GI Faculty Accolades & Publications

Faculty Accolades 2008-Present:


Congratulations to William M. Tierney, M.D. who was the recipient of two honors at the Academy of Scholars reception, held on September 23, 2015 at the Samis Education Center Rooftop Garden, in celebration of the new inductees and recipients of the Dewayne Andrews, MD Excellence in Teaching Awards.  Dr. Tierney will be honored both as a new inductee of the Academy of Scholars as well as the recipient of the 2015 Teaching Award.

Congratulations to Salman Nusrat, M.D. who has had 1 of his 7 abstracts that were accepted for poster presentations, chosen as one of the most "newsworthy" for being either a novel or significant finding with an impact on GI patient care or public health at the American College of Gastroenterology (ACG) Annual Meeting, October 16-21, held in Hawaii.  He has been asked to do a video interview as well for his abstract entitled, Inpatient Burden of Morbid Obesity in U.S.:  An Analysis of Time Trends From 1997 to 2012

Congratulations to Ken Vega, M.D. who also has had 1 of his 6 abstracts that were selected for poster presentations, chosen for media coverage as one of the most "newsworthy" at the ACG Annual Meeting, October 16-21. His "newsworthy" abstract is entitled, Risk of Barrett's Esophagus Between African Americans and Non-Hispanic Whites: A Meta-analysis.

Javid Fazili, M.D. was appointed as a fellow in the American College of Physicians. (July 2015)

Tauseef Ali, M.D.
was appointed to the Government and Industry Affairs National Committee and the Patient Education Committee of the Crohns and Colitis Foundation of American (CCFA) in June 2015.

William Tierney, M.D.
was asked by Dr. Dewayne Andrews to be a Faculty Sponsor for the Gold Humanism Society on campus.  (May 2015)

William Tierney, M.D.
was appointed to the ABIM Gastroenterology Self Evaluation Process (SEP) question writing committee. (April 2015)

William Tierney, M.D. was appointed to the Task Force on ARIA Educational Program for the American Society for Gastrointestinal Endoscopy.  (2015)
Tauseef Ali, M.D. was elected to the Crohn's and Colitis Foundation of America National Advisory Board and their subcommittees for government and industry affairs, and patient education for 2015-2018. (March 2015)

Courtney Houchen, M.D. is the principal investigator on the recently awarded NIH grant, "Targeting DCLK1 kinase activity in pancreatic cancer."  (February 2015)


Donald Kastens, M.D. was appointed as the Board of Governors Regional Councilor, Southwest Region, of the American College of Gastroenterology.  (November 2014)

Tauseef Ali, M.D. was the community leader for ACG and CCFA joint online discussion form for IBD. (September 2014)

Mohammad Madhoun, M.D. was awarded a research grant from the South Central VA Health Care Network (SCVAHCN) Research Grants for the study entitled "Efficiency and Tolerability of Various Bowel Preparations in Patients with Diabetes: A Randomized Controlled Trial."  It is in the amount of $100,000 for two years.  Mentors for this grant were Dr. William Tierney and Dr. Julie Stoner. (September 2014)

William Tierney, M.D. was appointed for five years to the Data Safety and Monitoring Board for the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) at the National Institute of Health (NIH). (April 2014)


Tauseef Ali, M.D. was selected as one of two gastroenterologists from the US to attend the highly competitive, "Train the Trainer" workshop in Cape Town, South Africa by the World Gastroenterology Organization (WGO) in December of 2013.

In May 2013, Tauseef Ali, M.D. published a book through Wiley Publishers for patient education.  "Crohn's and Colitis for Dummies."

William Tierney, M.D. was awarded the Arnold P. Gold Foundation award in recognition of exemplary service, integrity, clinical excellence and compassion by the Gold Humanism Honor Society. (2013)

In 2013 William Tierney, M.D. received the David Ross Boyd Professorship for outstanding teaching, guidance and leadership for students in an academic discipline within the University, OUHSC.


William Tierney, M.D., to be awarded the ACGME Parker J. Palmer Courage to Teach Award at the upcoming ACGME national meeting to be held in Orlando, Florida, February 28 through March 3.  Congratulations to Dr. Tierney on winning such a prestigious award!

Kenneth Vega, M.D.
has been elected to Fellowship in the American College of Physicians, October 2012.

Javid Fazili, M.D. will be included in the 2013 February issue of Distinctly Oklahoma listing Oklahoma Super Doctors, October 2012.

Javid Fazili, M.D., was recognized in US News and World Report as a Top Doctor, September 2012.

John Maple, D.O. was appointed to the American Gastroenterological Association (AGA) GI Training Exam Subcommittee.  Term: May 2012-May 2015.

William Tierney, M.D., was elected to the position of Councilor on the Governing Board of the American Society of Gastrointestinal Endoscopy.  This is a three year term and will serve as one of 13 voting members of the Board which approves and directs all ASGE activities.  The ASGE, with nearly 12,000 members worldwide, promotes the highest standards for endoscopic training and practice, fosters endoscopic research, recognizes distinguished contributions to endoscopy, and is the foremost resource for endoscopic education.

Tauseef Ali, M.D.
 became a charter member, of the AGA Academy of Educators in May 2012.
Tauseef Ali, M.D., was accepted as a member of the Southern Society for Clinical Investigation in January 2012.

William Tierney, M.D., was appointed to the American Society for Gastrointestinal Endoscopy (ASGE) Training Committee, May 2011-May 2012.
John Maple, D.O., was appointed to the American Society for Gastrointestinal Endoscopy Technology Committee, May 2011-2014 and was elected Vice President of the Arkansas/Oklahoma Endoscopy Society.


William Tierney, M.D. in December 2011 was appointed Director of the National Postgraduate Course of the American Society of Gastrointestinal Endoscopy to be held in Boston, November 2012.

Tauseef Ali, M.D., was selected as an Editor of the peer-reviewed Gastrointestinal and Digestive System Journal in September 2011.  Further, he was selected as a Charter Member for the American Gastroenterology Association (AGA) Academy of GI and Liver Educators.

Donald Kastens, M.D. was elected American College of Gastroenterology Governor for Oklahoma in September 2011.

In September 2011, Assistant Professor, Dr. Shih-Kuang "Sam" Hong joined Drs. Tierney, Maple, Johnson and nurse navigator, Carol Clark as a member of our advanced endoscopy team.  He came to us directly following his completion of an Advanced Endoscopy Fellowship Program at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania.  From July of 2009 through June 2010, Dr. Hong worked as an Attending Physician within the Veterans Affairs System at the Tennessee Valley Healthcare System in Murfreesboro, Tennessee, preceded by his completion of a Gastroenterology fellowship at Vanderbilt University Medical Center, Nashville, Tennessee in June of 2009.

Join us in welcoming two new faculty members to the Digestive Diseases and Nutrition Section.  Dr. Mohammad Madhoun became an Assistant Professor in July 2011 after completing our Gastronenterology Fellowship Program, and will be based at the Veterans Affairs Medical Center. 

Tauseef Ali, M.D.,  was the first recipient selected by the GI Fellows to receive the GI "TEACHING AWARD". Dr. Ali was followed by Dr. Don Kastens who won the second and fourth quarter awards and Dr. Neil Roberts the third quarter award.  The recipient of the award is determined by the vote of the GI Fellows, with further determination by Dr. Tierney (fellowship director). The recipient must reflect an excellent review on two criteria; timely completion of MedHub evaluations and attendance to GI conferences.A faculty member can not receive the award two months consequtively. Dr. Tierney announced the annual overall winner as being Dr. Neil Roberts. Congratulations to all of these faculty members on your excellence in teaching awards! 

Tauseef Ali, M.D., chaired the Trainees Forum at the 2011 American College of Gastroenterology Annual Meeting in Washington, DC. (May 2011)

Courtney Houchen, M.D., in March 2011 was invited as contributing Associate Editor-In-Chief (Editorial Board) of the World Journal of Gastroenterology (WJG).

John Maple, D.O. in March 2011 was appointed to the American Society for Gastrointestinal Endoscopy Technology Committee.  This committee writes documents that evaluate new and existing devices/endoscopes and other technologies for use in GI endoscopy.
William Tierney, M.D., in March 2011 was appointed to the American Society of Gastrointestinal Endoscopy Committee on Training, term 2011-2014.
Tauseef Ali, M.D., chaired the GI Fellows Training Course of the American College of Gastroenterology this year and co-chaired for the American College of Gastroenterology National GI Fellows Training Course in January 2011.


In September 2010, Lancet invited Dr. Bader to write a comment on a forthcoming article about the use of statins in cardiovascular patients who have abnormal LFTs.  The patients who began the study with abnormal LFTs uniformly normalized their LFTs during the trail and experienced a far greater cardiovascular and stroke prevention than those who began with normal LFTs per Dr. Bader.

In August of 2010, Tauseef Ali, M.D. was asked to co-chair the American College of Gastroenterology National GI Fellows Training Course to be held in January 2011.

In August 2010, William Tierney, M.D. was elected President of the Arkansas/Oklahoma Endoscopy Society.

Shahid Umar, Ph.D. received pilot project funding of $100,000 from NIDDK which complements Dr. Houchen's U01 as a consortium grant on intestinal stem cells. (August 2010)

In August 2010, John Maple, D.O. was elected Vice-President of the Arkansas/Oklahoma Endoscopy Society.

Shrikant Anant, Ph.D. was invited to serve as a regular member on the NIH Chemo/Dietary Prevention Study Section for a term of four years in July 2010.

In April 2010, Tauseef Ali, M.D. was elected as Academic Editor-in-Chief for the World Journal of Gastroenterology, a peer-reviewed journal.

In April 2010, William Tierney, M.D. was given the "Outstanding Teacher Award" -Internal Medicine Clerkship, OU College of Medicine.

In March of 2010, Shahid Umar, Ph.D. was invited as a reviewer in Special Emphasis Panel of the Chemo/Dietary Prevention Study Section of NCI.


Please join us in welcoming new faculty member, Dr. Kenneth Vega.  Dr. Vega, formerly Associate Professor of Medicine; Director, Gastrointestinal Motility Laboratory; and Associate Director, Gastroenterology Fellowship Program at the University of Florida Health Sciences Center in Jacksonville, Florida joined the Department of Digestive Diseases and Nutrition on December 1.  Dr. Vega's areas of clinical interest are gastroesphageal reflux disease, Barrett's esophagus and gastrointestinal motility.  Besides, EGD/Colon and some therapeutic endoscopy (stent placement/dilation/small EMR), he performs esophageal manometry, 24-hour pH testing, anorectal manometry and biofeedback.  His research interests are ethnic/gender disparities in GERD, Barrett's esophagus and esophageal adenocarcinoma incidence, colon cancer,and esophageal function both clinically and genetically along with GERD in minority populations and in patients with COPD. 

The Digestive Diseases Section has appointed Teddy Bader, MD to direct hepatology efforts at the Health Sciences Center.  Through the efforts of Dr. Bader, an application for a Hepatology Transplant Fellowship has been approved by the ACGME.  This will be restricted to applicants who have completed a three year Gastroenterology Fellowship (or are currently in such a program). 

Shrikant Anant, Ph.D. received notice of funding of a new NIH R01 grant.  Further, he has been appointed as Chair of the Special Emphasis Panel for NIH, this panel deals with grants submitted by members of regular NOM study sections related to chemoprevention. (August 2009)

Tauseef Ali, M.D. was selected for a three-year term for the Training Committee of American College of Gastroenterology.  Further he was selected for the Editorial Board of the peer-reviewed World Journal of Gastroenterology. (August 2009)

In July 2009, Tauseef Ali, M.D., was selected as a member of the International Relations Committee of the American College of Gastroenterology.  He was also selected as a member of the CME Advisory Board of the Southern Medical Journal.

All three of our 2009 graduating fellows; Drs. Jessica Philpott, MD, PhDDavid Roberts, MD, and Tauseef Ali, MD accepted faculty positions at OUHSC.

In April 2009, Neil Roberts, M.D. was appointed to a 3-year term on the American Society of Gastrointestinal Endoscopy Web Education Committee. 

Shrikant Anant, Ph.D., received a renewal of his R01, Dietary Prevention of Cancer for July 1, 2009 through June 30, 2014.  (February 2009)

In February 2009, Shrikant Anant, Ph.D. became Chair for the National Center for Complementary and Alternative Medicine Special Emphasis Panel on basic and clinical research on CAM being held on March 2-3, 2009.  The panel meets three times a year and he will chair all three meetings in 2009. 

William Tierney, M.D. was appointed as Chair of the American Society of Gastrointestinal Endoscopy Technology Committee.  (February 2009)


Shahid Umar, Ph.D. is a co-investigator on an R21 from NCI to start 1/1/09.  (December 2008)

William Tierney, M.D.
was appointed to the ASGE Task Force to make recommendations to MEDCAC regarding Medicare coverage for CT colongraphy.  (October 2008)

Ralph Guild, M.D.
was re-elected to the Board of Governors for the American College of Gastroenterology representing Oklahoma.  At the annual meeting of the ACG in October 2008 he received a service award for his work in representing the college nationally in the past year.

William Tierney, M.D.
named Chair of the American Society of Gastrointestinal Endoscopy Technology Committee.  The Committee is a panel of 12 experts in gastrointestinal endoscopy from around the country that provides updates and reports on emerging endoscopic technologies to the more than 12,000 members of the society.  (August 2008)

In June 2008, William Tierney, M.D. was listed in Oklahoma's Top Doctors list.  

Shrikant Anant, Ph.D. discovers a new cancer gene.  (April 2008)