Board Certified

Radiation Oncologist

Dr. Rajiv “Raj” Dahiya is a Dallas, Texas based cancer specialist experienced in a broad range of procedures including CyberKnife and Gamma Knife Stereotactic Radiosurgery (SRS), Tomotherapy, prostate and gynecologic brachytherapy (both High Dose Rate HDR and Low Dose Rate LDR). He is an expert in using such technologies such as Intensity Modulated Radiotherapy (IMRT) and Image Guided Radiation Therapy (IGRT) to help better target and treat complex cancers. He sees many patients who have failed traditional therapies and are seeking hyper-specialized cancer treatment options.

Throughout his postgraduate and medical training, he coauthored a number of studies that were presented in national meetings for such organizations as the American Society for Therapeutic Radiation Oncology (ASTRO), the American Society of Clinical Oncology and the American Brachytherapy Society. Dr. Raj Dahiya earned his BA and MD from the 6 year combined program at the University of Missouri Kansas City School of Medicine where he received the Mid-America Heart Institute student research fellowship. For his professional performance, he has been recognized by his peers as a Super Doctor published in Texas Monthly every year since 2012. Dr. Dahiya is actively involved in helping to develop and advance genetic testing for cancer and non-cancer related conditions.

Radiation Oncologist

Dr. Raj Dahiya MD

Dr. Rajiv Singh Dahiya has been a cancer specialist in Radiation Oncology since 2002. He attended the 6 year combined BA-MD program straight out of high school at the University of Missouri – Kansas City School of Medicine from 1988 to 1994. He then came to Dallas to begin his first residency in Internal Medicine at Baylor University Medical Center from 1994 to 1997. Dr. Dahiya practiced  Internal Medicine at the Baylor Senior Health Center in Garland, Texas from 1997 to 1998 where he developed a keen interest in early cancer detection amongst his elderly patient population.  He then began his second residency in Radiation Oncology at the University of Texas Health Science Center at San Antonio from 1998 to 2002. He served as Chief Resident in 2001. Dr. Dahiya is board certified in Radiation Oncology from the American Board of Radiology.  In addition to his medical training, he is also an alumnus of the week 1 YPO-Harvard Business School (HBS) President’s Program.

He has a passion for cancer patients and enjoys employing the latest radiation oncology technologies in his quest to help advance cancer care. He is committed to ensuring that all of his patients are treated in a warm, caring and modern environment.

Publications & Presentations

Journal Articles

Influence of radiotherapy on 6 sulphatoxmelatonin level in the urine of Brain cancer patients.

Vijayalaxmi, Selva M, Dahiya, RS, Reiter RJ, Meitz ML, Prihoda TJ, Barnes J, Leal BZ,

Herman TS, Neuro Endocrainology Letters, volume 21 (3)

Comaprison of Morbidity and Mortality Rates with Coronary Artery Bypass Graft Surgery vs. Percutaneous Tranluminal Coronary Angioplasty after CABG in Elderlay Patients.

O’Keefe J, Dahiya RS, et. al, Journal of the American College of Cardiology


Phase I study of weekly Paclitaxel, in combination with daily Cisplatin and Radiation in locally advance head and neck, locally advanced non-small Cell lung carcinoma.

Tan W, Tin-UC, Zellers RC, Herman TS, Villalona-Calero M, Valley AW, Kalidas M, Ochoa

L, Drengler R, Khoury P, Alder L, Barnes J, Dahiya,RS, Hardy, J, Bready, BB, Weis…,

American Society of Clinical Oncology (ASCO) meeting

Patient Testimonials

Reputation Reviews