B Wallis MD PA

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Advanced Gastroenterology
6152 W. Corporate Oaks Drive
Crystal River, FL 34429
  • Phone: (352) 564-3900
  • Fax: (352) 564-3906
Hours: Monday-Friday 9:00 AM-5:00 PM
Specialty: Gastroenterology
Sub Specialty: Internal Medicine
Gender: Male

B. Jeffrey Wallis, MD is Board Certified in Internal Medicine and Gastroenterology, and received his medical degree from the Joan Sanford I Weill Medical College of Cornell University in 1979.

Dr. Wallis specializes in gastroenterology at Oak Hill Hospital, providing diagnostic and therapeutic management of digestive disease and liver disorders with the most advanced diagnostic and treatment methods for colorectal cancer, heartburn and reflux disease, hiatal hernia, swallowing difficulties, irritable bowel, change in bowel habits, constipation, diarrhea, hemorrhoids, ulcers, colitis, diverticulitis, abdominal pain, liver and gallbladder problems and much more.

Dr. Wallis is a practicing gastroenterologist and hepatologist at Advanced Gastroenterology in Crystal River, Florida. He performs procedures including:capsule enteroscopy, colonoscopy, colorectal cancer screening, chron's disease, ERCP, endoscopic ultrasound, esophageal manometry, flexible sigmoidoscopy, gastroscopy, nutritional therapy, and virtual colonoscopy.

Specialty Board Certifications:

American Board of Internal Medicine - Gastroenterology; Internal Medicine

Medical Education & Training:
  • Medical School: Joan Sanford I Weill Medical College of Cornell University
  • Residency: Internal Medicine at UMDNJ-Rutgers in New Brunswick, New Jersey
  • Fellowship: Gastroenterology at Stony Brook in Stony Brook, New York
Accepted Insurance: Medicare, Medicaid, Blue Cross/Blue Shield, Cigna, Aetna, United Healthcare, Avmed, Beechstreet, Coventry, Freedom Health, GHI, Multiplan, Quality Health Plans, Railroad MCR, Tricare For Life, Evolutions, Secure Horizons, Medicare Advantage, Medipass, First Health, Evercare , Universal Healthcare, Medco, Humana, VA, Staywell, Healthease, Optimum, Humana Medicare HMO, United Medicaid/Community Health Plans and Wellcare of Florida.
Languages: English, French, Spanish