GI Pathology

Alliance Health Sciences provides superior specialty testing in gastrointestinal pathology. Our services are tailored to meet the needs of the gastroenterologist, including enhanced electronic reporting with color photomicrographs and patient educational materials.

With superior turnaround time and same day, onsite access to the latest immunohistochemical and molecular diagnostic techniques, Alliance Health Sciences is the perfect provider for gastrointestinal pathology services.


We give you access to not only a full menu of diagnostic testing, but also our specialized, fellowship-trained GI pathologists. In addition to collaborating with the leading academic pathology experts on rare and complex cases, our pathologists are available for physician consultations to better serve your practice.

Michael Robles + Read Bio
Prior to founding Alliance Health Sciences, Dr. Robles had been both the Managing Director and Director of GI Diagnostics at one of the largest pathology labs in Texas. Dr. Robles was the first Robert E. Petras Fellow in gastrointestinal pathology. He graduated from the UMDNJ-SOM and entered residency in anatomic and clinical pathology at the University of California, Irvine and Cedars-Sinai Medical Center, Los Angeles. After residency, Dr. Robles completed a Surgical Pathology Fellowship at The University of Texas Southwestern Medical Center at Dallas. He is a diplomate of the American Board of Pathology and a Fellow of The College of American Pathology. Dr. Robles holds memberships in American College of Gastroenterology, American Gastroenterological Association, and the Rodger C. Haggitt Gastrointestinal Pathology Society.
Kimberly Welter + Read Bio
Dr. Kimberly Welter, a diplomate of the American Board of Pathology, is board certified in anatomic pathology.  Dr. Welter graduated medical school at the University of Arkansas for Medical Sciences, Little Rock, Arkansas.  She went on to complete a residency in anatomic pathology at the University of Texas Southwestern Medical Center, Dallas, Texas, and became a Fellow of the Robert E. Petras fellowship program in gastrointestinal pathology.  Dr. Welter is a member of the College of American Pathologists and the American College of Gastroenterology.  She lives in Dallas, Texas with her husband and three daughters.


  • Molecular studies for GI lymphomas including KRAS, MSI, BRAF, HER 2 FISH
  • Telephone calls for all malignancies and clinically relevant diagnoses as requested
  • Quarterly and annual summary reports
  • Complete IT connectivity solutions with personalized reporting options, including remote printing, online reporting and EMR/PMS interface options
  • Extensive managed care coverage