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  • Chelsea Douglas
    Meet Chelsea Douglas! She has been with us since January 2016. Chelsea has her own petting zoo pretty much. She is owned by 4 dogs, one of which is a tripod, a one-eyed horse name Banjo, a barn cat and some chickens! When not tending to her farm full of pets she enjoys Aggie football, shooting her bow and hanging with her friends and family.
  • Jose Lopez
    Is a native of Tyler and has been working with animals since 1991. In 2003, he joined Dr. Lancaster at Tyler Veterinary Center. Jose and his wife, Veronica, have 4 children and are very active with their church. When away from the clinic, Jose enjoys spending time with friends and family.
  • Rick Rivera
    Moved from California to Texas in 2007 where he began working at Tyler Veterinary Center. He brings 20 plus years of experience with him. He is married with triplet sons who are very active in the American Sign Language community. When he isn't at work, Rick enjoys spending time with his friends and family.
  • Gabriel Barrios
    Gabriel Barrios is one of our technicians and has been with us for about 5 years. He has a passion for travelling the world has been to Spain, Canada, Argentina, China, and Portugal. When not travelling, Gabe is very active in his church, loves spending time with friends and family, especially with his nieces and nephews, and spending time with his chickens.
  • Jose "Junior" Arroyo
    Jose 'Junior' Arroyo has been with us since September of 2015. We call him Junior because we have another employee named Jose as well :). Junior and his wife, Sarahi, have a precious little girl name Adalyn who keeps them both pretty busy. When not at work, Junior enjoys spending time with his family, playing just about any kind of sport, and playing the base guitar.
  • Abraham Castellano
    He came to us in September of 2016 and we are happy to have him. You will typically see Abraham when dropping off or picking up your pet. Abraham has a one-eyed chihuahua named Brownie that he has had for about 12 yrs. When not at work, Abe enjoys playing just about any type of sport, he is a big Dallas Cowboys fan, and loves eating and trying new food!
  • Jamie Oliver
    Office Manager
    Worked at Tyler Veterinary Center from 2000 to 2003 and now is back with us again! She and her husband, Mike, have three daughters; Kaleigh, Madelyn and Kiera. Jamie shares her home with her papillon, Jax and Harley, who is an 'all American' mixed breed. She also has Mavis, who is her feline landlord :-). Her interests include reading, listening to music, spending time with friends/family and relaxing on the beach... which never happens =)

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Office Hours

Our Regular Schedule

Open Monday - Friday, closed weekends.


7:45 AM-5:30 PM


7:45 AM-5:30 PM


7:45 AM-5:30 PM


7:45 AM-5:30 PM


7:45 AM-5:30 PM