Bay State Veterinary Emergency Services

Meet the BSVES Specialists

Gary Block, DVM, MS, DACVIM

Board Certified—Internal Medicine

Gary BlockDr. Block completed his veterinary degree at Cornell University in 1991. He then completed an internship at Angell Memorial Animal Hospital in Boston in 1992. He obtained his residency training in internal medicine at Purdue University and became board certified by the American College of Veterinary Internal Medicine in 1994. Dr. Block pursued his interests in animal welfare and the human—animal bond by entering a degree program at the Center for Animals and Public Policy at Tufts University and obtained a master’s degree in 1997. Dr. Block is past president of the Rhode Island Veterinary Medical Association and the Society for Veterinary Medical Ethics. He is on the board of the Humane Society Veterinary Medical Association and the non-profit Companion Animal Foundation.

He is the father of two beautiful children, Elsa and Derek, and is happily married to his equally beautiful wife, veterinarian Justine Johnson. His "extended family" includes three horses, two goats, two dogs, three cats, and two tortoises—some of which his beautiful children actually help care for.


Justine A. Johnson, DVM, DACVECC

Board Certified—Emergency/Critical Care

Justine A. JohnsonDr. Johnson completed her veterinary degree at the New York State College of Veterinary Medicine at Cornell University in 1991. She completed an internship at the Santa Cruz Veterinary Hospital in California in 1992. After a few years doing general practice, teaching anatomy at a veterinary school, and completing a research project, she entered a residency program at Tufts University in the study of emergency medicine and critical care. She became board certified in this specialty in 1997.

Dr. Johnson has published several articles and textbook chapters on the topics of head trauma, nosocomial infections, and pain management. She has also lectured to veterinarians and technicians at regional veterinary conferences. She is an active member of the American College of Veterinary Emergency and Critical Care. She is the director of the internship and residency programs at OSVS.

Dr. Johnson enjoys riding her horse, planting (but not weeding) her garden, scuba diving, and other outdoorsy stuff. Most of all, she loves spending time with (but not cleaning up after) her husband (Dr. Gary Block of OSVS), two amazing children, and a menagerie of pets that includes horses, goats, dogs, cats, tortoises, and about 60,000 honeybees.


S. Christopher Ralphs, DVM, MS, DACVS

Board Certified—Small Animal Surgery

S. Christopher RalphsDr. Chris Ralphs graduated from the Cornell College of Veterinary Medicine in 1998. He then continued his training with a general internship at the Veterinary Referral and Emergency Center in Norwalk, Connecticut, and a surgical internship at Gulf Coast Veterinary Specialists in Houston, Texas. He completed his surgical residency at the University of Minnesota. Following his residency, Dr. Ralphs was in practice for three years at Pittsburgh Veterinary Specialists in Pittsburgh, Pennsylvania, before moving to Rhode Island. He enjoys soft tissue neurologic and orthopedic surgery and is trained in both the TPLO and TTA procedures for cruciate ligament ruptures.

On those days when he is not at work, Dr. Ralphs enjoys spending time with his wife and two daughters and exploring the outdoor pursuits in the area. They are glad to be back in the northeast where they can see their family and friends more often.


George S. Coronado, Jr., DVM, MS, DACVS

Board Certified—Small Animal Surgery

George S. CoronadoDr. Coronado completed his veterinary degree at the Texas A&M College of Veterinary Medicine in 1994. He then completed an internship at Purdue University in 1995. He obtained his residency training in small animal surgery at the Michigan State University College of Veterinary Medicine, where he received the resident of the year award in 1997, 1998, and 1999. He completed a master’s degree in 2000, and then worked as the staff neurosurgeon at the University of Wisconsin until joining the staff of OSVS in 2002. Dr. Coronado became board certified in small animal surgery in 2004. His surgical interests include surgical oncology and reconstruction, neurosurgery, and laparoscopic/thorascopic procedures. He is a member of the Society of Veterinary Soft Tissue Surgery, Veterinary Cancer Society, and International Veterinary Academy of Pain Management.

After a full day of work, Dr. Coronado enjoys his "quiet" time with his wife, two children, two dogs, and three cats. He enjoys bicycling, running, golf, and music. He is proud to be Texas born and raised, and he is a die-hard (Texas A&M) Aggie!


David Sweet, VMD, DACVS

Board Certified—Small Animal Surgery

David SweetDr. Sweet completed his veterinary degree at the University of Pennsylvania School of Veterinary Medicine in 1989 and stayed on there to complete an internship the following year.

He completed his small animal surgery residency training at the North Carolina State University College of Veterinary Medicine and became board certified by the American College of Veterinary Surgeons in 1994. He spent a year at Washington State University as a clinical instructor in small animal surgery, and then two years as an assistant professor of small animal surgery at the University of Pennsylvania.

Dr. Sweet joined the staff of OSVS in 2003. He was on the board of the Rhode Island Veterinary Medical Association (RIVMA) from 2004 through 2008 and served as its president in 2007. He was honored with the RIVMA Veterinarian of the Year award in 2008. He is currently on the board of directors of the Companion Animal Foundation and the Ocean State Animal Coalition. His clinical interests include pain management, soft tissue surgery, minimally invasive surgery, and oncologic surgery, including reconstruction techniques. His personal interests include tai chi, reading, and enjoying the company his children, who get smarter and more beautiful every day (thank goodness they take after their mom).


Susan M. Newell, DVM, MS, DACVR

Board Certified—Radiology

Susan M. NewellDr. Newell completed her veterinary degree at the University of Minnesota in 1989. She then completed an internship at the Angell Memorial Animal Hospital in 1990. Her residency training was obtained at the University of Georgia and she became board certified by the American College of Veterinary Radiology in 1994. She served as an Assistant Professor and Co-Section Head of Radiology at the University of Florida for five years before joining the staff of OSVS in 2000.

Dr. Newell has published numerous journal articles and has lectured on many topics in diagnostic imaging at veterinary schools and veterinary conferences. In her free time, she enjoys raising vizslas and border terriers, growing bonsai and gardening, and chasing little white balls around pretty grassy fields.


Paul Worhunsky, DVM, DACVIM

Board Certified—Internal Medicine

Paul WorhunskyDr. Paul Worhunsky graduated from Ross University in 2004 after completing his clinical year at Auburn University. He spent the next 2.5 years in general practice before moving on to a 1 year rotating small animal medicine and surgery internship at the University of Illinois. He then completed a 3 years residency training program in internal medicine at Cornell University. He moved into private specialty practice in Campbell, CA where he spent the next 3 years as a staff internist. He recently relocated to Rhode Island to join the team at Ocean State Veterinary Specialists.

Dr. Worhunsky’s interests include endocrinology and gastrointestinal disease.