Independent Specialists

Eric Linnetz,DVM,ACVIM

staff                                         Western Connecticut Veterinary Specialty Services

Though born in New York, Dr. Eric Linnetz primarily grew up in Bristol and Burlington, CT and graduated from Lewis Mills High School in 1990. He attended Cornell for both undergraduate and veterinary school and attained his veterinary degree in 1997. After an internship and four years in private practice in the greater Boston area, he completed a three year residency at the University of Illinois College of Veterinary Medicine, enabling him to achieve board certification with the American College of Veterinary Internal Medicine as a specialist in small animal internal medicine. In 2007, Dr. Linnetz founded Western Connecticut Veterinary Specialty Services, a mobile veterinary ultrasound practice, through which he provides abdominal ultrasound, echocardiography, and case consultation to veterinary hospitals across the western half of the state. He travels with Dexter, his black lab mix, from lower Fairfield county up to the greater Hartford area. Dr. Linnetz lives with his wife, Doria, and two young sons, Cameron and Elliot. In his free time he enjoys family hikes, skiing, summer trips to Maine, and cooking (especially smoking and grilling). With a little more free time, he hopes to resume playing soccer and to finally learn to play the guitar.


Jonathan Goodwin, DVM, DACVIM (Cardiology)

Dr. Goodwin

Dr. Goodwin specializes in Interventional Cardiology Services, including implantation of pace makers, closing abnormal vessels with self-expanding devices, angiography to visualize vascular defects, and balloon valvuloplasty to open narrowed vessels in the body.

Dr. Goodwin offers comprehensive consultations and complete cardiac evaluations utilizing radiography, color flow Doppler echocardiography, electrocardiography, 24 hour ambulatory electrocardiography (Holter) monitoring, and cardiac event recording in the diagnosis and management of patients with all forms of congenital and acquired heart disease. 

Dr. Goodwin received his veterinary degree from Tuskegee University. He completed his internship in 2000 at the Coral Springs Animal Hospital, and then went on to complete a cardiology residency at Purdue University from 2005 to 2008. Dr. Goodwin is a Diplomate of The American College of Veterinary Internal Medicine (Cardiology). 


Ulrike S. Reinisch, DVM  

Ulrike S. Reinisch

Born and raised in Massachusetts, Dr. Reinisch earned her Veterinary degree from Tufts University School of Veterinary Medicine in 1991.  She started her training in animal behavior as a doctoral student at the Ludwig-Maximilians University in Munich, Germany, where she completed her internship in small animal medicine.  Dr. Reinisch returned to the United States where she completed a residency in clinical animal behavior at  UC Davis School of Veterinary Medicine in California.  She worked as a behavior consultant in a private veterinary referral hospital in New Jersey before moving back to Connecticut.  

As a behavior consultant Dr. Reinisch's approach differs from a trainers general approach to behavioral issues.  While a trainers focus is on teaching pets how to act,  Dr. Reinisch first seeks to understand the underlying emotional and physical reason for the unacceptable behavior.  She will then work to change behavior by altering the way your pet feels about problem situations. 

Dr. Reinisch has successfully treated hundreds of pets with behavioral issues, and has experience managing all types of problem behaviors in small animals. By helping you to understand your pet's problem behaviors and teaching you how to change them in a non-confrontational fashion, she strives to improve your bond with your pet and your pet's quality of life. 

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Philip Pacchiana, DVM, MS, DACVS (Orthopedic/Specialty Surgery)

Cutting Edge Veterinary Surgery, PC

Originally from Connecticut, Dr. Pacchiana attended veterinary school at the University of Minnesota College of Veterinary Medicine. 

Phil Surgery

Upon graduation he completed a general internship in medicine and surgery at the Oradell Animal Hospital in NJ and a surgical internship at Dallas Veterinary Surgical Center in TX.  Dr. Pacchiana then returned to the University of Minnesota for a three year residency in small animal surgery, during which time he also completed his Masters of Science degree in veterinary surgery, anesthesia and radiology. 

Upon completing his residency Dr. Pacchiana practiced at several 24 hour specialty and referral hospitals in and around New York City.  He was Chief of Surgery for 8 years at Manhattan Veterinary Group & Fifth Avenue Veterinary Specialist.  He has also held several other leadership positions, including that of Medical Director, has spoken on the national level and has 20 publications to his credit.

Dr. Pacchiana is a Board Certified Veterinary Surgeon and has maintained his certification with the American College of Veterinary Surgeons since 2003.  He has performed thousands of orthopedic, soft tissue and neurosurgical procedures and has experience in treating almost all surgical conditions in dogs and cats.  Dr. Pacchiana stays current on new techniques and procedures and only recommends surgeries that he would perform on his own animals.  He makes sure that each animal under his care receives exceptional care from first exam to last check up and his philosophy is simple - he treats his patients as if they were his own pets.

"I have always practiced veterinary medicine with the knowledge that we veterinarians are very lucky people.  I can't imagine doing anything else!"

Dr. Pacchiana


ocallaghanDr. Jill O’Callaghan (Acupuncture)


Dr. Jill O’Callaghan is a Connecticut native. She grew up in New Canaan, CT and graduated from Wake Forest University in North Carolina with a degree in Biology in 1997.

She then attended Kansas State University where she received her D.V.M. degree in 2002. Upon graduation she worked at a small animal hospital in New London for seven years before joining the Yalesville staff in August 2009.

Her clinical interests include internal medicine, surgery and acupuncture. She is a certified veterinary acupuncturist through the International Veterinary Acupuncture Society.

Dr. O’Callaghan is also an adjunct faculty member at Middlesex Community College, where she teaches part-time in the veterinary technology program. She shares her home with her husband, children and a dog named Maggie.


Ann Bourke, DVM, Avian Veterinarian

Ann Bourke

Northeast Bird Clinic

Dr. Ann Bourke is a licensed, experienced avian veterinarian based in Ashford, CT.  She attended Cornell University and received her veterinary degree from Tufts Veterinary School in 1990.  Dr. Bourke became interested in avian medicine while attending veterinary school, thanks to exotics specialist Dr. Gretchen Kaufman and opened Northeast Bird Clinic, an avian exclusive housecall practice, in 2007.  She is certified as an Avian Specialist by the American Board of Veterinary Practitioners ( ABVP).  Dr. Bourke stays on top of the latest advances in veterinarian technology and above all, remembers that all animals and pets need to be treated with loving care at every check-up, procedure, or surgery.  She is committed to educating her clients on how to keep their avian pets healthy and happy year round, with good nutrition, exercise and mental stimulation.

Dr. Bourke accepts appointments one day a week, here at Yalesville Veterinary Hospital and is able to perform both well and sick exams, laboratory panels, radiographs, and surgery. She shares her home with 3 dogs, 17 birds and chickens, and raises Soay Sheep. Her outside interests include travel, knitting and photography (especially birds ).

To schedule an appointment with Dr. Bourke please call us at Yalesville Vet (203) 265-1646