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Dr. Ricarlos Guzman

Dr. Ricarlos Guzman is the founder and owner of Assisi Veterinary Hospital. Born in Brooklyn and raised in Queens, Dr. Guzman is proud to establish a hospital serving Long Island and our neighboring boroughs.

After graduating from Florida Southern College and completing his prerequisites at the University of Florida, he continued his education at Tuskegee University School of Veterinary Medicine. While completing his degree, Dr. Guzman participated in multiple externships including one at The Animal Medical Center in New York City.

After his graduation from Tuskegee University, Dr. Guzman participated in a fourteen month internship at the West Palm Beach Veterinary Referral Service. This internship was focused on surgery, internal and emergency medicine. Dr. Guzman also worked as a general practitioner in Long Beach, New York prior to founding Assisi in 2007. Also in 2007, Dr. Guzman received accredation from the United States Department of Agriculture to perform services in connection with interstate and international animal travel.

In addition to being a Veterinarian, Dr. Guzman enjoys spending time with his wife, whom he met in Veterinary School and is also a Veterinarian. Together, they have a wonderful baby boy, Ricarlos Saul and four other children, including two dogs; Jet, a Great Dane and Tito, a Miniature Chihuahua as well as two domestic shorthairs, Harley and Scratch. Dr. Guzman also cares for a 250 gallon salt water reef tank in his home.

Dr. Jackson Chen

Dr. 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 before joining us here at Assisi.

Dr. Chen enjoys every aspect being a Veterinarian and has a special interest in ophthalmology and surgery. At home, he has a 3 year old son named Tyler and a 10 year old 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!

Dr. Lehman was raised in nearby Atlantic Beach, NY. He completed his undergraduate degree in biopsychology at the University of Michigan, then went on the pursue his doctorate of veterinary medicine at Ross University. His clinical education was completed at the University of Pennsylvania School of Veterinary Medicine, in Philadelphia.


He returned to New York City in 2012 to participate in a rotating small animal internship at Blue Pearl Veterinary Partners before joining Assisi in Fall of 2013. He has a special interest in emergency medicine and surgery.


Dr. Lehman enjoys anything outdoors, including surfing, golfing, hiking, and camping. During the winter months he may be found in the mountains, at one of the many ski resorts in the northeast. Otherwise, you may spot him running with his 4 year old mixed breed dog, Olsen.

Dr. Jonathan Goodwin



Dr. Goodwin joined the Assisi staff in June of 2012. He received his veterinary degree from Tuskegee University. After graduating, 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). Dr. Goodwin is available by appointment only.

Maria Rodriguez


Maria came to Assisi with eleven years of experience as a Veterinary Receptionist as well as Reception Manager. She has loved animals since she was a child and found this to be a great field to work in after raising her four children. As our Office Manager, Maria really enjoys tending to our client's needs and seeing the smile on their face when they walk out our door. At home, Maria has three cats; Frankie and Ralphie, both domestic shorthairs as well as Oreo, a black and white domestic long hair. She also has a Pomeranian named Rocko.

Cathy Cunningham


Cathy came to Assisi with ten years of experience as a Veterinary Receptionist. She has a genuinely warm nature and loves working at an animal hospital because she enjoys helping pets and their people alike. She loves greeting our furry friends and answering owner's questions or helping them through the sometimes difficult times as well. In addition to working at Assisi, Cathy and her husband Eddie care for two dogs; a chocolate Lab named Katie and a black Lab mix named Carly. She also has two fabulous daughters and two feline grandchildren!

Nicole Rosano



Nicole has been working in the veterinary field for four years. She started as a Veterinary Receptionist in Lynbrook and because of her strong love for animals and desire to help people, she has chosen to continue in that role here at Assisi. She loves meeting all the clients that come into our office and making sure their pets are happy. At home, Nicole cares for two dogs; Dallas and Honey as well as two cats; Speed and Sonny. She also enjoys traveling, movies and relaxing with her dogs. In addition to working at Assisi, Nicole attends Nassau Community College where she is working toward a degree in social work.

Meredith Boudreau


Meredith came to Assisi with over twenty years of experience as a Veterinary Technician. She has worked at both general care facilities as well as specialty hospitals. Most recently, she worked in the oncology department of a specialty facility where she performed chemotherapy as well as assisted in surgery. Meredith really enjoys being able to make a difference in the lives of animals and especially enjoys nursing them back to health. At home, she takes care of two dogs; Finnegan, a Border Collie Mix and Savanah, a Catahoulah Leopard Dog. She also has three cats: a Ragdoll named Noodles, a Domestic Long Hair named Nikki, and the newest addition, a Domestic Short Hair kitten named Monkey!


Denisse Vertiz












Suzanne Danza



Suzanne came to Assisi with years of experience as a Veterinary Technician Assistant. She is extremely knowledgeable in various areas of animal health, especially holistic care, nutrition, and oral hygiene. At home, Suzanne cares for a Tri-Color Bearded Dragon and a Black Parti Pomeranian named Axel.


Lisa Group

Lisa joined the Assisi team in the Summer of 2010. Prior to joining Assisi, she graduated from SUNY Albany with a BA in Psychology and a minor in Biology, and worked in Human Resources for thirteen years. After devoting her weekends for four years volunteering at an animal shelter, Lisa realized she wanted to help animals full-time and went back to school at Suffolk County Community College to attain her degree in Veterinary Science Technology. This allowed Lisa to earn her license as a Veterinary Technician and she has had a career in the field for two years now. She started as a Veterinary Assistant at BrightHeart Veterinary Referral & Emergency Center and also completed two internships at general practices. Lisa's favorite part of her job is being able to make a difference in the life of a sick or injured animal. She also enjoys reading, traveling and caring for her dog Troy, a seven year old mixed breed.

Olivia Howard


Libby has worked in the veterinary field for over eight years. Her career began in the kennel department of another hospital and she was promoted to Technician Assistant upon joining the Assisi team. Libby has always had a special place in her heart for our four legged friends and especially loves when all the baby kittens are born in the spring and come into the hospital. In addition to working at Assisi, Libby also attends Hunter College where she is studying for her Bachelors of Science Degree. At home, Libby cares for six cats as well as one dog. She also offers pet-sitting services in her spare time!

Kristin Casey



Kristin has worked with animals since 2000 when started volunteering at the age of twelve. She joined Assisi as a member of our kennel team in 2009 and was promoted to Kennel Manager in 2012. Kristen is a true asset to the hospital. Her favorite part of working in the hospital is of course, the animals, as well as learning new things everyday. She also loves making our furry friends visit an enjoyable one and sending them home happy, healthy, and smelling fresh and clean! A big animal lover, Kristen has had dogs since she was a baby and currently, her family cares for five of them; Sandi, Remy, Magnus, Lady and Roxie! Outside of work Kristin enjoys hanging out with her friends and playing handball.

Dolly Ramirez



Dolly has been a member of our team since January of 2008. She has previous experience in both graphic design and customer service, but really wanted to work in the veterinary field because of her love of animals. Her favorite part of the job is playtime with our four legged guests, where she really gets to interact a lot and help them enjoy their stay with us much more. Growing up, Dolly had many pets, including dogs, cats, birds, hamsters, and turtles. Currently, she has a cat named Buddha. When she isn't working Dolly enjoys spending time with her daughter, Jadelyne and also likes to read and draw.


Olga Clemente




Olga has worked in the veterinary field for four years. She came to us from an animal hospital in Queens, joining our team in the Summer of 2010 and has continued doing what she loves to do; caring for animals. In addition to working at Assisi, Olga also takes care of her family and goes to school to study English.


Jennifer has been grooming since 2003, she started her career at Petco and then moved on to a private salon in Bellmore. From there, she worked at K-9 Ranch and Canine Styles in Manhattan before coming to Assisi. She has always loved animals as well as art and feels that with grooming she can combine her two passions. Jennifer is a patient and kind individual who loves being able to spend her day working with dogs and making sure they have a pleasurable experience. She also enjoys knowing people are happy with the results she creates with their pets. 

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