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Meet Our New Physicians

At Texas Oncology, our people are the heartbeat of what we do and why we do it. With more than 525 physicians and counting, get to know our newest physicians and learn about what inspired them to specialize in cancer treatment as well as their interests outside of caring for our patients.

 
Image - Texas Oncology–McKinney Welcomes Hematologist and Medical Oncologist Namrah Z. Siddiq

Texas Oncology–McKinney Welcomes Hematologist and Medical Oncologist Namrah Z. Siddiq

Namrah Z. Siddiq, M.D., shares her motivation behind becoming an oncologist and how she would like to leave a legacy of compassionate care as a physician.

Image - Texas Oncology-Longview Welcomes Christopher Lake Littlejohn

Texas Oncology-Longview Welcomes Christopher Lake Littlejohn

Christopher Lake Littlejohn, M.D., shares how the patient-physician relationship inspired him to specialize in oncology as well as a memorable experience providing medical services in Costa Rica and Panama.

Image - Welcome Jordan Toulouse Buess to Texas Oncology–Tyler

Welcome Jordan Toulouse Buess to Texas Oncology–Tyler

Jordan Toulouse Buess, M.D., hematologist and medical oncologist, is now seeing patients at Texas Oncology–Tyler. Dr. Buess shares how forming patient-physician relationships excites her when it comes to working in the medical field, as well as her passion for acting and singing.

Image - Introducing Jasmine Lizette Gowarty to Texas Oncology–McCallen

Introducing Jasmine Lizette Gowarty to Texas Oncology–McCallen

Jasmine Lizette Gowarty, M.D., shares what her patients have taught her and how she feels returning to her hometown to practice medicine after being away for 15 years.

Image - Introducing Laura Chow to Texas Oncology–Austin Midtown

Introducing Laura Chow to Texas Oncology–Austin Midtown

Laura Chow, M.D., shares how her patients have inspired her to make a positive difference in people's lives and details her diverse music taste.

Image - Introducing Hematologist and Medical Oncologist David Joseph Gregorio to Texas Oncology-Cleburne

Introducing Hematologist and Medical Oncologist David Joseph Gregorio to Texas Oncology-Cleburne

David Joseph Gregorio, D.O., shares how he is looking forward to more personalized treatment options as oncology research continues to evolve, and the types of books he enjoys reading in his free time.

Image - Welcome Dr. Jillian Grimm to Texas Colon & Rectal Specialists–New Braunfels

Welcome Dr. Jillian Grimm to Texas Colon & Rectal Specialists–New Braunfels

Jillian Grimm, D.O., shares how a volunteer experience during medical school impacted her perspective on patient care and a hidden talent from childhood she has carried into her surgical career.

Image - Welcome Dr. Vijian Dhevan to Texas Oncology Surgical Specialists–Harlingen

Welcome Dr. Vijian Dhevan to Texas Oncology Surgical Specialists–Harlingen

Vijian Dhevan, M.D., MBA, FACS, brings his extensive surgical oncology experience to Texas Oncology's Rio Grande Valley region practice. He shares lessons that have stuck with him throughout his medical career and the surgical oncology treatment innovations he looks forward to as research continues to evolve.

Image - Texas Oncology-Medical City Dallas Pediatric Hematology-Oncology Welcomes Dr. Matthew Fletcher

Texas Oncology-Medical City Dallas Pediatric Hematology-Oncology Welcomes Dr. Matthew Fletcher

Matthew B. Fletcher, M.D., shares what his patients' resiliency has taught him and his excitement about therapeutic advances in pediatric oncology.