Our radiology service is dedicated to the relief of animal suffering by the accurate identification and staging of disease. A multitude of diagnostic services such as ultrasonography, myelography, urinary imaging (excretory urography, cystography, urethrography, retrograde vaginourethrography), gastrointestetinal contrast studies (grastrography, upper GI, barium enema), thoracic and orthopedic special positioning images, computed tomography, and MRI scans are offered. All disciplines of diagnostic imaging are intended to add insight into diseases of endocrine, gastrointestinal, urinary, oncological, neurological, respiratory, and infectious origin.

Lenore Anderson Mohammadian, DVM, MSpVM

Diplomate, American College of Veterinary Radiology 

Dr. Mohammadian is the chief of radiology at CVS. She is trained in diagnostic imaging including radiographs, ultrasound, contrast studies, nuclear medicine, computed tomography (CT) and magnetic resonance imaging (MRI), with a special interest in cancer imaging and minimally invasive biopsies. 

Prior to joining CVS, Dr. Mohammadian completed her residency in Diagnostic Radiology and a Master's in Specialized Veterinary Medicine from North Carolina State University. She worked in general practice prior to her residency, and also completed a rotating internship in a small animal medicine and surgery at the Emergency Animal Hospital and Referral Center in San Diego. 

Dr. Mohammadian earned her Doctorate of Veterinary Medicine from Cornell University. She also holds a Bachelors of Arts in Biochemistry from Bowdoin College.

David Proulx, DVM, MSpVM

Diplomate, American College of Veterinary Internal Medicine, Oncology
Diplomate, American College of Veterinary Radiology, Radiation Oncology

Dr. Proulx is head of radiation oncology and a member of Angel Care Cancer Center at California Veterinary Specialists (CVS). His areas of expertise within oncology include both medical and radiation oncology. Prior to joining CVS, Dr. Proulx completed a small animal internship at North Carolina State University. After completing a medical oncology residency in 2003 and a radiation oncology residency in 2005, also at North Carolina State University, he earned board certification as a specialist in medical oncology and radiation oncology. During this training Dr. Proulx also earned a Master's Degree in Specialized Veterinary Medicine.

Dr. Proulx earned his Doctorate of Veterinary Medicine from Tufts University. He holds a Bachelor of Science from Tufts University and lived in Kenya for two years as a Fulbright Scholar. 

Chelsea Kunst, DVM, DACVR

Diplomate, American College of Veterinary Radiology 

Dr. Kunst is a board-certified veterinary radiologist working at our Murrieta and Ontario locations. Before joining CVS, she completed her veterinary Diagnostic Imaging residency at Michigan State University after obtaining her Bachelors of Science from UCSD and her veterinary degree from Kansas State University. Dr. Kunst spent a year at Mississippi State University where she completed a rotating internship.


Dr. Kunst has an appreciation for all types of imaging but developed focal interests in PET-CT imaging and CT screening. She enjoys lecturing and sharing her passion for radiology.

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Andrew Fox, DVM

Diplomate, American College of Veterinary Radiology

Dr. Fox is a newly graduated diagnostic imaging resident for the Ontario location. Prior to joining the CVS family, he completed his residency at the University of Georgia Veterinary medical teaching hospital. Dr. Fox is originally from NY, where has attended the Cornell College of Agriculture and Life Sciences, before moving on to veterinary school at Ross University. His journey continued with clinical experience at Texas A&M university, which preceded a one-year rotating internship in small animal medicine and surgery at the Louisiana State University veterinary teaching hospital.

Dr. Fox has cultivated a special interest in ultrasonography and computed tomography, especially regarding contrast-studies of the urinary tract in canine patients. He enjoys spending time outdoors with his two dogs (Junior and Foxy Cleopatra), and enjoying the beautiful California weather.