map and address 242–01 Jamaica Ave., Bellerose, NY 11426 Directions (718) 347–1057 or (516) 922–5850

Meet the Caring Veterinarians & Staff
at Bellerose Animal Hospital


Mariliz Hernandez, DVM
Mariliz Hernandez, DVMDr. Mariliz Hernandez is the Owner of Bellerose Animal Hospital, she has been a senior Veterinarian here for the past 9 years and purchased the Hospital in January of 2014. Dr. Hernandez is committed to maintaining the high level of medical care Bellerose is known for, as well as well as making some exciting improvements to the facility.

Dr. Hernandez has set very high standards for herself and expects the same from her entire team. She has surrounded herself with the best clinicians, technicians and support staff to ensure that every patient receives the very best medical care and attention.

Born and raised in Puerto Rico, Dr. Mariliz Hernandez attended the University of Puerto Rico, Arecibo, where she earned her bachelor’s degree in microbiology. As a student, she earned a deep-sea diving certificate, which allowed her to pursue research on the diseases of the coral reef. Dr. Hernandez received her Doctorate of Veterinary Medicine from the College of Veterinary Medicine at Tuskegee University in 2002. After graduation, she worked in private practice in Queens, New York, before joining the Bellerose Animal Hospital veterinary team in November 2006.

With professional interests in surgery, internal medicine, and dermatology of dogs and cats, Dr. Hernandez enjoys practicing general veterinary medicine and surgery. Fluent in Spanish, she loves interacting with people and helping her clients and their pets. This personal commitment, evidenced in her interest and caring, brings warmth and compassion to her medicine, which her clients love.

Dr. Hernandez is married to Dr. Rick Guzman, Owner of Assisi Veterinary Hospital, located in nearby Malverne, NY, on Long Island. Together they have 2 beautiful children. The family likes to spend their time with their pets. They include Jet, a Great Dane; Tito, a Chihuahua, Bruno, a Bulldog mix, Harley and Scratch, two male cats, all of whom are rescue animals.

Fascinated by the beauty of the sea, Dr. Hernandez’s undergraduate interest in saltwater fish continues in her home, where she maintains a 200-gallon coral reef tank. She also enjoys traveling to the Caribbean for vacations, sightseeing, and visiting her family.
Tania Dejoie, DVM
Tania Dejoie, DVMDr. Tania Dejoie, was born and raised in Brooklyn, NY and first expressed her love for animals volunteering at the ASPCA. She received her Bachelor of Science degree in Animal Science from Cornell University in 2007, then continued on to complete her Veterinary Medicine degree in 2012.

Following graduation, she was accepted into a year long small animal rotating internship at Veterinary Emergency and Referral Group in Brooklyn. She rotated through internal medicine, surgery, oncology, emergency, cardiology, ophthalmology and neurology services. The internship allowed her to develop her professional interests in internal, preventative and emergency medicine.

Tania is happy to be back home in New York City. In her free time, she enjoys going to the beach, knitting, singing, playing guitar and spending time with her dog, Old Man Copper, and her fiancé.
Sarah Garretson Granzin, DVM
Sarah Garretson Granzin, DVMDr. Sarah Garretson Granzin received her Doctorate of Veterinary Medicine from The Ohio State College of Veterinary Medicine in 2009. Following graduation, she was selected to complete a 13 month rotating internship at Oradell animal hospital in Paramus, NJ. This internship allowed for concentrated training in emergency, critical care, internal medicine, surgery, and oncology. Dr. Granzin went on to general practice in Manhattan for three years. She has been a staff doctor at our sister hospital, Assisi Veterinary Hospital in Malverne, NY, prior to her return to Bellerose Animal Hospital this September. Her professional interests include emergency and internal medicine, infectious disease, and preventative care. She has a goldendoodle named Luna!
Christine Taddeo, DVM
Dr. Taddeo was born and raised in Queens New York. She received her Doctorate of Veterinary Medicine from Cornell in 2007. Following graduation she completed a rotating small animal internship at Oradell Animal Hospital in New Jersey. Here she received advanced training in multiple specialties including internal medicine, emergency medicine and surgery. Dr. Taddeo has practiced on Long Island for the past 7 years and is thrilled to be a part of the exceptional team at Bellerose Animal Hospital. Her special interests include internal and emergency medicine and she has a particular affection for our feline companions. She lives with her husband, two children and two cats. As a veterinarian and a mother she finds it particularly rewarding to raise her children with a deep love and respect for all creatures.
Jackson Chen, DVM
Jackson Chen, DVMDr. Chen was raised in Huntington Beach, California. He attended University of California at Berkeley for his undergraduate work and majored in integrated biology. After completing his bachelor's degree, he went on to earn a master's degree in laboratory animal science from Hahnemann University in Philadelphia, PA before attending Ross University School of Veterinary Medicine.

Upon completing his education in 2004, Dr. Chen went on to do an internship at Long Island Veterinary Specialty Hospital in Plainview. During his internship, he rotated through emergency, oncology, ophthalmology, dermatology, internal medicine and surgery before going on to practice at a small animal hospital in Halesite, NY. Dr. Chen then joined the staff at our Sister Hospital, Assisi Veterinary Hospital in Malverne, NY. Dr. Chen will now be available to our clients, at Bellerose Animal Hospital, a few days a week.

We are excited to announce that Dr. Chen will be providing Eastern holistic medicine, which includes Acupuncture treatments and Chinese herbal supplements along with general medicine and surgery. Dr. Chen is Certified to perform examinations for those pets traveling internationally and provide all necessary medical documentation.

Dr. Chen enjoys every aspect being a Veterinarian and has a special interest in ophthalmology and surgery. At home, he has a young son named Tyler and a geriatric mixed breed dog named Maximus who he rescued from the Island of Saint Kitts. He also enjoys doing home improvements, cooking, and gardening as well as skiing, snowboarding, working out, and playing basketball and softball. Dr. Chen also speaks fluent Mandarin!
Priscilla J. Whittington, DVM
Dr. Priscilla J. Whittington earned a Doctor of Veterinary Medicine from the University of Missouri, and also completed a post‐doctoral program at New York Medical College, as well as a Masters of Public Administration from Bernard Baruch College.

She practiced companion animal medicine in private practice for over 30 years, owning three practices of her own over a 23 year period, as well as managed animal welfare nonprofit organizations, enjoying both jobs immensely.

Dr. Whittington has five adult children, who had 32 pets while growing up!!, but currently has a dog and two cats.

Veterinary Consultants

Justin M. Goggin, DVM, DACVR, Veterinary Radiologist
Justin M. Goggin, DVM, DACVR, has been board-certified in veterinary radiology since 1998. He received undergraduate and veterinary degrees with distinction from Cornell University. He completed an internship in small animal medicine and surgery and a radiology residency at Kansas State University, with additional residency training at UC Davis and Colorado State University. His practice in northern New Jersey provides radiology consultation and diagnostic ultrasound imaging services for general practitioners and specialty referral practices.

His special interests include diagnostic radiology, ultrasound, CT, MR neuro and musculoskeletal imaging, and radioiodine therapy program for hyperthyroid cats. Dr. Goggin has authored multiple peer-reviewed veterinary journal articles, contributed to several textbook chapters, and provides continuing education training and lectures to veterinarians on topics in radiology. He evaluates and provides interpretations of diagnostic images transmitted electronically to him from patients imaged at our practice. Dr. Goggin enjoys biking, canoeing, and hiking.
Dr. Eric DeRose, Veterinary Cardiologist
Dr. Eric DeRose received his Doctorate of Veterinary Medicine from Kansas State University School of Veterinary Medicine. He completed an internship with Veterinary Specialist of South Florida in Cooper City, Florida, and then went on to his residency in veterinary cardiology at Red Bank Veterinary Hospital in Tinton Falls, New Jersey. Dr. DeRose is especially interested in treatment and management of congestive heart failure due to chronic valve disease or endocardiosis. This remains the most common form of acquired heart disease in dogs, and he strives to improve the quality of life for animals affected by this disease.
Philip Pacchiana, DVM, MS, DACVS, Veterinary Surgeon
Philip Pacchiana, DVM, MS, DACVSOriginally from Connecticut, I attended veterinary school at the University of Minnesota College of Veterinary Medicine in St. Paul, MN.
Upon graduation, I completed a one-year general internship in medicine and surgery at the Oradell Animal Hospital in Oradell, NJ and a one-year surgical internship at the Dallas Veterinary Surgical Center in Dallas, TX.
I returned to the University of Minnesota for a three-year residency in small animal surgery, during which time I also completed a Masters of Science degree in veterinary surgery, anesthesia, and radiology.

American College of Veterinary Surgeons
American College of Veterinary Surgeons

I sat and passed the certifying examination of the American College of Veterinary Surgeons in 2003 and have maintained board-certification since that time. Upon completing my residency, I practiced at several 24-hour specialty referral hospitals in and around New York City. I was Chief of Surgery for 8 years at Manhattan Veterinary Group &Â Fifth Avenue Veterinary Specialists and also held several other leadership positions, including that of Medical Director of the hospital.
In addition, I enjoy public speaking and have spoken on many occasions at national and local meetings. I also enjoy research and have nearly 20 publications to my credit.
I have performed thousands of orthopedic, soft tissue, and neurosurgical procedures, and have experience in treating almost all surgical conditions in dogs and cats.


Hospital Manager
Kyle Olsen

Kyle Olsen is the manager of Bellerose Animal Hospital. Kyle has more than 20 years of experience in customer service and general management. As the manager of Bellerose Animal Hospital, he is responsible for ensuring the success and growth of the practice while maintaining the highest quality of medical care and customer service standards for our patients and clients.

Kyle has standardized our policies and operating procedures, which has elevated the level of service we are able to provide our clients. He oversees our daily operations and has helped to create a progressive and positive environment for patients, clients, and our employees. Kyle developed our advanced training and cross-training programs and helped create job descriptions and work positions that are unique to Bellerose Animal Hospital, all of which has streamlined our daily operations and greatly improved our efficiency. He is extremely customer focused and works tirelessly to ensure you and your pet have a rewarding experience at Bellerose Animal Hospital.

When Kyle is not at the hospital, he enjoys the outdoors, especially the beach and spending time with family and friends. His constant companions are two Brussels Griffons and a very demanding French bulldog named Gigi.
Veterinary Technicians
Veterinary TechniciansOur veterinary technicians are chosen through a rigorous selection process and become part of our team based on their attention to detail, intuitive awareness of veterinary medicine, and their desire to continue learning throughout their career. They provide 24-hour veterinary medical care on procedure days. Our technicians are anxious to work with you to better understand your pet’s medical needs. They are always available to answer questions, provide education, and make your experience at Bellerose Animal Hospital superior.

Michelle Duffy, LVT Supervisor
Anita Fenielloy, LVT
Ninette Roberts, LVT
Kaitlyn Tullio, LVT
Alejandra Gallardo, LVT
Athena Ojeda, LVT
Veterinary Assistants
Veterinary Assistants

Jacqueline Negron, Aide Supervisor
Fritz Cyriaque, Radiology Aide Supervisor

Christine Smith
Judith Garcia
Maria Martinez
Lauren Rahamut
Office Staff
Remya Nathan
Nicole Buysse
Maria Martinez
About Us
Veterinarians & Staff
Hospital Tour
Fee & Payment Schedule
Useful Forms

I love this place. Both of my dogs go here. The staff is always very nice! The doctors are amazing and take the time to explain everything to you about your pet.

The staff at Bellerose has treated our family’s pets continuously since 1963. I cannot say enough about the excellent care that our pets have received from their professional, caring staff. They have treated 2 dogs and 7 cats during the last 49 years for everything.

COMPASSIONATE STAFF.I was fairly charged for all the loving care. HIGHLY RECOMMENDED.

friendly atmosphere, easy to get to location and a great staff—been going here for years and highly recommend it! The best decision I ever made! Unquestionably one of the best veterinary practices in the world!All of the vets here are fantastic.

Loretta was a very special dog who had a good life with us and we had a good life too. My husband and I believe that your hospital and caring staff made her quality of life exceptional. Thank you all.

I would also like to take this opportunity to tell all of you how grateful I am for your many years of dedicated medical care to my beloved Spunky. It’s been 16 years, 5 months, and 7 days of wonderful service and loving concern and I will always love you for it!
Very Sincerely Spunky’s Mom
Lorraine Abrams

We need you to know we will always be grateful you helped give our Fredo and us so many happy years together.
Many, many thanks,
Carol and Maria

I wanted to thank you for everything that you did for my “baby”. You are such a great vet and I will be forever grateful for everything you do for me and MJ.

We loved Missie very much as she loved us for ten years. She was a member of our family. We needed the little time left to us to talk to her, pet her, comfort her and express our love for her.

We would like to take the opportunity to say how we are pleased at the service Sammy receives at your facility. Especially for Dr Mariliz Hernandez, she is a great asset to your hospital. We appreciate the care and understanding Dr Hernandez shows Sammy at the time of his exam.
Sal and Gloria Carbone

Because of people like you...thank you for all you do. Without the entire Staff, I would not have had Barney for as long as I did. You gave him all of your experience and love, everytime he needed you all.
I cannot express my thank you’s enough
Tom Ball

We continue to offer our patients all of the advantages and resources of a large teaching hospital with the individualized care and compassion of a progressive family practice.