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Meet Our Doctors

Portrait of Sarah Bernat, VMD

Sarah Bernat, VMD

Dr. Bernat graduated from The University of Pennsylvania School of Veterinary Medicine.

VMD since 1998.

Dr. Bernat’s professional interests include surgery, ultrasound & internal medicine

Member of AVMA (American Veterinary Medical Association) AAHA (American Animal Hospital Association)NYSVMS (New York State Medical Society)

Portrait of Kimberly Parkhill, DVM

Kimberly Parkhill, DVM

Dr. Parkhill graduated from Ross University of Veterinary Medicine in 2006. She completed her clinical year at Purdue University. Dr. Parkhill’s professional interests include soft tissue surgery, oncology and exotic pets.

Portrait of Corey Biesinger, DVM

Corey Biesinger, DVM

Dr. Biesinger began his veterinary career as a Veterinary Assistant here at Green Acres while pursuing his Pre-Veterinarian degree from Medaille College. He then graduated from The Ontario Veterinary College in 2013. He has assisted in spay/neuter clinics in India and Thailand and plans to return in the near future. Dr. Biesinger’s interests include ultrasound, radiology, and surgery.

Hospital Tour

Our Policies


For your convenience, we offer “drop-off” appointments. A “drop off” means you could bring your pet at the time that works best for you and leave him/her with us for a couple of hours. Once the doctor has examined your pet, she/he will give you a call to go over the exam findings. You will then be instructed as to what time to pick up your pet.

For your protection and the safety of others, we require that pets be placed on a leash and properly controlled or in pet carriers while in the waiting room and exam room.


We accept a variety of payment options including Visa, MasterCard, Discover, and cash. We accept Wells Fargo and Care Credit pet health isurance.


AAHA Accredited

You’ve chosen a veterinary hospital that is accredited by the American Animal Hospital Association. Green Acres Animal Hospital is among only 14% of hospitals in the country who voluntarily go through a comprehensive, stringent evaluation every three years. We are evaluated on over 900 standards established to ensure our patients and clients receive the highest level of care.
Accredited practices must meet specific standards in the following areas:
  • Anesthesia
  • Client Service
  • Contagious Disease
  • Dentistry
  • Diagnostic Imaging
  • Emergency/Urgent Care
  • Examination Room
  • Housekeeping
  • Human Resources
  • Laboratory
  • Medical Records
  • Pain Management
  • Patient Care
  • Pharmacy
  • Practice Leadership
  • Safety
  • Surgery

We were awarded this accreditation status because we provide high-quality pet care in a compassionate environment.  Our standards are very high, and we are proud to offer this level of excellence to you. You can learn more about what our accreditation means for your pet family member at AAHA’s Healthy Pets website: Why Standards Are Important.

Our veterinarians are members of the Buffalo Academy of Veterinary Medicine. Organized in 1952 as a continuing education venture, since then, dedicated to educate it’s members beyond the academic environment. Along with these monthly meetings we give our veterinarians time away from the practice in order to attend a national continuing educational meeting.

Also members in New York State Veterinary Medical Society and American Veterinary Medical Association.