Veterinary Cancer Group logo

What's New?

Cancer Fact Sheets

FB logo


What We Believe.

From our experienced oncologists to our highly trained technicians to our dedicated client care specialists, every member of Veterinary Cancer Group shares and supports our core philosophy:

We strive to take the fear out of the diagnosis of cancer, by providing our patients' families with an empathetic, compassionate and nurturing environment filled with the prospect of providing a better quality of life for their pets. We pledge to attend to our patients' every need, surpassing the expectations of even our most demanding clientele. Our staff welcomes each new day as an exciting opportunity to contribute individually and as a team to the lives and well-being of the patients and families we serve.

Your Pet Deserves The Very Best Care.

At Veterinary Cancer Group that's exactly what our patients receive - the very best care, at the hands of the area's most qualified, experienced and compassionate veterinary oncologists. In addition to holding veterinary degrees, our oncologists have completed two to three years of additional specialized oncology training in an approved program. Our board-certified oncologists have passed comprehensive and rigorous exams, and regularly contribute to oncology publications. Veterinary Cancer Group is one of the few oncology groups in the country to offer a private practice ACVIM Accredited Oncology Residency Program, which allows us to continue to attract highly motivated and qualified veterinarians. While meeting the stringent requirements of recognized veterinary associations, our oncologists also meet the high standards of our patients and families.

Board Certified Oncologists.

MonaMona Rosenberg, DVM
Diplomate ACVIM (Oncology)

Owner, CEO, and Veterinary Cancer Group's Chief of Staff, Dr. Rosenberg brings a wealth of expertise and experience to the practice. After receiving her DVM degree from the University of California at Davis, Dr. Rosenberg completed her internship and residency at the Animal Medical Center in New York. A diplomate of the ACVIM in Oncology since 1992, Dr. Rosenberg is also an active member of the Veterinary Cancer Society and SCVMA and an associate faculty member at Western University. As the head of the oncology residency program at Veterinary Cancer Group, Dr. Rosenberg has played a hands-on role in preparing the next generation of brilliant, skilled and dedicated veterinary oncologists. She stays busy with both taking the reins at our newest location in Mission Viejo, where she sees patients every Wednesday and caring for patients every Tuesday and Thursday at our San Fernando Valley location. Dr. Rosenberg enjoys kayaking, skiing, rooting her son on in softball, and spending time with family. 

MaryMary Davis, DVM
Diplomate ACVIM (Oncology)
Dr. Davis entered the oncology residency program at Veterinary Cancer Group as our first resident in 2004 and completed her residency in 2006. Prior to joining the team, Dr. Davis received her DVM degree from Texas A&M College of Veterinary Medicine and had a special interest in small animal and emergency medicine for 10 years. Through working with cancer patients and their families, Dr. Davis has refocused her career to provide quality of life to these patients. Dr. Davis enjoys and takes an active role in educating the technical staff to help further their knowledge in the field of oncology and enjoys community service. In June 2008, Dr. Davis passed her certifying exam with the ACVIM and became board certified in oncology with the ACVIM in December 2011.

Jarred LJarred Lyons, DVM
Diplomate ACVR (Radiation Oncology)
Dr. Lyons received his Doctor of Veterinary Medicine degree from the University of California at Davis and completed a surgical and internal medicine internship in the Los Angeles area. After completing his residency in Radiation Oncology at North Carolina State University (in conjunction with Duke University and the University of North Carolina), Dr. Lyons joined the team at Veterinary Cancer Group in January of 2007. His special interests include medical oncology and palliative radiation therapy to improve the quality of life for end-stage cancer patients, as well as continuing to advance the field of veterinary oncology through publishing clinical studies.

Dr. Lyons is the author of "Survivor: The Dog Days of Cancer", a book about the journey of a dog going through cancer treatment and the family that loves him.

During his time at Veterinary Cancer Group as the head of the radiation oncology department, he has actively published clinical studies, including an investigation done in conjunction with Washington State University, that significantly advanced the survival for cats with a specific mouth tumor called squamous cell carcinoma. He currently heads 3 separate clinical prospective studies involving the use of radiation to treat arthritis, bladder cancer, prostatic cancer, and brain tumors.

Dr. Lyons is one of a handful of veterinarians in the world to offer sterotactic radiosurgery for companion animals, a state of the art form of delivering high doses of radiation with minimal to no side effects.  He is a member of the nationally recognized Veterinary Radiation Therapy Oncology Group, and has contributed to nationally syndicated news articles and blogs. He frequently lectures about cancer and radiation therapy around the Southern California area, and is an active participant in raising money to promote cancer awareness.

Dr. Lyons has worked hard to cultivate the collaborative efforts of Veterinary Cancer Group's radiation department, whose teamwork ensures our pet cancer patients receive the high quality medicine and care that they deserve. In his spare time, Dr. Lyons enjoys writing fiction, riding his motorcycle, and spending time with family.

SaraSara Fiocchi, DVM
Diplomate ACVIM (Oncology)

Dr. Sara Fiocchi has been working in veterinary hospitals since 1998. She earned her DVM degree from the University of Illinois and completed an internship in Small Animal Medicine and Surgery at Texas A&M. The personal loss of two of her own pets to blood cell cancer (one to leukemia and the other to lymphoma) drove Dr. Fiocchi to specialize in oncology. Dr. Fiocchi's main interests include preventative medicine, nutrition / supplementation and improving the quality of life of her patients and their families. She can be found at many of the pet-related fundraisers in Orange County and Los Angeles, where she teaches pet owners about the importance of early detection of cancer. Dr. Fiocchi is a member of the Veterinary Cancer Society, the American and Southern California Veterinary Medical Associations, and has volunteered with the Humane Society's Remote Area Veterinary Services. She completed her residency in July 2008 after which she was hired as a full-time staff doctor. In early 2011, Dr. Fiocchi authored an article accepted for publication, which includes results of one of the clinical trials offered by Veterinary Cancer Group. She passed the last of her required examinations in July 2011, after which she was awarded board certification in medical oncology with the ACVIM.

JBF kitty Julie Bulman-Fleming, DVM
Diplomate ACVIM (Oncology)

Born in Vancouver, British Columbia, Canada, Dr. Julie Bulman-Fleming attended the University of British Columbia for her bachelor's degree in animal biology. Next it was on to Saskatoon, Saskatchewan where she attended the Western College of Veterinary Medicine and developed her interest in oncology. After graduating in 2007 with her DVM degree with great distinction, she moved east across Canada and did a rotating internship in small animal medicine, surgery and critical /emergency care. Dr. Bulman-Fleming crossed the border back to the West Coast and joined Veterinary Cancer Group as a medical oncology resident in August 2008. She completed the three-year program in early August 2011. Dr. Bulman-Fleming had fulfilled the requirements of the board certification one month earlier by passing her examination with the ACVIM and as such was awarded diplomate status in medical oncology. Her areas of interest include client education, palliative care and the role of the immune system in cancer development and treatment. Julie's personal interests are rock climbing, mountain biking, snow boarding and travel.

AvenelleAvenelle Turner, DVM
Diplomate ACVIM (Oncology)
Dr. Turner was born in Colorado Springs, Colorado and has always known she wanted to be a veterinarian.  She attended Colorado State University and graduated with a Bachelor of Science in microbiology in 1997, and then graduated from Colorado State University, College of Veterinary Medicine in 2000. Dr. Turner then completed a one-year internship in small animal medicine and surgery at Garden State Veterinary Specialists in NJ. This was followed by a comprehensive three-year residency in medical oncology at Gulf Coast Veterinary Specialists in TX. She completed board certification and became a Diplomate of the American College of Veterinary Internal Medicine in 2005. After completing her residency, Dr. Turner returned to the east coast and was the head of the oncology service at Fifth Avenue Veterinary Specialists, a prestigious referral practice located in New York City. Her heart was always drawn to clinical research and practicing medicine at an innovative cancer center and so in March 2010, she relocated to Los Angeles, California after having accepted her current position at Veterinary Cancer Group.  She is currently the lead investigator of multiple clinical trials.

Dr. Turner has authored numerous publications and manuscripts.  She has been interviewed by national magazines and blogs. She speaks regularly to the local veterinary community and general public and enjoys educating both veterinary professionals and pet owners. Dr. Turner's professional interests are lymphoma, clinical research, comparative oncology, chemotherapy, metronomic therapy and palliative care.  She also supports a combination approach to cancer care, utilizing both eastern and western principles. Dr. Turner works regularly with holistically trained doctors to meet the needs of her patients. Dr. Turner's primary focus is to provide the best possible care to pets with cancer.  She believes in a bond-centered practice and delivers medical care along with compassion. Improving and providing a good quality of life for her patients is her top priority.  Dr. Turner feels strongly that the treatment should not be worse than the disease itself.

Dr. Turner resides in Santa Monica, California with her long-haired dachshunds, Sookie and Romo, and her dilute tortoiseshell cats, Zumi and Bedee.  In her free time, she enjoys exploring Southern California, wine tasting, traveling, reading and yoga.

David BommaritoDavid Bommarito, DVM, MS
Diplomate ACVR (Radiation Oncology)
Diplomate ACVIM (Oncology)
The newest associate to join the Veterinary Cancer Group team is double-boarded oncologist Dr. David Bommarito. His addition gives our Tustin location the distinction of having the only full-time, on-site Veterinary Radiation Oncologist in Orange County. Dr. Bommarito grew up in Southern California and attended UC Berkeley for his undergraduate education. He graduated from Berkeley in 2001 and began his veterinary education at UC Davis. He earned his doctorate in veterinary medicine in 2005 and was subsequently accepted into a one year internship at Cornell University. In 2006, Dr. Bommarito began his radiation oncology residency training at the University of Missouri and in 2008 he became board certified with the American College of Veterinary Radiology in radiation oncology. He continued his education at the University of Missouri with a three year medical oncology residency and masters degree program, which was completed in 2011. While in Missouri, Dr. Bommarito had a hobby farm and enjoyed working with his goats, chickens, cows and horse. Dr. Bommarito is happy to have returned to his hometown, and now resides in Southern California with his family.

Holistic Veterinarians / Complementary Medicine.

DrBoyerJoAnn M. Boyer, DVM, CVA, AVCA
(acupuncture, chiropractic)
A specialist in alternative veterinary therapies, Dr. Boyer is the driving force behind Veterinary Cancer Group's innovative holistic medicine offerings, including herbal medicine, animal chiropractics and acupuncture. After graduating from Virginia-Maryland Regional College of Veterinary Medicine, she completed her internship in the South Bay area. There Dr. Boyer practiced small animal general medicine and surgery before completing her training with the International Veterinary Acupuncture Society and her certification through the American Veterinary Chiropractic Association. In her free time she enjoys running, agility training with her dogs and attending flea markets.

DrMahaneyPatrick Mahaney, VMD, CVA
(acupuncture, holistic supplements)
Dr. Patrick Mahaney joined Veterinary Cancer Group, Los Angeles in December 2010. A University of Pennsylvania School of Veterinary Medicine alumni, Dr. Mahaney then went on to become certified in Veterinary Acupuncture. His experience combining traditional veterinary practice with Eastern wisdom and treatment modalities over the years made him a natural fit for many of Veterinary Cancer Group's patients. Pets afflicted with cancer often benefit from holistic supplements to help strengthen their systems, and acupuncture has been a staple for patients dealing with any discomfort or other conditions that may develop as diseases progress. Dr. Mahaney strongly believes that many canine and feline ailments can be better managed by incorporating both Western and Eastern treatments. In addition to caring for our cancer patients, Dr. Mahaney is available at our Culver City office for patients needing acupuncture for non-cancer related ailments. Dr. Mahaney resides in West Hollywood with his Welsh terrier, Cardiff (who even has his own blog!). They both enjoy canyon hiking and running on the beach.

Registered Veterinary Technicians and Veterinary Assistants.

In a collaborative and caring environment, our skilled veterinary oncologists are supported by a talented team of highly trained individuals specializing in oncology. Adept at using our state-of-the-art equipment and technology, our staff provides an exceptional level of patient care, as well as emotional support to patients' families.

Client Care Specialists.

As the first point of contact, our Client Care Specialists are dedicated to making sure our clients and patients feel comfortable and welcomed. Our Client Care Specialists are here to support patients and their families throughout the treatment process with prompt answers, straightforward information and compassionate respect.

back to top