Schedule A Veterinary Appointment Online

If you have an emergency please call us at (805) 495-1059

3575 Thousand Oaks Blvd,
Westlake Village, CA 91362


8:00am - 6:00pm


8:00am - 6:00pm


8:00am - 6:00pm


8:00am - 6:00pm


8:00am - 6:00pm


8:00am - 1:00pm



Hear what our clients are saying about us

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★★★★★ Dr. Anderson and his staff our amazing. Was able to get a same day appointment and Dr. Anderson really thinks out of the box for treatment of my 11 year old Berners Arthritis. Love this place.Michelle Y.Michelle Y. ★★★★★ I just moved here from Alabama. Sue my Chihuahua is my baby. She was having trouble breathing. I was so scared. I ran in with her and they couldn't have been more helpful. She is much better today. I thank them for being so helpful to this dog mommamichelle K.michelle K. ★★★★★ Dr. Andy is the best. He is smart, compassionate, and most important listens to his clients. Unlike other vets we have gone to, he won’t try and sell you to do unnecessary things just to make money.Jasmine R.Jasmine R. ★★★★★ All a round excellentSean A (.Sean A (. ★★★★★ Please see update below. This rating is for the ‘old’ Anza. I cannot fairly rate the new Anza, because I have no idea who will staff it. They have ‘full-ins’ as of October 2023.Original review: I have been going to this clinic since 1988, when Dr. Gordon owned it. In 1992, he handed me and my very sick dog off to Dr. Watase. I was not happy. My dog, Toby, had three paws in the grave. Dr. Watase pulled him out of the grave for me. Dr. Watase has been my hero ever since. He is a great diagnostician and really loves the animals in his care. I trust him implicitly and will not go to any other vet (except his colleagues, when he is not available), unless he refers me. He is also not afraid to refer to a specialist, when appropriate. Jake is my 7th dog under his care. By the way, all of my dogs have loved him, too. For me, there is no other vet in the Conejo Valley.Update: Dr. Watase retired at the end of 2022. I decided to trust Dr. Spadaro. She has now left. The only remaining vet that was on Steve’s (Dr. Watase’s) team was Dr. Klumb. She is retiring at the end of October, 2022. We saw a fill-in vet who seemed okay, but we no longer recognize anyone in the office. This is the end of an era for me. I will follow Dr. Spadaro.Diane J.Diane J. ★★★★★ I have been bringing my dogs here for the last 25 years. Anza's staff is always lovely and friendly! It's clear they all love animals and do anything to make both furry friends and their humans feel like family.Desiree K.Desiree K. ★★★★★ Absolutely amazing! Just moved to Thousands Oaks, and I was leary on finding a new vet. I had been with my previous vet for 12 years. Everyone here was great and I was so pleased with the doctor. Abby will continue to go here. Thank you for a wonderful experience. One more thing, the kitties that live there are soooo adorable and friendly.Jane D.Jane D. ★★★★★ I like all of the veterinarians and the staff is great, too.In 2022 I was on vacation for about 3 weeks. Both of my cats became ill while I was away, so my cat sitter took them to the Clinic. The staff was very helpful for both me, out of the country, and my cat sitter. They dealt with the circumstances in an empathetic and professional manner.C E.C E. ★★★★★ Always the sweetest staff! Honestly I live taking my puppy Finn here they always are gentle and answer all my questions regarding him.Melissa Garcia (.Melissa Garcia (. ★★★★★ We have always liked the courteous, see and professionalism from the staff as well as the doctorsRobert Mirabilio T.Robert Mirabilio T. ★★★★★ I am always confident I get the best Pet Health advice and treatment. The doctors have integrity and guide their patients and pet owners wisely.Laurene L.Laurene L. ★★★★★ When we moved to Thousand Oaks we needed to find a new vet for our 2 cats and dog. We decided upon Anza and couldn’t be happier with our choice. They’ve helped figure out an allergy issue that our Golden Retriever had been dealing with for years, did well visits for our cats, and now help us with vet services for a new puppy. They take their time, answer your questions, and are extremely friendly.Bridget N.Bridget N. ★★★★★ What a wonderful animal clinic! Super friendly staff who graciously squeezed me in for a last minute weekend appointment.Mike R.Mike R. ★★★★★ Dr. Alexander is the best. I was so lucky to find her a couple of years ago and drive over 30 minutes to see her because she truly is special. I know all of my pets are in the best care. This clinic is great too. Super calm and organized. Everyone I have interacted with here has been great.Annette W.Annette W. ★★★★★ Best vet clinic I’ve ever been to! My dogs life was saved when she was stung by a bee and went into anaphylactic shock. They took me in last minute and saved her. Very knowledgeable vets and get you in last minute.Amanda R.Amanda R. ★★★★★ Dr. Spadarro is amazing! Thank you for everything. Love Anza!Cyn B.Cyn B. ★★★★★ Great service and knowledgeable staff. Thanks for being here in our communityYuriy K.Yuriy K. ★★★★★ Incredibly thorough and sensitive. We greatly appreciate Anza!Natalie K.Natalie K. ★★★★★ I've been going here for (over 20) years. Dr. Watasi and other Vets have always been professional and caring. They've been caring about both the animals and owner (me). I'm grateful to have them here.I just got a rescue dog for our 14 year old boy. The Vet was thorough and caring and now I have peace of mind that our 2nd pet is healthy. When talking to the woman at "Shelter Hope, I was confident that I had an excellent Vet to look after the dog (a chuweenie) I recommend this clinic without any reservation.July 17, 2020. Just went back there. Everything is the same (perfect). It's still the best vet ever. Dr. Watasi is a "good guy." I don't say that about many people.Bill S.Bill S. ★★★★★ This vet service is excellent. Dr. Spadaro is an awesome vet and I so appreciate her wisdom and understanding. Picasso is a very happy dog when he visits.Lesley H.Lesley H. ★★★★★ We went to Anza many years ago with another dog. Remember what great care they gave so are back again with our new bundle of joy--Kai our new miniature golden doodle. Feel very comfortable there. Dr. Steve is wonderful!Susan H.Susan H. ★★★★★ The best!!! Can’t say enough good things about everyone here! You can book appointments and refill prescriptions on their site. The doctors are so caring and efficient. There is little wait time to get an appointment. I highly recommend Anza!Lorelei C.Lorelei C. ★★★★★ Compassionate and caringCatheyCathey ★★★★★ They take good care of all our animals. Very thorough and caring and compassionate.amy K.amy K. ★★★★★ This is a wonderful animal clinic. The staff and doctors are caring, professional and honest.Max KMax K ★★★★★ They fixed Sergie when he was ill. Very nice staff.Elise EElise E ★★★★★ We recently moved to Westlake Village and did not have a veterinarian for our two dogs. I found Anza from a google search and can't be more pleased. One of our dogs, a Pomeranian (Lucy) became sick. I telephoned Anza near the end of the day and they had me bring our dog right over. Dr. Watase examined Lucy and treated her with antibiotics. Lucy is back to her normal self now. Dr Watase is the best veterinarian I have encountered. In fact, the whole staff at Anza are really great.Thank you to all at Anza!!Scott M.Scott M. ★★★★★ I’ve really had great experiences with this vet…. Specifically Dr. Spadaro-Goldstein. She is great with both my large young great Pyrenees as well as my geriatric 15-year-old pug. I also had to board my old pug and didn’t want to have to get him the flu vaccine because he would be quarantined in his own room at the boarding facility. The vet was willing to write me a doctors note so that he was excused from getting the vaccine. He was not around any other dogs so no other animals were at risk. And he didn’t have to be subjected to any unnecessary vaccinations at his very old age. I was so grateful that they allowed us to do this. Plus Dr. Spadaro-Goldstein gave me a really in-depth appointment with both my large great Pyrenees as well as my old pug. For my pug I wanted to know his quality of life to make sure he wasn’t suffering in any way because he sleeps 90% of the time. Thankfully she gave me such an in-depth exam I feel comfortable letting him just sleep the rest of his life…until he’s ready to transition.💖Gillian G.Gillian G. ★★★★★ I highly recommend Anza Animal Clinic. When we were experiencing issues with our dog they got us in very quickly as a new patient. Our dog is extremely fearful and reactive to people. They were very understanding of this and made sure to make our girl feel comfortable. We had only gone to one other vet before, she was terrified there and would pee herself in fear. Our experience with Anza was much different and you could noticeably see our dog feel more at ease. Dr. Spadaro is very patient and considerate of anxious dogs. She took her time and got on the floor on her level and gave her treats. She never forced any interactions or did anything that wasn't necessary so my dog would be comfortable. The vet techs were also very kind and compassionate. If your dog is anxious or fearful and you dread having to put your dog through the stress of the vet as much as me, then this is your place. They make a normally stressful situation much easier.kylie L.kylie L. ★★★★★ We called Anza in a desperate moment, after our Boxer had an MRI at another facility. We really just wanted a vet to help us understand the results of the MRI and give us some ability to make some decisions for our pup. I know they were busy but Evan got us an appointment the same day, and we walked out of the door with so much more peace of mind than when we walked in. Dr. Watase was just our speed and answered as many questions as he could. We knew we were in very loving hands who were also top-notch in their facility and their expertise. We are so grateful, and we will be back.Allison G.Allison G. ★★★★★ Dr Melanie was very thorough and friendly. Great first experience hereVikki N.Vikki N. ★★★★★ Anza took my dog in on an urgent basis when all of the other clinics in the area refused, including the local emergency vet clinic, because they were at capacity. I am so grateful to Dr. Watase, he was so patient, eased my anxiety, and was very thorough. He called to check in on my fur baby the next day and was able to further guide me by having me email him pictures of my concerns rather than making me come back to the clinic. It is clear the Anza team love animals as much as I do and I’m so thankful to have found them. Would highly recommend this clinic!Brianna J.Brianna J. ★★★★★ Margarita, my Bedlington Terrier just turned 5. She has been a patient at Anza since she got here in July 2017. I appreciate Dr. Watase and his staff. They are very professional. Margarita has come to appreciate them and no longer hides when the doctor comes to examine her. At 5 she is healthy and happy.Joan B.Joan B. ★★★★★ GREAT ANIMAL CLINIC. I HIGHLY RECOMMEND THIS CLINICFOR YOUR ANIMALS.JONI L.JONI L. ★★★★★ Best Dam Vet Office in Town!!!Goody P.Goody P. ★★★★★ "Trustworthy" is the best word to describe my veterinarian. Our pets are family and unfortunately except for their facial expressions and body language they really cannot convey what they feel as much as we would like. We need to know that our Doctor's primary concern is the well being of our pets and not how much they could bill. I have been bringing my 14 yr. old black "Pearl" Lab to Dr. Watase at Anza Animal Clinic and I completely trust his work and judgement every time. I also have to say that the staff at Anza are all so great and wonderful. You can see that they love animals and will treat your pet as if they were their own. I have had quite a few dogs and have tried several vets. Dr. Watase and the Anza staff are the best in what they do.Inaki V.Inaki V. ★★★★★ My dog started to feel sick over the weekend and no one in Thousand or Westlake will take her in. Thank God for Anza Animal clinic. They were very helpful in accommodating and also it's very practical. My dog has only been under treatment for 1 day for I am hopeful that she will respond ok to the treatment. The vet was very professional and so was the staff. They are following safety standards for COVID but they do it in a very efficient and professional way.Thank you again for all of your help!Jaime I.Jaime I. ★★★★★ I’m so lucky I found this place after his own vet could not see him. ANZA will now be his new vet. They were so good with him. They took there time to examine him throughly answered all my questions and were so caring. The doctor that treated him was amazing. I will not take him no where else. Could not thank them enough.Maria D.Maria D. ★★★★★ Really great professional, helpful, and friendly staff all around. After the first visit I knew I would be returning and I have since as well as had them perform a spaying that went absolutely perfectly and again, so easy and my cat does not mind coming here at all either!Renée A.Renée A. ★★★★★ Can't say enough during these times when it's impossible to get Vet appointments. My regular Vet was closed on Saturday morning and Anza Animal Clinic got me in within 90 minutes. Woke up Saturday morning to find the right side of my dogs face swollen, she was some what lethargic and not herself. Thank You very much for taking care of my girl.Domenick M.Domenick M. ★★★★★ Da best day Vet in town!!!gotthardt P.gotthardt P. ★★★★★ Wonderful staff and Vets! I've been very happy with the service here. Everyone is so professional, knowledgeable and positive.Winona K.Winona K. ★★★★★ Hi My Fellow Village/Thousand Oaks/Agoura/Newbury Park Neighbors!…. People, like myself, create TRUE LIFE REVIEWS, so people like ‘you’ can make your opinion after reading some of the posted comments. That’s why I am taking the time to tell you what happened yesterday. To start, I love my animals. In our family, they are part of us! Unfortunately, One of my Dogs is prone to having seizures. She had one yesterday. My son grabbed her and we hastily drove to “Anza Animal Clinic!” Upon arrival, they immediately sprung into action. Brittany the Nurse, saw Lulu’s condition, swooped her up, took her to the back where the wonderful Dr Spadaro stabilized her. Within an hour Lulu was Diagnosed, Treated, Medicated, and I was given Meds for the Future. Holy Cow! THE BEST ANIMAL SERVICE I HAVE RECEIVED in a long, long time. Brittany, Allison, and that really nice Dr Spadaro are for sure THE “A” TEAM for your animals well being. I am for sure using them for all my animals medical needs going forward! 5 out 5 ⭐️‘s !!!GaryGary ★★★★★ Awesome staff and care for my fur babyTodd J.Todd J. ★★★★★ Reasonable cost. Thorough examinations and lots of time spent explaining issues to owner.William C.William C. ★★★★★ I needed a veterinary appointment in a hurry. My issue was, my Rottweiler is a rescue and has been abandoned twice. I couldn’t imagine dropping her off without being there for her. The staff was great, so accommodating, and helpful. I was able accompany my pup in the examining room. Everyone I encountered was friendly, helpful and true animal lovers. I couldn’t imagine a better experience. Anza will be my go to Veterinarian.John G.John G. ★★★★★ So glad I came here! Amazing Doctor & staff. They were so helpful and caring unlike other vets I've been to. If your dog has any issues...this is the place where you want to be. They are detail oriented and that to me means everything. Thank you so much!Marta S.Marta S. ★★★★★ We have been placing our pets in Dr. Watasi's care at the Anza Animal Clinic for over 20 years. He has saved our pets lives many times. He is an excellent doctor and very knowledgeable as well as compassionate.Linda HLinda H ★★★★★ My dog just needed blood work. I called from the parking lot. Went faster than if I had gone in. Anza has always been my favorite. I drove 160 miles just to come back here for my best buddy.Joan D.Joan D. ★★★★★ Knowledgeable and caring. Everything you want from a vet and the support staff are wonderful too. Sensible COVID processesSara B.Sara B. ★★★★★ They were 100% friendly and professional and one of the few vet clinics that allows to go in with your petThey took great care of my little piperJohn TJohn T ★★★★★ My experience has been consistently good with Dr. Watase and his wonderful staff! I drive practically an hour each way, and it’s not because I don’t have vets near me, on the contrary....there are 2 places close by, within minutes but I chose Anza Animal Clinic because of the positive experiences I’ve had and the people working there. I think Dr. Watase is an incredibly knowledgeable, kind and professional vet. He’s very thorough and takes wonderful care of my 2 precious fur babies! He doesn’t just look at the problem, but looks at contributing factors and is proactive which I like. His staff is professional, responsive and kind.I would recommend them to anyone who needs help with their precious fur baby! They are COVID compliant and I felt it was a safe environment for me to enter. I like being able to see and speak to my vet, versus just dropping them off in the parking lot.Debbie K.Debbie K. ★★★★★ Friendly, knowledgeable staff. Took great care of my 16-year-old Chihuahua. The vet also was wonderful and knew her stuff. Great place to go!Rachel E.Rachel E. ★★★★★ Even with the pandemic they take care of you and your dog.Mike C.Mike C. ★★★★★ They are very caring. I have had to bring my cat here several times. The staff made us very comfortable, did a diagnosis and prescribed a treatment, and every time the treatment worked. I highly recommend this clinic!Lucy S.Lucy S. ★★★★★ Very happy and nice people .Acacia C.Acacia C. ★★★★★ I love this vet clinic. They are a little expensive but they genuinely love the pets. They used to give ribbons with a calming scent for the animals but they don't do it anymore, I kind of liked that extra touch. Regardless, this is a great place to take your pet.B. Cory C.B. Cory C. ★★★★★ Extremely happy with the care our dog has received here. Whole staff is very friendly, personable, caring, and costs are reasonableMichael G.Michael G. ★★★★☆ Very nice location, caring professionals and good communication.Dwight E.Dwight E. ★★★★☆ Nice peopleHit M.Hit M.js_loader

If you live in Westlake Village or the surrounding areas of Thousand Oaks, Lake Sherwood, Newbury Park, Agoura Hills, Oak Park, and Westlake and need a trusted veterinarian to care for your pets, then Anza Animal Clinic is where your pet belongs. Dr. Jessica Alexander, Dr. Debra Klumb and Dr. Melanie Spadaro-Goldstein are licensed California veterinarians and treat a wide variety of pets. They work hard to ensure your pet is as healthy as possible and deliver the care your pet deserves.

We are here to service the cities of Thousand Oaks, CA, Westlake Village, CA, Newbury Park, CA, Simi Valley, CA, Agoura, CA, Oak Park, CA, Camarillo, CA, Moorpark, CA, Woodland Hills, CA, Calabasas, CA and more!

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Our Veterinary Services


Animal Poison Control

Puppy Care

Rattlesnake Vaccination

Spay & Neuter*


In-House Laboratory

Senior Wellness


Wellness Exams

Dental Care

Exotic Pets

Laser Therapy

Preventative/Wellness Care for Cats

Preventative/Wellness Care for Dogs

Pet Emergency


* Requires an initial exam