Our physicians

Experienced. Dedicated. Here for you.

Our radiation oncologists bring decades of experience and a shared commitment to precise, compassionate care. They take the time to understand your diagnosis, explain your options, and work closely with your other physicians to build a plan that is right for you.

You are treated by the same doctor throughout, in Arlington or in Fort Worth, and not passed between them.

Peter LaNasa, MD

Radiation Oncologist

Dr. LaNasa specializes in advanced radiation oncology, including the treatment of prostate cancer using technologies like RapidArc IMRT. He practices in Arlington and collaborates closely with Urology Partners of North Texas to deliver coordinated, patient-centered care.

Board-certified Board-certified in radiation oncology.
30+ years More than three decades treating cancer patients in North Texas.
RapidArc IMRT Specialist in intensity-modulated therapy, including prostate cancer.
UPNT partnership Works closely with Urology Partners of North Texas.

Arlington 817-417-1132

Request with Dr. LaNasa Full profile

Jerry Barker, MD, DABR, FACR

Radiation Oncologist

Dr. Barker is the only fellowship-trained radiation oncologist in Tarrant County and has cared for patients with advanced and complex cancers throughout his career. He practices in Fort Worth and collaborates with Urology Partners of North Texas to deliver coordinated, patient-centered care.

Board-certified Certified by the American Board of Radiology in radiation oncology, continuously since 2002, and a Fellow of the American College of Radiology.
Fellowship-trained MD Anderson fellowship-trained, the only one in Tarrant County.
Nearly two decades Experience with advanced and complex cancers.
UPNT partnership Works closely with Urology Partners of North Texas.

Fort Worth 817-438-0259

Request with Dr. Barker Full profile

Working together for your best outcome.

We work closely with urologists, ENT specialists, medical oncologists, surgeons and other physicians so that your treatment plan is comprehensive, coordinated and built around your goals.

Our team is here to answer your questions and support you through every decision, at every step of your care.

We are here when you need us.
Newly diagnosed, weighing options, or seeking a second opinion.

Request an appointment Call Arlington 817-417-1132 Call Fort Worth 817-438-0259

Online requests are secure and confidential.

Patient focused

Your goals and your wellbeing are at the centre of every decision.

Precision and technology

Advanced equipment and established technique, delivering treatment accurately.

Collaborative care

We work with your whole care team, not in isolation from it.

Compassionate support

Straight answers, in plain language, from people who have time for you.