Meet Our Team
V. John Ludmerer, DVM
Dr. Ludmerer “Dr. John” is the owner of Orchard Grove Animal Hospital. He graduated from Ross University School of Veterinary Medicine in 1997, completing his 1 year of clinical studies at Oklahoma State, and after practicing for 10 years opened his own practice here in beautiful Warwick, New York in 2007.
Dr. John is well known for his co
Dr. Ludmerer “Dr. John” is the owner of Orchard Grove Animal Hospital. He graduated from Ross University School of Veterinary Medicine in 1997, completing his 1 year of clinical studies at Oklahoma State, and after practicing for 10 years opened his own practice here in beautiful Warwick, New York in 2007.
Dr. John is well known for his commitment to providing outstanding, compassionate care with open communication with his clients. He is a lifelong resident of Greenwood Lake along with his wife and four children. He loves to golf, garden, and take care of his “daddy to do” lists! He truly is the heart and soul of our wonderful practice!
Christina Cassano, DVM
We are thrilled to welcome Dr. Cassano to Orchard Grove Animal Hospital, starting March 4, 2025!
Dr. Cassano earned her veterinary degree from Colorado State University and brings nearly a decade of experience in small animal medicine. She specializes in traditional veterinary care and is now expanding our services to include holistic med
We are thrilled to welcome Dr. Cassano to Orchard Grove Animal Hospital, starting March 4, 2025!
Dr. Cassano earned her veterinary degree from Colorado State University and brings nearly a decade of experience in small animal medicine. She specializes in traditional veterinary care and is now expanding our services to include holistic medicine, such as acupuncture, rehabilitation, and physical therapy.
Josh Kolbert, DVM
Kristen, Practice Manager
Dr. Kolbert is our newest addition to our Orchard Grove Family! He is a graduate of Ross University with clinical experience at Louisiana State University. Dr. Kolbert provides excellent patient care along with client education ensuring good quality of life for all our beloved clients.
In his free time, Dr Kolbert enjoys hiking, watching s
Dr. Kolbert is our newest addition to our Orchard Grove Family! He is a graduate of Ross University with clinical experience at Louisiana State University. Dr. Kolbert provides excellent patient care along with client education ensuring good quality of life for all our beloved clients.
In his free time, Dr Kolbert enjoys hiking, watching sports, going to the gym, and playing with his dog Loki.
Kristen, Practice Manager
Kristen, Practice Manager
Kristen, Practice Manager
Kristen, our Practice Manager and Surgical Coordinator, ensures seamless client experiences and a harmonious workplace. Her operational expertise optimizes workflow, empowering our team to focus on exceptional patient care, while she continuously enhances Orchard Grove for your pet's well-being. Kristen joined the OGAH family in 2015.
Kris
Kristen, our Practice Manager and Surgical Coordinator, ensures seamless client experiences and a harmonious workplace. Her operational expertise optimizes workflow, empowering our team to focus on exceptional patient care, while she continuously enhances Orchard Grove for your pet's well-being. Kristen joined the OGAH family in 2015.
Kristen resides in Goshen, NY, with her three lovely children and her dog named Lemon, along with three cats named Oakleigh, Mizzy, and Dagger.
Becca, Receptionist
Kristen, Practice Manager
Brittany, Receptionist
Becca joined the Orchard Grove Family in 2022. Becca is a vital part of our team as she is the first person you will meet when calling or walking into our office.
Becca's interests include walks in the woods with her dogs, Spinelli and Bird, and doing the evil bidding of her cats, Dinkleberg, Randy, and Tiny.
Brittany, Receptionist
Kristen, Practice Manager
Brittany, Receptionist
Brittany is the newest member of our Orchard Grove Family who joined us in December 2024. Brittany lives in Warwick with her family and graduated from SUNY New Paltz. On her free time she enjoys graphic designing and spending time with her dog River.
Kayleigh, Receptionist
Kayleigh, Receptionist
Kayleigh, Receptionist
Kayleigh joined the OGAH family in 2022. She currently lives in Monroe with her family and is pursing her dream of becoming a dental hygienist!
Renee, Technician
Kayleigh, Receptionist
Kayleigh, Receptionist
Renee has been with Orchard Grove since the first day (2007)! She comes with over 30 years of experience as a technician. She is passionate about client education and patient care; ensuring clients are well informed about their pet's health care journey.
Renee lives on a lovely farm in picturesque Sullivan County with her amazing husband P
Renee has been with Orchard Grove since the first day (2007)! She comes with over 30 years of experience as a technician. She is passionate about client education and patient care; ensuring clients are well informed about their pet's health care journey.
Renee lives on a lovely farm in picturesque Sullivan County with her amazing husband Pat. They have 2 dogs; Buck, Max and a cat named Weener. They also host a delightful mix of chickens and horses.
Amy, LVT
Kayleigh, Receptionist
Nicola, LVT
Amy is a Penn Foster graduate and brings a wealth of knowledge to our office. Amy has over 18 years of experience in the field with 6 years’ experience as a Vet Tech. Aside from patient education she strives to make visits a pleasurable experience for both clients and their pets.
Amy loves to spend time with her husband and two beautiful d
Amy is a Penn Foster graduate and brings a wealth of knowledge to our office. Amy has over 18 years of experience in the field with 6 years’ experience as a Vet Tech. Aside from patient education she strives to make visits a pleasurable experience for both clients and their pets.
Amy loves to spend time with her husband and two beautiful dogs: Gemma and Fozzie. Her favorite pastimes are reading and watching movies.
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Nicola, LVT
Gregory, Assistant
Nicola, LVT
Bio Coming Soon.
Monika, Assistant
Gregory, Assistant
Gregory, Assistant
Monika joined the Orchard Grove Family in 2023. She is a graduate of both SUNY New Paltz and Binghamton University with a master’s in biology and a focus on Ecology, Evolution and Animal Behavior. She brings a light to our Orchard Grove home and a smile to our client's and patient's faces and hearts. Monika is always willing to support he
Monika joined the Orchard Grove Family in 2023. She is a graduate of both SUNY New Paltz and Binghamton University with a master’s in biology and a focus on Ecology, Evolution and Animal Behavior. She brings a light to our Orchard Grove home and a smile to our client's and patient's faces and hearts. Monika is always willing to support her co-workers and make patients feel welcomed and loved and they love her right back!
Monika loves to spend her free time gardening, cooking, ice skating, arts and crafts, and spending time in nature,
Gregory, Assistant
Gregory, Assistant
Gregory, Assistant
Greg has been with Orchard Grove since 2022. His patience, kindness, and compassion are endless. He loves to see our patients’ tails wagging and clients smiling! A true asset to our OGAH family!
Greg lives in Warwick, NY with his family and loves to spend his time with his faithful companion Sig. You might catch a glimpse of them riding by in his family's Slingshot.
Ella, Receptionist
Ella joined the OGAH family in 2022. She is the daughter of Dr. Ludmerer! Ella is currently attending SUNY Delhi to pursue her dream of becoming a Registered Nurse.