SAN ANGELO, TX, January 06, 2026 /24-7PressRelease/ -- David A. Cummings has been selected for inclusion in Marquis Who's Who. As in all Marquis Who's Who biographical volumes, individuals profiled are selected on the basis of current reference value. Factors such as position, noteworthy accomplishments, visibility, and prominence in a field are all taken into account during the selection process.

Dr. Cummings has established a distinguished career in oncology, serving as a physician at Shannon Medical Center in San Angelo since 2007. Over 18 years, he has become recognized for his expertise in treating cancer and blood disorders, with a focus on patient care and administering chemotherapy. His commitment to advancing cancer treatment is further demonstrated by his active involvement in cancer research and advocacy, reflecting a deep dedication to improving patient outcomes.

Throughout his tenure at Shannon Medical Center, Dr. Cummings has been lauded for his compassionate approach and clinical acumen. He is highly regarded for his ability to integrate the latest advancements in oncology into his practice, ensuring that patients receive state-of-the-art care. His leadership and expertise have also led to his appointment to the board of the Cancer Prevention and Research Institute of Texas, a prestigious position conferred by the Governor of Texas. This role underscores his influence in shaping statewide cancer prevention and research initiatives, a distinction achieved by few in his profession.

Dr. Cummings maintains active membership in several prominent professional organizations, including the American Society of Clinical Oncology, the American Society of Hematology, and the American Board of Internal Medicine. He is also affiliated with the Mayflower Society, reflecting a broad engagement with both medical and historical communities. His ongoing participation in these organizations highlights his commitment to professional development and collaboration within the field.

His academic journey began with a bachelor's degree from Baylor University in Waco in 1994, followed by earning a Doctor of Medicine from Texas Tech Health Sciences Center in Lubbock in 1998. Dr. Cummings completed both his residency in internal medicine and fellowship in medical oncology at Scott & White Memorial Hospital in Temple in 2003. He is board-certified in medical oncology by the American Board of Internal Medicine, a credential that attests to his advanced knowledge and proficiency in cancer care.

Dr. Cummings attributes much of his success to the unwavering support of his family, which provided him with foundational advantages early in his career. He acknowledges the positive influence of working alongside dedicated colleagues and values the continuity he has experienced with nursing staff throughout his time at Shannon Medical Center.

Beyond his clinical responsibilities, Dr. Cummings is deeply involved in civic and community organizations. He has served for seven years as a gubernatorial appointee on the oversight committee of the Cancer Prevention and Research Institute of Texas (CPRIT), contributing to critical decisions regarding cancer research funding across the state. His commitment to service extends to roles as a volunteer with Scouting America, Young Life, Southland Baptist Church, San Angelo Performing Arts Center and Buckner International. He has held leadership positions as the past president of the San Angelo Symphony, the Concho Valley County Medical Society, Texas Southwest Council of Scouting America and as a board member of both the Baylor Alumni Association and the Baylor University College of Arts & Sciences.

His contributions have been recognized through numerous awards, including the Silver Beaver Award from Scouting America, service awards from both the San Angelo Symphony and the State of Texas, and honors from Baylor University, such as induction into the President's Club and membership in the 1845 Society.

Dr. Cummings was born in Amarillo into a family dedicated to public service; his father serves as a federal judge in Lubbock appointed by President Ronald Reagan, while his mother is a nurse who completed her studies at Scott & White Memorial Hospital. In the same institution, Dr. Cummings later pursued his residency and fellowship training. His wife, Dinah, is a professor at Angelo State University and actively participates with the Laura Bush Institute for Women's Health, further reflecting their shared commitment to education and health advocacy. Together they have three daughters.

In addition to his professional pursuits, Dr. Cummings enjoys playing tennis, working on his ranch and spending quality time with his family. Looking ahead, he remains committed to advancing cancer treatment and personalizing patient care while continuing his work on cancer prevention and research at the state level, striving to ensure responsible stewardship of resources dedicated to combating cancer.

About Marquis Who's Who®:
Since 1899, when A. N. Marquis printed the First Edition of Who's Who in America®, Marquis Who's Who® has chronicled the lives of the most accomplished individuals and innovators from every significant field of endeavor, including politics, business, medicine, law, education, art, religion and entertainment. Who's Who in America® remains an essential biographical source for thousands of researchers, journalists, librarians and executive search firms around the world. The suite of Marquis® publications can be viewed at the official Marquis Who's Who® website, www.marquiswhoswho.com.

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