Casey Kohen, DVM, DACVECC
Emergency & Critical Care Specialist
Dr. Casey Kohen is a Northern California native, who received a BA in psychology from UC Santa Barbara in 2003. He spent several more years in Santa Barbara after college, working in a 24 hour veterinary emergency and specialty hospital much like MarQueen Pet Emergency and Specialty Group.
Dr. Kohen graduated from UC Davis Veterinary School in 2012, finishing at the top of his class and was awarded the UC Davis School of Veterinary School Medal for academic honors. He completed a small animal rotating internship at North Carolina State University where he earned the Outstanding Intern Award.
Dr. Kohen returned to UC Davis in 2013 and completed a small animal emergency and critical care residency, and became board certified by the American College of Veterinary Emergency and Critical Care in 2016.
Following his residency, Dr. Kohen joined the UC Davis Small Animal Emergency and Critical Care Service as an Associate Veterinarian where he trained veterinary students as well as emergency interns and residents. He has also been with MarQueen 24 hour veterinary hospital and specialty group since 2015 as one of MarQueen’s board certified critical-care and emergency specialists.
Dr. Kohen has spoken at veterinary continuing education events both in Northern California and nationally and enjoys helping his colleagues in veterinary emergency hospitals as well as general practice. MarQueen is open 24 hours a day for veterinary referral hospitals and Dr. Kohen is one of our specialist on call to assist our emergency doctors as needed. He is also available most days to help our referral veterinarians with any question or potential emergency transfers.
Dr. Kohen’s professional interests include fluid therapy, respiratory emergencies, point-of-care ultrasonography, and cardiopulmonary resuscitation. Dr. Kohen also is passionate about providing exceptional patient care to critically ill and injured patients and has strong interests in supporting emergency veterinarians and technicians to achieve those goals.
Rebecca Harrod, DVM
Dr. Rebecca Harrod completed her undergrad in biological sciences at U.C. Davis and was accepted into the prestigious U.C. Davis School of Veterinary Medicine. She graduated in 2001 and was awarded the Gentle Doctor Award by her classmates for compassion toward animals and clients. She also completed an externship at the Marin Humane Society prior to completion of veterinary school. Dr. Harrod is a member of the American Association of Feline Practitioners. She has a special interest in emergency critical-care and in feline medicine. After 16 years of practicing veterinary medicine for a busy and highly-regarded veterinary hospital, Dr. Harrod was confirmed as a daytime emergency doctor at MarQueen Veterinary Emergency and Speciality Group to work alongside internal medicine specialists Dr. Erica Queen and Dr. Ann Della Maggiore.
Nicole Ulhaq, DVM
Dr. Ulhaq grew up in Southern California where she completed her Bachelors of Science degree in Animal Science at California Polytechnic University. She began working in veterinary medicine at a young age and continued to work in the field through the completion of her DVM degree at the University of California, Davis in 2013. Dr. Ulhaq’s areas of special interest include dermatology, internal medicine, radiology, and surgery.
Anne McDonald, DVM
Dr. McDonald is a Sacramento native that grew up with dogs and cats in her family. She also has a love of horses and would spend as many days as possible with them. The love she had for these childhood dogs, cats, and horses along with her desire to help them inspired her to become a veterinarian.
After completion of her undergrad at the prestigious Stanford University, Anne was accepted into the equally prestigious UC Davis School of Veterinary Medicine and graduated in 2008. After completion of an internship in southern California, Dr. McDonald then spent a year overseas with her husband practicing veterinary medicine together. Upon her return to California Dr. McDonald joined a small animal emergency hospital in Los Angeles County. While she had many veterinary interests, Dr. McDonald is an exceptional emergency doctor with the ability, presence, and grace to handle difficult cases, including surgery, internal medicine, and endoscopic foreign body retrieval.
Laura Bernal, DVM
Dr. Bernal grew up in San Diego, California. She moved to the north end of the state for her undergraduate education. She completed a double major in Animal Science and Music with an emphasis on trumpet performance at U.C. Davis. Laura graduated summa cum laude in 2005. She then went on to attend the U.C. Davis School of Veterinary Medicine and graduated with highest honors in 2009. Following graduation she worked at a high volume emergency veterinary hospital in Fairfield, California, in addition to several specialty clinics in and around the Bay area. Dr. Bernal's professional interests are centered around emergency and critical care, specifically pain management, transfusion medicine, and surgery. Her many years of experience in emergency medicine have allowed her to excel in treating critical patients as well as communicating with and comforting owners.
Dr. Agnieszka Wolfson was raised in the beautiful country of Koszalin, Poland where she would spend every opportunity and vacation at her grandparent's large animal farm. Her love for cows, pigs, dogs, cats, and many wandering animals provided her with her dream of being a veterinarian one day.
Agnieszka first attended University of Warmia and Mazury in Poland where she obtained her first doctorate degree in veterinary medicine. Soon thereafter, she came to Davis, California where she completed her undergraduate degree in Veterinary Science. Dr. Wolfson was then accepted into U.C. Davis School of Veterinary Medicine where she completed her second doctorate degree in Veterinary Medicine. In pursuit of an internship, Dr.Wolfsen moved to Maryland in 2013 and completed a one-year rotation. She then continued to practice in a large-specialty hospital in Washington D.C.
In 2017, Aggie returned back to Northern California where she eventually was accepted into the MarQueen Specialty and Emergency Group. Agnieszka is married to her physician husband (human medicine) and three wonderful children. In her spare time, if any, she enjoys running,
cross-fit, organic gardening, mountain climbing, camping and watching documentaries.
"Aggie is a wonderful doctor with a wealth of knowledge behind her and MarQueen is happy to have her as part of the group." - Dr. Peter Walsh
Ashley Pearson, DVM
Dr. Ashley Pearson was raised with dogs and her tortoise in Los Angeles, California. She obtained her B.S. in Biology at U.C. Santa Cruz and spent a lot of her time collecting data on the elephant seals during her time there. She went on to receive her degree in veterinary medicine from Western University of Health Sciences in Southern California. Dr. Pearson then completed an internship at Atlantic Coast Veterinary Specialists in Long Island, New York. It was there that she realized her passion for emergency medicine, and has continued to work as an emergency doctor since finishing her internship. The wide range of complex cases and camaraderie that is developed working alongside referral hospitals and colleagues solidified her decision to move to California and continue as an emergency doctor within the talent at MarQueen Veterinary Emergency and Specialty Group