
No users said yes.
Yes
(0)
No
(1)
Does Dr. Wallis specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Wallis specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Wallis specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Wallis specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Wallis 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. Barrett Wallis, MD. To arrange an appointment, call the number on Dr. Wallis' profile.

Dr. Wallis frequently treats the following conditions: Hepatitis B and Intestinal Diverticulitis. See more on Sharecare.

Dr. Barrett Wallis, MD is affiliated with HCA Florida Oak Hill Hospital and HCA Florida Citrus Hospital.

Yes, Dr. Barrett Wallis, MD holds board certification in Gastroenterology and Internal Medicine.

Hospital Affiliations

  • HCA Florida Oak Hill Hospital

    11375 Cortez Blvd, Brooksville, FL

  • HCA Florida Citrus Hospital

    502 W Highland Blvd, Inverness, FL