Manchester NH

Clayton Smith, MD

Manchester, Concord, Dover | Radiation Treatment & Oncology

PubMed

Dr. Clayton Smith received his Bachelor of Arts in Anthropology with a minor in Pre-Medical Studies from the University of Notre Dame in 2014. He went on to earn his medical degree from Georgetown University School of Medicine in 2019. Between his third and fourth years of medical school, Dr. Smith participated in the Medical Research Scholars Program at the National Institutes of Health (NIH) in Bethesda, Maryland, where he developed a machine learning algorithm for detecting prostate cancer on MRI.

Dr. Smith completed his residency in Radiation Oncology at the University of California, Los Angeles, finishing in June 2024. His research during residency focused on innovative imaging and therapeutic approaches for prostate cancer, including PSMA PET/CT, Lutetium-177-PSMA-617, and MRI-guided radiotherapy. His work was presented at national conferences and published in peer-reviewed medical journals. In recognition of his research, Dr. Smith received the ACRO travel grant to study heavy-ion radiotherapy at the renowned Heidelberg University Ion Therapy Center in Germany.

Throughout his residency, Dr. Smith received extensive training in advanced radiation techniques, including image-guided radiation therapy (IGRT), intensity-modulated radiation therapy (IMRT), stereotactic body radiotherapy (SBRT), stereotactic radiosurgery (SRS), MRI-guided radiotherapy, and brachytherapy.

Dr. Smith joined Radiation Oncology Associates in August 2024. Outside of his clinical practice, he enjoys spending time outdoors with his wife, daughter, and dog. A native of Denver, Colorado, he has a deep love for mountain activities such as skiing and hiking.

Dr. Smith shares, “I am deeply grateful for the opportunity to provide high-quality, compassionate cancer care. The trust my patients place in me is an incredible honor and privilege that I take very seriously.”

Jeffrey Brower, MD, PhD

Dover, Manchester | Radiation Treatment & Oncology

PubMed

Jeffrey Brower received his Bachelor of Science degree in Microbiology and Cell Science with a minor in Chemistry from the University of Florida. He then went on to earn his Ph.D. in Molecular Biology, during which time his research led to the discovery of a novel gene responsible for cellular respiration and energy metabolism. During his Ph.D. research, he was awarded the Alumni Fellowship and Medical Guild award for his work in molecular biology. Following the completion of his Ph.D., Dr. Brower matriculated to medical school at the University of Florida, graduating with research honors in 2012.

Dr. Brower completed his training in radiation oncology at the University of Wisconsin, serving as chief resident from 2016 to 2017. During residency, he gained extensive experience in the most current radiation therapy techniques, including intensity modulated radiotherapy (IMRT), Tomotherapy, image-guided radiotherapy, and stereotactic radiotherapy as well as the utilization of MRI-guided radiotherapy. In addition, Dr. Brower received comprehensive training in the utilization of brachytherapy to treat gynecologic malignancies. As a resident, Dr. Brower also participated in clinical research, publishing over 25 peer reviewed manuscripts and presenting his work at national conferences. Dr. Brower has published manuscripts on esophageal, lung, brain, head and neck, prostate, liver, skin and gynecologic cancers as well as brain metastases. After the completion of his training, Dr. Brower joined Radiation Oncology Associates in 2017. He currently serves as Gynecological Editor for Radoncquestions.com, an international online learning resource for radiation oncology physicians and trainees. Dr. Brower also is an active peer reviewer for many journals with the field of radiation oncology and continues to participate in resident education.

“It is a great privilege to care for the patients of New England. Community medicine provides me the opportunity to focus on improving the standards of patient care and ensuring that the highest quality therapy is available to patients closer to home.”

Brian R. Knab, MD

Londonderry, Manchester | Radiation Treatment & Oncology

PubMed

Brian Knab received a Bachelor of Arts degree in interdisciplinary studies at the University of Virginia in 1997. He graduated from Duke University Medical School in 2002 as a member of the Alpha Omega Alpha medical honor society. While in medical school, he participated in a year-long laboratory research program at the University of California at San Francisco investigating new cancer treatments.

Following medical school, Dr. Knab returned to the University of Virginia to complete an internship in internal medicine. He continued his training in radiation oncology at the University of Chicago Medical Center and served as chief resident from 2005 to 2006. During residency, Dr. Knab received extensive training in the latest radiation therapy techniques including intensity modulated radiotherapy (IMRT), stereotactic radiotherapy, and brachytherapy. Dr. Knab also received additional clinical training at the Royal Marsden cancer hospital in London, England and the Seattle Prostate Institute. During residency, Dr. Knab participated in clinical research investigating the treatment of gastrointestinal and gynecologic cancers, brain tumors, and head and neck cancers. He also performed laboratory research in tumor immunotherapy and radiobiology.

After finishing training, Dr. Knab joined Radiation Oncology Associates in 2007. Dr. Knab now serves as medical director for Elliot Regional Cancer Center in Manchester and Londonderry.

“Cancer treatment is a rapidly advancing medical field and it is exciting to be a part of this ongoing revolution,” Dr. Knab said. “I strive to incorporate the latest advancements and technologies into my medical practice to offer the optimal treatment for each individual. I feel privileged to work in this wonderful community with such talented professionals to help provide state of the art cancer care in a compassionate and caring environment.”

Naomi Jiang, MD

Burlington, Manchester | Radiation Treatment & Oncology

Naomi Jiang received her Bachelor of Science degree in Biology with a minor in Biomedical Engineering from Massachusetts Institute of Technology (MIT) in 2011 and earned her medical degree from Washington University in St. Louis in 2015 as a WashU Distinguished Alumni Scholar.

Dr. Jiang went on to complete her internship in Preliminary Medicine at Barnes-Jewish Hospital in St. Louis in 2016 and her residency in Radiation Oncology at University of California, Los Angeles (UCLA) in 2020.  She served as Chief Resident from 2019 – 2020.  During residency, Dr. Jiang’s research interests focused on personalized medicine, and she was involved in clinical research projects in prostate, pancreatic, and head and neck cancer that resulted in several presentations at national conferences and peer-reviewed publications.  In addition, she received the American Radium Society (ARS) Young Oncologist Essay Award in 2019.

During her residency, she was extensively trained in the use of advanced radiation techniques, such as image-guided radiation therapy (IGRT), intensity modulated radiation therapy (IMRT), stereotactic body radiotherapy (SBRT), stereotactic radiosurgery (SRS), and MRI-guided radiotherapy for various disease sites.

Dr. Jiang joined Radiation Oncology Associates in August 2020.  “What drew me to the field of radiation oncology are the continuous technological advances that are used to improve patient care and quality of life.  It is truly an honor, privilege, and humbling experience to work with oncology patients, and it is my primary goal to deliver compassionate care in a multidisciplinary environment.”