Ethan Morris, DVM
Director of Surgery and Owner of the Veterinary Referral Center of Northern Virginia
Dr. Ethan Morris was born and raised in Lyndhurst, Ohio which is a northeastern suburb of Cleveland. He is the third son of a family of four boys. After finishing high school at University School in Cleveland in 1989, he attended Tulane University in New Orleans, LA. While attending Tulane he worked at the Audubon Zoo. It was that experience that reinforced his enthusiasm for a career in veterinary medicine. At Tulane he received a Bachelor of Arts in Classical History and a minor in Biology. After graduating from Tulane in 1993 he attended Tufts University School of Veterinary Medicine.
As a veterinary student at Tufts he was exposed to many facets of veterinary medicine. He worked at the school’s pig farm and worked in the Small Animal Intensive Care Unit as a technician.
After graduating from Tufts in 1997, he was accepted for a one-year Small Animal Surgery/Medicine/Emergency Internship at the Darien Animal Hospital in Darien Connecticut. After successfully completing the internship he was accepted for a three-year surgical residency at the University of Minnesota Veterinary Teaching Hospital. During his time at the University of Minnesota he was trained in orthopedic, neurological, and soft tissue surgeries.
He published one of the first peer-reviewed papers on tibial plateau angles in dogs, Comparison of Tibial Plateau Angle in Dogs with and without Cranial Cruciate Injuries (Journal of Veterinary Medicine Volume 218, No.3, February 1, 2001).
After successfully finishing his surgical residency in July 2001, he accepted a position with Dr. Bradley at the Veterinary Surgical Referral Practice—now the Veterinary Referral Center of Northern Virginia—in Manassas, Virginia.
Dr. Morris has special interests in cranial cruciate injuries, thoracic surgery, and juvenile hip dysplasia. He regularly attends veterinary continuing education conferences.
Dr. Morris lives in Warrenton, Virginia with his wife Carla and their three children Cameron, Sawyer, and Eli, and their yellow Labrador Mac and German Shepherd Ezra. During his free time Dr. Morris enjoys spending time with his family, driving his classic car and playing golf.
Juan Sardinas, DVM, DACVS, DECVS
Dr. Sardinas was raised in Miami and graduated college with a B.S. degree from the University of Miami. He received his veterinary doctorate degree from the University of Minnesota. He went on to complete an internship at the University of Missouri, and his surgical residency at Tufts University & Angell Memorial Animal Hospital in Boston.
Dr. Sardinas has also been a faculty member at the University of Zurich, Switzerland. While at Zurich Dr. Sardinas led two international veterinary oncology conferences. He has been an active member of the ACVS, and recently was on its examination committee. He is boarded by the American College of Veterinary Surgeons (ACVS) and the European College of Veterinary Surgeons (ECVS).
His particular interests include surgical oncology and orthopedics.
Dr. Sardinas lives in Clifton with his wife and four children. He has two Labrador Retrievers Jack & Jill, a Poodle mix named Phoebe, and a cat named Olivia. He enjoys spending his free time with his family, traveling, reading and golfing.
James “Jay” G. Coisman, DVM, MS, DACVS-SA
Dr. Coisman grew up on a small farm in rural upstate New York. After high school he enlisted in the Marine Corps and served four years on active duty and several years in the Marine reserves. In 1999 he graduated from the University of Central Florida with a Bachelor of Science degree in Biology and a minor in Molecular and Microbiology. During his first year as a veterinary student he was awarded an Army Health Professions Scholarship and commissioned into the Army Veterinary Corps.
In 2004 Dr. Coisman earned his Doctorate of Veterinary Medicine from the University of Florida and return to active duty military service as a clinical intern at the Department of Defense Military Working Dog Veterinary Services in San Antonio, Texas. He served as Officer in Charge of the Moody Air Force Base Veterinary Treatment Facility and Chief of the Fort Shafter Branch Veterinary Services.
Dr. Coisman returned to the University of Florida, College of Veterinary Medicine and completed a residency in small animal surgery and a Master’s degree in Clinical Sciences in 2013. He attained board certification in the American College of Veterinary Surgeons in 2015. Subsequently he has served as the Deputy Commander of the 218th Medical Detachment Veterinary Services Support (MDVSS) at Fort Lewis, Washington; in Afghanistan in support of the 72nd MDVSS as the theater clinical specialist; as a clinical instructor and referral surgeon at the Fort Belvoir Veterinary Center; and Chief of Animal Medicine, Veterinary Services Branch, Defense Health Agency.
His particular interests are in minimally invasive, trauma, and oncologic surgery, wound management, and sports medicine.
Dr. Coisman lives in Stafford with Natalie, his wife, and their four children Olivia, Kira, Adyson, and Sawyer, Belgian Malinois Betty, German Shephard Tonka, and Shar Pei Mater. In addition, they have a large menagerie of chickens, rabbits, and goats. He enjoys spending his free time with his family, running, and serving at church and 4H.
American College of Veterinary Surgeons
- Frequently Asked Questions
- Post-Operative Instruction Videos
- Post-Operative Instructions
- Anal Sac Adenocarcinoma in Dogs
- Anal Sac Disease
- Cervical disc disease
- E-Collars and Your Pet
- Elbow Dysplasia
- Feline Megacolon
- Femoral Head Ostectomy (FHO)
- Fibrocartilaginous Embolization
- Fracture Repair
- Gall Bladder Disease and Biliary Obstruction
- Gastric Dilatation-Volvulus
- Joint Arthrodesis
- Laryngeal paralysis
- Mass Removal (subcutaneous cancer)
- Medial Patella Luxation (MPL) (kneecap slipping)
- Osteochondritis (OCD) of the Hock
- Parathyroid Gland Tumor
- Perianal Fistula
- Perineal Hernia in the Dog
- Portosystemic Shunt (Liver)
- Soft Tissue Surgery
- Thoracic Surgery
- Thoraco-Lumbar Intervertebral Disc Disease in the Dog
- Tibial Plateau Leveling Osteotomy (TPLO)
- Total Ear Canal Ablation and Bulla Osteotomy
- Tracheal collapse
- Triple Pelvic Osteotomy (TPO) (hip dysplasia)
- Veterinary Surgeons