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Jill with her horse




If you’re looking for intelligence and quick thinking, then let Jill Greisman manage your animal's health care. There isn't an animal on the farm that Dr. Jill won't treat, be it horse, cow, pig, or turkey Dr. Jill will sort out a solution quickly and efficiently. She is certified in acupuncture/manual manipulation and enjoys advising people on the best way to manage their farm health. When she isn't treating other people's animals she's riding one of her horses in summer shows.

Gabby with dairy cows
Dr. Gabrielle Wimmer
Associate Veterinarian


Dr. Gabrielle Wimmer is originally from Oneida, NY. She earned her bachelor's degree in Biology from Houghton College, where she also studied Outdoor Recreation and Equine Science. Throughout Veterinary School at Cornell, she worked at the Equine and Farm Animal Hospital and the Teaching Dairy as a student milker, breeder, and member of the calf care team. Dr. Gabby has many vet-med interests including calf care and small ruminant husbandry.


When she's not working, Dr. Gabby enjoys reading, hiking with her husband, and hanging out with her cats, Merry, Lucy, and Mr. Tumnus.

Alex with sheep
Dr. Alex Fitton
Associate Veterinarian


Dr. Alex is always ready and willing to treat every animal on your farm with exceptional care! A Hudson Valley native, she is thrilled to be back in upstate New York after completing her Doctorate of Veterinary Medicine and Bachelor’s of Animal Science at North Carolina State University in 2021. She has a background and interest in working with many animal species including: equine medicine, dairy cattle pharmacology research, and backyard poultry flock health.

In her spare time, Dr. Alex enjoys horseback riding and driving, and breeding Belgian d’Anver bantam chickens.

MK with llamas
Dr. Mary Kate Metch
Associate Veterinarian


Dr. Mary Kate Metch grew up and went to college in Virginia. She worked in small animal clinics before attending veterinary school at the University of Pennsylvania. Dr. Mary Kate quickly became interested in large animal medicine in vet school, particularly food animal medicine. Some other areas of interest include small ruminant parasite management and dairy production medicine, especially transition cow and calf management. Her favorite farm animals are goats, but also enjoys working with camelids!


We're lucky she got hooked on large animals and ambulatory medicine and relocated to New York with her husband and son. In her free time, Dr. Mary Kate & her family enjoy hiking, gardening, working on home renovations, and snowboarding.

Allie with chickens
Allie Bellair
Client Care Specialist


Allie graduated from Union College in 2020 with a degree in Chinese language and a minor in Mathematics. Shortly after graduating, she went back to school to finish up her pre-requisite courses to apply to veterinary school.


Although new to large animal medicine, Allie has quite a bit of experience working with small animals. When she isn't answering phones or working at a dairy barn, she loves to ride along with our vets as this is what she hopes to do one day!

In her spare time, Allie loves baking and playing with her kittens, Nami and Luffy.

Charly with her son and horse
Charly Youngs
Client Care Specialist

Charly graduated from Saint Rose with a Masters in Elementary Education and is certified in NYS to teach grades 1-6. After working in Cobleskill Richmondville Central School District for over 10 years, Charly left to be a stay at home mom to her son, Easton. When she’s not working with us or taking care of Easton, she’s running her small horse boarding facility. 


Charly has many animals including chickens, dogs, cats, horses, and fish! In her downtime she likes to read, run (for miles and miles!), and barrel race with her currently 1D horse, Possum, or relax with her retired horse, Fritz.

Nicole and her family
Nicole Mulhall
Client Care Specialist


Nicole recently joined the RVVS team in October 2022 and is our multitasker extraordinaire. She loves being able to serve the animal-loving community while working from home and being able to spend more time with her wife and kids. Nicole graduated with an associates degree in business, home-schooled her four children for a decade, and was a customer success representative for a start up company.


When she's not working, Nicole enjoys family time which is usually spent hiking, fishing, camping and being outdoors.


River Valley Veterinary Services is a veterinary practice in the Mohawk Valley. Founded in 2018 by Dr. Jill Greisman and Dr. Jessie Bolster, River Valley strives to provide the highest level of care to any animal you may have on the farm. We have an enthusiastic and caring team ready to respond to the growing needs of our community and their farm animals. Our professional team of experts are on duty 24 hours a day, seven days a week to serve the diverse needs of our clients.  Contact us today to set up an appointment for your animals.

Fence and field
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