
Dr. Nicholas Perez Martinez M.D.
Gastroenterologist | Gastroenterology
8550 DATAPOINT DR SAN ANTONIO TX, 78229About
Nicholas Martinez, MD, is a board-certified gastroenterologist providing complete care for patients at Gastroenterology Clinic of San Antonio. Dr. Martinez found his inspiration for pursuing a career in medicine after observing the health problems suffered by close family members when he was growing up. His experiences still inspire him as a doctor, and his patient, comforting manner reassures people who come to him for care, making them feel like family. A native of San Antonio, Dr. Martinez speaks fluent Spanish as well as English. He earned his bachelor’s degree from Baylor University in Waco, Texas, before studying medicine at the University of Texas Health Science Center at San Antonio. He then stayed at UT Health San Antonio for his internal medicine residency and gastroenterology fellowship. During his training, Dr. Martinez received a humanitarian award for his outstanding patient care and exemplary bedside manner. Dr. Martinez has a particular interest in inflammatory bowel disease (IBD), gastroesophageal reflux disease (GERD), and colon cancer prevention. He’s published many scholarly articles in leading medical journals, and regularly presents his research findings at national academic conferences. Dr. Martinez holds certification from the American Board of Internal Medicine, and has a decade of experience helping patients with a range of gastrointestinal disorders.
Education and Training
Univ. Texas Health San Antonio MD 2010
Board Certification
American Board of Internal Medicine
Gastroenterology (Internal Medicine)
Provider Details

Dr. Nicholas Perez Martinez M.D.'s Expert Contributions
March is Colon Cancer Awareness Month
Colorectal cancer is the fourth most common cancer diagnosed in the United States. It is the second leading cause of cancer-related deaths and resulted in nearly 50,000 deaths last year. But it doesn’t have to be this way. Colorectal cancer arises from pre-cancerous growths or polyps that grow in...
Professional Memberships
- American College of Gastroenterology
- American Gastroenterological Association
- Society of American Gastrointestinal and Endoscopic Surgeons
Areas of research
· Martinez N, Vizuete J, Diallo S, et al. Successful management of extra-intestinal manifestations of inflammatory bowel disease. Am J Gastroenterol 2015; 110: S830-831
· Randall CW, Vizuete J, Martinez N, et al. From historical perspectives to modern therapy: a review of current and future biological treatments for Crohn’s disease. Therap Adv Gastroenterol. 2015; 8:143-159
· Martinez N, Rosenkranz L, Patel S. Yield and safety of pancreatoscopy in main duct intra-ductal papillary mucinous neoplasms. Am J Gastroenterol 2014; 109; S87
· Martinez N, Garapati K, Randall C. Management of Helicobacter Pylori Infection. J Trop Dis 2014; 2:129-31
· Torres V, Martinez N, Lee GH, et al. How Do We Manage Post-orthotopic Liver Transplantation Redundant Bile Duct? World J Gastroenterol 2013; 19:2501-2506
· Catalano M, Al-Haddad M, Schmidt C, Martinez N, et al. Clinical Validity of Integrated Molecular Profiling in Diagnosing Pancreatic Lesions: Interim Results (N=422) of an Outcomes-based Registry. Am J Gastroenterol 2013; 108:S62
· Randall C, Taboada C, Djenic B, Martinez N, et al. Nitazoxanide is Efficacious in the Treatment of Small Intestinal Bacterial Overgrowth. Am J Gastroenterol 2012; 107: S125
· Torres, V, Martinez, N, Lee, GH, et al. How Do We Manage Post-OLT Redundant Bile Duct? Gastrointest Endosc 2012; 75: AB 377
· Martinez N, Kiker DG, Gross GW. An Unusual Cause of Abdominal Pain During Pregnancy: Cholangiocarcinoma. Gastroenterology 2011; 140: S-597
· Martinez N, Randall CW, Taboada C, et al. Incidence of Colonic Neoplasia in Patients with a Family History of Colorectal Cancer. Am J Gastroenterol 2010; 105: S552.
Martinez, N, Randall CW, Taboada C, et al. Histology and Distribution of Polyps in Patients with a Family History of Colorectal Cancer. Am J Gastroenterol 2010; 105: S552
Dr. Nicholas Perez Martinez M.D.'s Practice location
Dr. Nicholas Perez Martinez M.D.'s reviews
Write ReviewRecommended Articles
- What Procedures are Used to Treat Ovarian Cancer?
Ovarian cancer is an unpleasant and dangerous disease that can affect every woman in the world. There are many risk factors that can cause this condition, and the disease can easily affect other organs near the ovaries, including the womb, the bladder, and the colon. Fortunately, there are many...
- Reasons Why You Need Hernia Surgery
Nowadays, the majority of hernia surgical operations are carried out as outpatient procedures. Hernia surgery is a common treatment which is less invasive and is associated with minimal risks. There are two types of hernia surgery; open repair and laparoscopic. Both methods of surgery take a few...
- What Is Blount’s Disease: Symptoms and Treatment
Blount's DiseaseBlount's disease is a growth disorder that causes the lower leg bones to bow outward. Although this disorder can affect people any time during growth stages, it is more commonly seen in adolescents and children who are younger than 4 years old.It is important to note that Blount’s...
- Do I Have Strep Throat?
What is strep throat?Strep throat is the most common form of bacterial infections of the throat and tonsils, resulting in inflammation and irritation. ...
- What Are the Different Types of Alcohol Rehabilitation Program?
Alcoholism can lead to several serious complications if appropriate treatment is not rendered in time. A number of programs are now available to treat this condition. Each program differs in depending on the needs of the individual, but all of them do have some common factors too. The first step...
- The Most Common Misconceptions About Lupus
IntroductionLupus is a chronic autoimmune disease. It is a complex disease characterized by inflammation and many other symptoms. In lupus, the body's immune system attacks its own healthy tissues and causes inflammation and swelling. It also damages other organs in the body. People with lupus tend...
Nearby Providers
- Dr. Jeff S. Bullock M.D.520 East Euclid Avenue San Antonio Texas 78212
- Dr. Bassem Mazloum M.D.9502 Huebner Rd San Antonio TX 78240
- Dr. Donna M Mcmyler MD855 Proton Rd San Antonio TX 78258
- Dr. Maryam Kashi DO527 N Leona St San Antonio TX 78207
- Dr. Steven E Hearne M.D.1804 Ne Loop 410 San Antonio TX 78217
- Dr. Mario A Garza M.D.5223 Hamilton Wolfe Rd San Antonio TX 78229
Nearest Hospitals
UNIVERSITY HEALTH SYSTEMl
4502 MEDICAL DR SAN ANTONIO TX 78229METHODIST HOSPITALl
7700 FLOYD CURL DR SAN ANTONIO TX 78229