47 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Wallis, Gastroenterologist in Crystal River, FL?
Where did Dr. Wallis go to medical school and complete their residency?
Residency: Rutgers
Is Dr. Wallis board certified as a Gastroenterologist?
Yes, Dr. Barrett Wallis, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Wallis speak?
Dr. Wallis and their clinical team can communicate with patients in the following languages:
- English
- French
- Spanish
What conditions does a Gastroenterologist like Dr. Wallis typically treat?
As a Gastroenterologist, Dr. Wallis 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. Wallis. 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:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Esophagus Inflammation
- Esophagus Disorder
- Esophagitis
- Inflamed Esophagus
- Sore Esophagus
ICD-10 Codes:
- K2080: Other esophagitis without bleeding
What procedures does a Gastroenterologist like Dr. Wallis typically perform?
As a Gastroenterologist, Dr. Wallis 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. Wallis. 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
- Colonoscopy with Polyp Removal
- Colonoscopy with Polyp/Tumor Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy with Biopsy
- Colorectal Polyp Removal
- Hot Biopsy Colonoscopy
- Flexible colonoscopy with ablation
- Colon polyp removal
- Colon tumor destruction
- Therapeutic colonoscopy
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45384: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps
- 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
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:
- Vein Needle or Catheter Insertion
- Venipuncture
- IV Insertion
- Intravenous Access
- Catheter Placement Vein
CPT Codes:
- 36000: Introduction of needle or intracatheter, vein
Does Dr. Wallis accept my insurance?
Dr. Wallis accepts most major insurance plans. Important: Please call our office at (352) 564-3900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Wallis accept in Crystal River, FL?
Dr. Wallis in Crystal River, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Federal government of the United States
Guidewell Mutual Holding Corporation
Humana
Medicare
UnitedHealth Group
View All Insurances
Where is Dr. Wallis' office located?
Dr. Barrett Wallis' Primary Practice
6152 W Corporate Oaks Dr
Crystal River, FL 34429
(352) 564-3900
What hospitals are Dr. Wallis affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Wallis has admitting privileges at the following hospitals:
Ratings & Reviews
5.0
Overall rating
Based on 2 reviews
Attentiveness
100% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
70% of patients were satisfied with the wait time
Diagnosis
100% of patients were satisfied with the doctor's diagnosis and explanation of their condition
Patients give Dr. Barrett Wallis an Excellent overall experience rating of 5 out of 5 stars. Dr. Wallis has been rated and reviewed by 2 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Wallis, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsRecognitions
Memberships & Associations
Citrus County Medical Society
President
What is Dr. Wallis's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Wallis's National Provider Identifier (NPI) number is 1740220938.
What common questions do patients ask about Dr. Wallis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Wallis