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Dr. Hani Zamil MD

Gastroenterologist (GI Doctor)

Memorial Hermann Texas Medical Center
(713) 704-3450


Hani Abdallah Zamil, MD, earned his medical degree in 1996 from the University of Jordan in Amman, Jordan. His postdoctoral training includes an internship, residency and chief residency in internal medicine at Brown Medical School in Providence, Rhode Island in 2002.

Dr. Zamil completed a fellowship in gastroenterology and hepatology, and advanced endoscopy at Harvard Medical School/Beth Israel Deaconess Medical Center in Boston, Massachusetts in 2008.

His past experience includes academic institutions and private practice. He served as an Assistant Professor of Medicine at Brown Medical School and Baylor College of Medicine. He also served as the Assistant Director of the Internal Medicine Residency Program at Memorial Hospital of Rhode Island / Brown Medical School. Most recently, Dr. Zamil earned experience in private practice in the Clear Lake area of Houston. He joined the University of Texas Medical School at Houston as an Assistant Professor of Medicine in 2012 to pursue his passion in academic medicine, research and education.

Specialties and Research

Dr. Zamil’s clinical and research interests are gastrointestinal motility disorders and functional gut disorders. Dr. Zamil will establish a multi-disciplinary center for management and research of gastrointestinal motility disorders in the University of Texas Medical School at Houston.

He is interested in evaluation and management of swallowing disorders, gastroesophageal reflux disease and functional dyspepsia, gastroparesis, intestinal bacterial overgrowth, bowel habits problems like diarrhea and constipation and pelvis floor and incontinence disorders.

Dr. Zamil is experienced in gastrointestinal motility testing. This includes esophageal and anorectal manometry, breath tests, pH testing, gastric emptying, colonic transit time, defecography and gastrointestinal endoscopy and colonoscopy.  Dr. Zamil is very interested in researching the effectiveness of the role of complementary and alternative medicine in functional gut disorders.

Dr. Zamil has extensive experience in endoscopy including endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS) with all its applications to various gastrointestinal diseases. Dr. Zamil is also interested in celiac disease and has extensive experience in celiac and other malabsorption and autoimmune syndromes. Dr. Zamil will establish the only celiac disease center in Houston. The center will provide comprehensive care for celiac disease patients including nutritional guidance. The center will collaborate with other centers around the nation to conduct research and implement the state of the art diagnostic and therapeutic approach to celiac disease management and treatment.

Physician Details

Medical Education
University of Jordan Medical School, 1996
Internships & Residency
University of Jordan Medical School, 1998
Memorial Hospital of Rhode Island, 2002
Framingham Heart Study, 2003
University of Arkansas at Little Rock - Graduate Medical Education, 2006
Beth Israel Deaconess Med Ctr - GME, 2008
PCP Number
Cities Served
ZIP Codes Served
77001, 77002, 77003, 77004, 77005, 77006, 77007


Insurance Accepted

  • AARP Medicare Complete
  • Aetna (Most Benefit Plans)
  • Aetna Medicare
  • Aetna Signature Administrators PPO
  • AHI Healthlink
  • Amerigroup Chip
  • Amerigroup MMP Perinatal*
  • Amerigroup Star
  • Amerigroup Star Plus
  • Amerivantage
  • Beechstreet
  • Blue Cross Blue Shield Texas
  • Blue Exchange PPO
  • Cigna (Most Benefit Plans)
  • Coastal Comp Healthnetworks PPO*
  • Coastal Comp Healthnetworks Work Comp
  • Community Health Choice
  • Community Health Choice Chip
  • Community Health Choice Marketplace Kelsey QHP
  • Community Health Choice Marketplace QHP
  • Community Health Choice Star
  • Corporate Remedies Worker's Comp*
  • Corvel Worker's Comp*
  • Coventry Health Care - PPO Network
  • Coventry Medicare Advantra
  • Evolutions Healthcare Systems - PPO Network*
  • Evolutions Healthcare Systems - Worker's Comp*
  • First Health - PPO Network
  • First Health - Worker's Comp
  • Galaxy Health Network
  • Healthsmart
  • Humana (Most Benefit Plans)
  • Humana Gold Choice PFFS
  • Humana Gold Plus HMO
  • Humana HMOx QHP Exchange
  • Humanachoice PPO Medicare
  • Independant Medical Systems
  • Injury Management Organization Worker's Comp*
  • Interplan Health Group (IHG)*
  • Medicaid Traditional
  • Medicare Traditional
  • Medicus International - PPO Network
  • Memorial Hermann Advantage HMO
  • Memorial Hermann Advantage PPO
  • Memorial Hermann Solutions
  • Multiplan
  • OccuNet PPO - PPO Network
  • Olympus (International) - PPO Network*
  • Political Subdivision Workers Comp Alliance*
  • Private Healthcare System
  • Reny Company Worker's Comp
  • Rockport - PPO Network*
  • Superior CHIP/Perinatal*
  • Superior Foster Care Program
  • Texas True Choice - PPO Network*
  • United Healthcare (Most Benefit Plans)
  • United Healthcare Chip
  • United Healthcare Chronic Complete
  • United Healthcare Dual Complete
  • United Healthcare Medicare Advantage
  • United Healthcare Star
  • United Healthcare Star Plus Perinatal*
  • United Healthcare TXMMP
  • US Family Health Plan
  • USA Managed Care Organization - PPO Network
  • USA Managed Care Organization - Worker's Comp*
  • Wellcare
  • WorkLink Worker's Comp

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