About Necropsy Services Group

William L. (Bill) Spangler DVM, PhD

Diplomate, American College of Veterinary Pathologists

NSG (Necropsy Services Group) was founded by Dr. Bill Spangler in 2008 to fill a previously unmet need in veterinary medicine and to provide a complete necropsy service to veterinarians, pet owners and the legal services.

A cause of death determination is oftentimes integral to the often costly and emotionally trying management of a pet’s terminal disease. Knowledge of the underlying pathology associated with the death of a veterinary patient often provides emotional closure for the pet’s owner as well as offering valuable retrospective information to the veterinarian who managed the case. With this in mind, NSG is in a unique position to provide professional necropsy examination. NSG uses ACVP board certified pathologists in those cases of sudden and unexplained death of a pet resulting from natural causes, aging, toxicity, trauma or death following routine surgical procedures that ordinarily result in successful long term outcomes. This service is not meant to supplant the necropsy examinations performed as an integral part of the routine practice of veterinary medicine, nor is it intended to expose malpractice, but to provide for an objective evaluation of the cause of death in a variety of circumstances routinely encountered in the practice of veterinary medicine. NSG provides a highly personal, professional and comprehensive service to veterinarians and pet owners who want to know why their patient/companion has died.

Dr. Spangler has a long term interest and experience in the pathology of pet animals. While an owner and Director of Pathology at CVD Inc. (1981-1996), he provided forensic pathology services to the County District Attorney’s office in cases of animal cruelty and to police units whose canine officers died in the line of duty. He provided on-demand necropsy examination to over a thousand veterinary practices in Northern California and pioneered the collection and diagnostic examination of whole organs (amputations and spleens) to ensure accurate and representative sampling of large surgical specimens.

Dr. Spangler graduated from the University of Missouri College Of Veterinary Medicine in 1969, followed by a 3-year tour of duty in the U.S. Army Veterinary Corps. He received a Ph.D. in Comparative Pathology in 1975 from the University of California, Davis and was board certified in anatomic pathology the same year. He then taught in the veterinary school at U.C. Davis for the following 4 years. During this time at U.C. Davis, he was primarily responsible for the pathology of an experimental colony of 800 aging Beagles. In 1979, he established VPC Inc., a pathology consulting laboratory in Davis and, in 1981, co-founded CVD Inc. in Sacramento, where he eventually directed the activities of 12 anatomic and clinical pathologists providing laboratory services to veterinarians in California, Nevada, Oregon, Washington and Hawaii. Dr. Spangler is the author or co-author of 60+ publications, most of which are relevant to canine clinical medicine and impact the surgical prognosis given in canine biopsy reports covering a variety of pathology.