Maria L. Martinez M.D.

Dr. Maria L. Martinez is a highly specialized Colon and Rectal Surgeon who completed her General Surgery Residency at the University of Texas Health Sciences Center in San Antonio, and then went on to complete a Colon and Rectal Surgery Fellowship at the Mayo Clinic in Rochester, MN, which has been ranked as the #1 hospital in the United States for Gastroenterology and Gastrointestinal Surgery for more than 10 years.  After completing her training, Dr. Martinez returned to the city she calls home, San Antonio.  She is fluent in both Spanish and English, making her the only bilingual, female, board certified Colon and Rectal Surgeon in San Antonio, TX. Her mission and calling is to serve her patients by providing caring, compassionate, and exceptional surgical care. Dr. Martinez is also very active in her community, volunteering with her local Red Cross as well as being an active member of her church community. When not caring for her patients or volunteering in the community, Dr. Martinez enjoys spending time with her family and her Labrador, Molly. She is also a fitness enthusiast and enjoys traveling.


Minimally Invasive Colon and Rectal Surgery

Colorectal Cancer

Sphincter Sparing Colorectal Surgery

Inflammatory Bowel Disease

Diverticular Disease

Anorectal Disease and Physiology

Treatment of Fecal Incontinence and Other Pelvic Floor Disorders







Medical School

Universidad Nacional Autonoma de Nicaragua, Leon


University of Texas Health Sciences Center at San Antonio


Mayo School of Graduate Medical Education

Board Certifications

American Board of Surgery

American Board of Colon and Rectal Surgeons

Contact Information

Office Address

Metropolitan Methodist Plaza

1200 Brooklyn Ave., Ste. 150

San Antonio, TX 78212


Appointments: (210) 212-4114
Fax: (210) 212-4012

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