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Mid-Valley Veterinary Hospital was purchased by Dr. Jerry Aguiar on July 1, 1981. The staff consisted of a receptionist and one part-time kennel person. The first receptionist was the one who painted the four murals throughout the office. Throughout the years this office has had the privilege of employing some extraordinary people – many of which are still occasionally seen at our office.

Dr. Michael Karle started as an associate veterinarian in August of 2001 and became a partner with Dr. Aguiar in January of 2003.  Dr. Karle purchased the practice from Dr. Aguiar on September 1, 2013.  Our practice has evolved to serving our community needs in companion and dairy/beef animal medicine.  We try very hard to distinguish ourselves in the community as hard working, compassionate, clean, organized, fair, and on the cutting edge of technology.   We work hard but make a real effort to enjoy ourselves at the same time.


   Jerry Aguiar, D.V.M.      

Dr. Jerry graduated from the U.C. Davis School of Veterinary Medicine after completing his Bachelor of Science degree from Chico State.  He started Mid-Valley Veterinary Hospital on July 1st 1981, and he has been here ever since.  Dr. Jerry loves to start his week with large animal appointments, but enjoys working in the office with all of the small animals too.

Outside of the office Dr. Jerry loves to spend time with his wife of 44 years, his 3 children, and 8 grandchildren.  He also enjoys photography, especially landscape photography.

   Mike Karle, D.V.M.

Dr. Karle graduated from the UC Davis School of Veterinary Medicine in 1999 after completing a Bachelor of Science degree.  He then moved to Tulare, CA and joined a dairy cattle exclusive practice for two years before moving to Orland.  Dr. Karle specializes in dairy and beef cattle but enjoys working on any food-producing animal.

Dr. Karle is involved in many veterinary and non-veterinary related activities.

He has been the Chair of the California Veterinary Medical Association’s Agriculture Committee since 2005 and is a member of several of their other committees.  He is a contributor to the teaching programs at the UC Davis School of Veterinary Medicine and CSU Chico and enjoys having pre-veterinary and veterinary students during internships and externships.  He is a member of national veterinary and animal organizations including: AABP, ADSA, AVMA, NMC and SFT.

Outside of work, he is a volunteer leader in the county 4-H program and a local school board member.  He enjoys spending time with his wife and kids, especially doing outdoor activities and improving their property.

   Kate Smith, D.V.M.

Dr. Kate graduated from the U.C. Davis School of Veterinary Medicine in 2013 after completing her Bachelor of Science degree.  While in veterinary school, Dr. Kate rotated through our practice as a student.  She then moved down to Turlock, working for a full-time dairy practice. Dr. Kate started at Mid-Valley Vet Hospital in June 2015.  She works on food-producing animals as well as companion animals.

Dr. Kate enjoys helping out in local community events and working with our interns.  While not at the office Dr. Kate enjoys spending time with her husband and new baby girl.  She also enjoys playing fetch with her Border Collie “Teton” and gardening.

   Melissa Garrod-Van Laningham, D.V.M.

Dr. Melissa graduated from the U.C. Davis School of Veterinary Medicine in 2003 after completing her Bachelor of Science degree.  She started working for Mid-Valley Veterinary Hospital in October of 2015.  Dr. Melissa works both out in the field on farms, as well as in the hospital on companion animals.

Dr. Melissa is very involved in her local community and loves leading her 4-H Sheep Project.  She also is on the California Veterinary Medicine Association’s Agricultural Committee, and she is on the California Wool Growers Board of Directors.

Dr. Melissa loves spending time with her husband and three boys.  She enjoys chasing her boys around and attending their sporting events.   She also raises sheep and loves listening to audiobooks. 

Kallie Graham, D.V.M.

Dr. Kallie graduated from the U.C. Davis School of Veterinary Medicine in 2013 after completing her Bachelor of Science degree from Chico State.  While in veterinary school, Dr. Kallie spent two weeks here during her senior year.

Dr. Kallie staring working Monday and Tuesdays at Mid-Valley Veterinary Hospital in December 2017.  She focuses on companion animals in the clinic.

Dr. Kallie enjoys spending time with her husband and raising their two children.  She also owns and operates a small cow/calf operation.  Dr. Kallie is also teaching an Veterinary Practices class at Chico State.  She enjoys outdoor activities like camping and fishing, as well as curling up with a good book.


  Crystal (assistant)

  Ellie (assistant/ business manager)

Grazia (kennel staff)

Hailee (kennel staff)

Lacey (kennel staff)

  Lori (assistant)

  Maddy (kennel staff)

  Mandy (assistant)

  Marie (registered veterinary technician/ inventory and lab manager)

  Mikaela (receptionist/front office)

  Nicole (lead registered veterinary technician)

  Rosie (client relations manager)

Wanda (receptionist/front office)

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