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American Veterinary Hospital of Simi Valley American Vet Hospital located in Simi Valley and also serving the areas of Northridge, Chatsworth, Moorpark, and Thousand Oaks offers quality veterinary car for a variety of small animals. Dr. Luis Cruz, owner and veterinarian, has been practicing veterinary medicine since he gratuated from UC Davis in 1999. He has many years experience working in veterinarian emergency rooms and is sure to provide the best veterinary care for your pets.

American Vet Hospital of Simi Valley also has boarding facilities for your dog, cat or other small animal which are the perfect solution if you are going away fora few days on holiday or business. Visit our website for special offers or call our office at 805-581-9111 to schedule an appointment.
Served areas
  • Simi Valley, Moorpark, Northridge, Chatsworth, and Thousand Oaks.
Highlights and features
  • We are a full service veterinary clinic that also offers denistry and laser declaw.
Associations and certifications
  • AAHA
  • AVMA
Services
Services
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Services To give your pets the very best veterinary care, we are proud to offer the following services:

Allergies & Dermatology
Behavioral Counseling
Boarding
Dentistry
Diagnostics
Emergency Service
End of Life Care
Exotics
House Calls
Laser Surgery
Nutritional Counseling
Walk-Ins
Wellness & Vaccination
American Veterinary Hospital is proud to serve Simi Valley, CA and the surrounding communities. We are very excited about all of the services we can offer to you and your pets at our Simi Valley veterinary hospital. We strive to give your pets the very best veterinary care we can. We work hard to stay up to date with the latest medical advances so we can serve your pets the best that we can. We happily offer boarding services here at American Veterinary Hospital for Simi Valley, CA and the surrounding communities.
We are a full service hospital with a focus on personalized care. Ours is a family environment that care about each other, our clients, and our furry family members. Candidate must be outgoing and comfortable interacting with clients both in person and on the phone. Must have previous experience in a Veterinary clinic.
People
Dr. Cruz
Dr. Cruz
owner
Dr. Cruz is the owner of the American Veterinary Hospital. He graduated from the University of California-Davis in 1999. His special interests include small animal and exotic pet internal medicine and surgery as well as emergency medicine and critical care. Dr. Cruz brings to the American Veterinary Hospital many experiences from other hospitals, extracting only the best from each one of them. Some of Dr. Cruz's achievements include the completion of an avian medicine internship at Capri Plaza Pet Clinic under the supervision of the famous Max Weiss D.V.M. Dr. Cruz also completed externships at such prestigious locations as New York City's Animal Medical Center and the University of California-Davis School of Veterinary Medicine. Prior to acquiring the American Veterinary Hospital, Dr. Cruz spent five years as an emergency and critical care veterinarian at McClave Veterinary Hospital in Reseda.
Reviews (16)
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Melissa Goelz
Mar 12, 2022
I love this vet! They are always friendly, accommodating and the office is always clean. I have had 4 dogs with them as their vet and I recommend them highly.
Adrianna Borja
Oct 06, 2021
We were at the vet for over an hour. The wait was extremely long, and the process felt very rushed when they discussed things with us. When we finally received the invoice, it seemed like the vet added all of these extra items just to make extra money. We went for a simple ear infection and they tried to bill us $350 for testing, steroids, and all of these items that felt were not needed. Finally, our dog is a nervous dog, he has been through a lot with transitioning to a new country, and what dog likes the vet? Well, he suggested we had a nervous dog and they needed to muzzle him, and stated that we should be careful with him around children. Meanwhile, at our other vet he never needed to be muzzled, they were very transparent with the treatment process, it did not take an hour of our time. Also, our dog does great around kids & judging a nervous dog at the vet's behavior is unprofessional.
Brianna
Jul 29, 2021
Do not under any circumstances use this vet to care for any of your animals, especially guinea pigs, small animals or any other exotics they claim to be able to care for. My guinea pig Alfie had already been seen and established as a patient at this facility. I called them Friday the 23rd first thing in the morning to let them know my guinea pig had stopped eating overnight and was being syringe fed and was lethargic and asked to come in.

Anyone who knows anything about guinea pigs knows if they are not eating this is a medical emergency. I was told I could come in at 3:45 but there might still be a wait by Jennifer. I made the appointment and continued to care for my guinea pig at home. By noon I realized she was at the end of her life and since she was a very old guinea pig I called again and asked on the phone if we could please come in so she could be made comfortable, I specifically said “she is at the end of her life” to Ryan on the phone.

I was told the best they could do was 3:15. She died at 2pm.

Thankfully I had pain medication that my previous vet had given me for her. I had to leave my previous vet because we moved to this area. So I know she was as comfortable as she could be at home. I just wanted to bring her in that day so she could be humanly euthanized but now seeing how they treat patients I’m sure they would have messed that up too.

I was called again by Jennifer that day around 4pm and informed her of Alfies passing and that I had already called earlier asking for help. Then I get another call today from Megan asking to bring Alfie in for a check up.

THEY CANT EVEN UPDATE THEIR RECORDS CORRECTLY THEY WERE TOLD SHE PASSED AWAY ALREADY ON THE DAY SHE DIED. Thank you guys for helping with my mourning process by calling me and asking to bring her in for a check up. Where was that sense of urgency when I was asking for help? Do not ever bring your pets here. Drive all the way down to LA if you have to but do not come here.
Ellen Davis Althoff
Jul 18, 2021
Dr. Cruz at American Veterinary is a great Doctor. His diagnostic skills are the best. He is kind and compassionate. Best vet around. I highly recommend him to every furry, feathered, scaled, pet around. Oh and he is great for humans too, and explains everything and answers all your questions.
Michael McAdam
Jun 02, 2021
After 10+ years at another Vet in Simi Valley, we decided to give American Veterinary a try with our new pup. Dr Cruz and team were amazing at every visit with the new pup. Appointments were on time, staff were friendly and efficient with awesome customer service. Dr. Cruz is extremely caring, knowledgeable, and down to earth. Not once did we feel like just a transaction. Which was one of a few reason why we decided to switch vets. Overall, just a great experience.
Michael McAdam
May 24, 2021
After 10+ years at another Vet in Simi Valley, we decided to give American Veterinary a try with our new pup. Dr Cruz and team were amazing at every visit with the new pup. Appointments were on time, staff were friendly and efficient with awesome customer service. Dr. Cruz is extremely caring, knowledgeable, and down to earth. Not once did we feel like just a transaction. Which was one of a few reason why we decided to switch vets. Overall, just a great experience.
Sydney Bean
May 16, 2021
I was worried about my guinea pigs feet and wanted to make sure he didn't have any infections of some sort and I called the minute they opened. I wanted an appointment ASAP, the phone was immediately answered and they had no appointments available after I got off work, I was told they could call me if they got a cancellation for that day and we set up an appointment on Monday, just in case.

I received a call just an hour later saying they got a cancellation and could see my guinea later that day. They brought us in very fast, they were efficient, obviously knew what they were doing and how to handle it as needed. :D Definitely will be taking my animals here for any future visits they may need!
Erin Vanover
Jan 05, 2021
We love Dr. Cruz and the staff, as they treat our dog like she's their own. Even when she's very not happy to see them.
Karen Gagnier
Dec 30, 2020
I brought my rabbit in the be treated and was able to be fit in pretty quickly. Dr Cruz and his staff were very professional, compassionate and knowledgeable. The experience was very positive. I plan to bring my other animals here in the future.
Adam Goldstein
Aug 05, 2019
Dr Cruz is absolutely fantastic. Very knowledgeable, was really great with my cats and did a wonderful job getting them healthy again. The Techs were great and the rest of the staff very friendly.
Ashley Ray
Dec 26, 2017
Dr. Cruz and the entire staff is amazing! We have a bit of a difficult cat (he's big and mean to strangers but amazing with us). We've been to other vet's that haven't treated him very well, and have been hesitant to take him to a vet again. But EVERYONE at American Vet Hospital was amazing! They were patient with us and treated our boy well. Dr. Cruz is calm, sweet with all animals, and the nurses were so kind and understanding. I wish I knew everyone's name to thank them properly.but Blimps and his family thanks you guys!
Janine Martinez
Apr 05, 2017
Dr Cruz and American Veterinary has been caring for my now 11 year English Springer Spaniel since she was a puppy. They have been so very attentive, thorough, professional, and caring, every step of the way - from wellness checks, surgeries, dental care, boo boos, and diagnostics. It has always been a pleasure to work with Dr Cruz, the vet techs, and front/back office staff. And I look forward to many more years of American Veterinary Hospital caring for my sweet girl
Jill Parnham
Oct 10, 2016
Just back from my first visit with one of my dogs. It felt a little weird going to a new clinic after 14 years with the vets at Sweetwater. However, everyone seems both friendly and professional and I was very impressed by Dr Cruz.
Dan Balsano
Jun 18, 2015
This is loving ang caring place. They taken care of Ginger and her well being.
Adam Goldstein
Dr Cruz is absolutely fantastic. Very knowledgeable, was really great with my cats and did a wonderful job getting them healthy again. The Techs were great and the rest of the staff very friendly.
Ashley Ray
Dr. Cruz and the entire staff is amazing!! We have a bit of a difficult cat (he's big and mean to strangers but amazing with us). We've been to other vet's that haven't treated him very well, and have been hesitant to take him to a vet again. But EVERYONE at American Vet Hospital was amazing! They were patient with us and treated our boy well. Dr. Cruz is calm, sweet with all animals, and the nurses were so kind and understanding. I wish I knew everyone's name to thank them properly..but Blimps and his family thanks you guys!