Kirk Sholes, D.V.M.

Dr. Sholes joined the O'Neill Veterinary Clinic in October 1987. He grew up on a ranch south of Inman attending O'Neill Public High School and graduated from the Iowa State University College of Veterinary Medicine in May 1986. After a year of practice in a mixed animal clinic at Plainview, Nebraska, he moved back home to O'Neill as a mixed animal practitioner at our clinic. Dr. Sholes' veterinary interests include bovine and equine practice. He especially enjoys equine reproduction and dentistry. Professional memberships include the American Association of Equine Practitioners and the American Association of Bovine Practitioners. Dr. Sholes and his wife, Karen, have five children.


Bodie belongs to Dr. Sholes.  He comes to the clinic every day and is eager to meet everyone at the door!

Nate Dierks, D.V.M.

Dr. Dierks joined the practice in May of 2016 after receiving a bachelors degree in Animal Science from the University of Lincoln and graduating from Iowa State University College of Veterinary Medicine.  He grew up on a ranch northeast of Bartlett. He is married to Chelsey, who will be graduating in December from the UNMC PA program. Dr. Dierks is an active member of the O'Neill Volunteer Fire Department.  His veterinary interests include bovine practice and reproduction.

Melissa Dykshorn, D.V.M.

Melissa is a part-time, associate veterinarian that started at the clinic in February 2019. You will find her at the clinic on Tuesdays, Fridays, and every third Saturday. Melissa grew up on a diversified farm between Page and O'Neill. She attended undergraduate at the University of Nebraska-Lincoln and completed veterinary school at Iowa State University. Melissa earned her DVM in 2011 and practiced in Gothenburg, Nebraska until joining our clinic. Melissa is married to Jon and they have four children, Hank, Lila, Jack, and Emmitt! In her free time she enjoys cooking, camping, and working on the family farm.

Sandi Colman - Veterinary Technician

Sandi is the senior tech and has been with the clinic since 2005. Sandi and her husband Chad, a farrier, live in O’Neill and are raising their three children Cody, Taylor and Wyatt. In her spare time she enjoys spending time with her family, hunting, and traveling with her kids to watch them compete.

Hannah Connealy-Office Manager

Hannah joined the clinic in December of 2016 after graduating from Southeast Community College with an associates degree in Business and Accounting.

Sarah Stracke- Veterinary Technician

Sarah grew up in Chambers, NE and graduated from the Veterinary Technician Program at NECC in Norfolk in 2017. She moved back to the area and joined the clinic in May of 2017. In her spare time she enjoys spending time with her husband Tyler and their son.

Sarah Mahony- Groomer and Veterinary Technician 

Sarah joined the clinic in February 2012. She grew up on a ranch/farm in Ravenna, NE and she graduated from the Nebraska College of Technical Agriculture in Curtis, NE as a veterinary technician. After college she moved to O'Neill and married Curt Mahony. In her free time she enjoys working with Curt on their family ranch.  Curt and Sarah have three children.  She is currently part time at the clinic to spend more time with her growing family.

Nicole Beed- Veterinary Technician

Nicole graduated from Northeast Community College with a veterinary technician degree in 2018. Outside of work Nicole enjoys helping on her family's ranch.

Office Hours

8:00 AM - 12:00 PM
1:00 PM - 5:00 PM

8:00 AM - 12:00 PM


To help us serve you better, please call in advance for an appointment

Contact Information

Telephone: (402) 336-3883
Fax: (402) 336-3994

Postal Address
PO Box 804
O'Neill, NE 68763

Street Address
49178 873rd Road
O'Neill, NE 68763