All Pets Animal Hospital and 24 Hour Emergency Care

Is this your veterinarian?

24221 Kingsland Boulevard
Katy, TX 77494

Driving Directions

(281) 392-7387


  • Hours:
  • Mon-Fri: 7:00am - 8:00pm
  • Sat: 7:00am - 3:00pm

At All Pets Animal Hospital & 24 Hour Emergency Care, our mission is to treat your pets with the same love and quality care that we would our own.  We are an AAHA accredited hospital offering excellence as the standard of veterinary care 24/7/365.  Our professional team is tenured and is passionate about caring for your pets, and supporting the human-animal bond.  We provide a diverse group of services and offer the latest technology to promote overall patient health, so contact one of our caring professionals today to learn more or to schedule an appointment for your pet.

All Pets Animal Hospital and 24 Hour Emergency Care Services

  • 24-Hour Animal Hospital
  • Anesthesia
  • Bathing
  • Behavioral Medicine
  • Birds (Avian Medicine)
  • Blood Transfusions
  • Boarding
  • Conditioning
  • Dental Care
  • Emergency and Critical Care
  • Endoscopy
  • Fully Stocked Pharmacy
  • Grooming
  • Hospice and Euthanasia Services
  • House Calls
  • Laboratory
  • Laser Therapy
  • Microchipping
  • Nutritional Counseling
  • Pain Management
  • Parasite Prevention and Control
  • Puppy and Kitten Care
  • Rabbits and Small Mammals
  • Radiology (X-Rays)
  • Rehabilitation
  • Reptiles
  • Senior Care
  • Surgery
  • Ultrasound
  • Vaccinations
  • Wellness Exams

All Pets Animal Hospital and 24 Hour Emergency Care Staff Profiles

Patrick Choyce, D.V.M.

Medical Director
Dr. Patrick Choyce is a 1983 graduate of the Texas A&M University College of Veterinary Medicine. He also completed his undergraduate studies at Texas A&M in Animal Science. Upon graduation, Dr. Choyce practiced for three years as an associate in small and large animal practices before moving into emergency medicine. After practicing for 5 years in emergency practice and daytime relief practices, Dr. Choyce opened All Pets Animal Hospital on Mason road in March 1990. After 21 years, he moved the practice to the current location and new modern facility on Kingsland Boulevard.

Although his family is from Houston, his dad was a naval aviator, so Dr. Choyce grew up all over the United States. Besides enjoying veterinary medicine as his profession, Dr. Choyce enjoys spending time with his wife Dodie, children, and family. The Choyce's pet family includes a Tuxedo short hair cat "Groucho" and two Burmese cats"Charlise" and "Sky", 2 African grey parrots "Georgie" and "Flatop", an Eclectus parrot "Bailey", and a cockatiel "Lovie". He also cares for foster and rescue dogs including his awesome wheelchair Chihuahua Indy. Dr. Choyce also enjoys working out, cycling the MS 150 tours, camping, backpacking, playing guitar, singing, studying Spanish, participating in youth and mission activities at church, and volunteering for service work to several organizations.
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Sarah Neaderhouser, D.V.M.

Dr. Sarah Neaderhouser grew up in the area between College Station, Texas, and Katy, Texas. After she graduated from Katy High School, she completed a Bachelor of Science degree in Biological Sciences at the University of Cincinnati, where she also attended graduate school and studied care ecology as well as molecular and population genetics. Dr. Neaderhouser achieved her Doctorate of Veterinary Medicine from Texas A&M University in 1999. Her specific veterinary interests include exotic animal medicine as well as emergency and critical care.

Dr. Neaderhouser can often be found enjoying her Montgomery County home with her family, consisting of her husband, three children, four dogs, four cats, one bird, and numerous fish. She is an avid reader and enjoys music (voice and cello) and gardening.
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Sarah M. Heineman, D.V.M.

Dr. Sarah Heineman is a 2009 graduate from the Texas A&M University College of Veterinary Medicine and received a Bachelor of Arts degree in Biology from Hendrix College, located in Conway, Arkansas. She worked as a small animal practitioner in San Antonio prior to joining the All Pets Animal Hospital team.

Dr. Heineman is originally from California, but grew up in Humble, Texas. In her free time, she enjoys the beach, live music venues, and dance/musical theater, as well as hiking, camping, exercising, and reading. Dr. Heineman also enjoys spending time with her friends, family, her Italian Greyhound, Giselle, and her blind Shih Tzu, Ray Charles.
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