Westlake Village Family Dentistry
Katherine Tsap, DDS:
Practice Profile Page


Westlake Village Family Dentistry
Katherine M. Tsap, DDS
Westlake Village CA













A list of major dental treatments which I offer my patients:

Dental cleaning

White fillings


Inlays & onlays


Clear aligners

Pediatric dental care

Porcelain veneers

Teeth whitening

Dentures & partials

Root canal treatment

Tooth extraction

TMJ treatment

Dental implants


Offers Even28 at-home™? No

Offers Even28 at-dentist™? No

Offers Invisalign®? Yes


Monday: 9:00 am to 6:00 pm

Tuesday: 8:00 am to 5:00 pm

Wednesday: 8:00 am to 5:00 pm

Thursday: 8:00 am to 5:00 pm

Friday: Closed

Saturday: 8:00 am to 2:00 pm (by appointment only)

Sunday: Closed





Check out what some of our happy patients are saying about us:

Laurie R. from Westlake Village, CA (Source: Yelp)


Great front desk. Wonderful dental technician. And Dr Katherine is so knowledgeable. I’d been going to the same dentist for 20 years & they didn’t ever notice a problem with my implant. Both the Dr & technician noticed the problem immediately. State of the arts office.  So happy that I found them.

Danny (Source: Google)


ETREMELY friendly and gentile staff. I’ve been nervous around dentists ever since being a kid, but I feel relaxed in their hands. They recently got Netflix on their TVs too, allowing you to watch whatever you want without commercials.

Danielle B. from Agoura Hills, CA (Source: Yelp)


Dr. Katherine and her staff are a breath of fresh air. Their attention to detail is like no other dentist I’ve been to, and I’ve traveled near and far to find the right dentist. Her equipment is top of the line and her techniques innovative. They even use bubble gum flavored gloves. I was so comfortable I actually fell asleep while being treated. Can’t wait to get my teeth whitened on my next visit. Such a great experience my family and I, thankfully, will never go anywhere else again.

Dan P. from Moorpark, CA (Source: Yelp)


This team is terrific. Their office couldn’t be more friendly or welcoming. On top of that, Dr. Katherine does a great job of explaining your personal dental situation and her proposed course of action. Finally, every procedure that she has performed for me has been successful and effective. This office is, by far, the best dental experience that I’ve ever had. Give her team a try and you’ll be a fan… just like me! Thanks Dr. Katherine and staff! You’re the BEST!

Scott Kennedy (Source: Google)


What a great dental experience. Kind, gentle and caring. All 4 of my boys go to Dr. Tsap and love her. They never complain about going. She is also caring enough to ask about my family whenever I visit. The entire staff is that way. Highly recommend.

 Sam Brinson (Source: Google)


Of the many dentist I seen work in my lifetime, none have been as dedicated and conscientious about their work as have Dr. Katherine Tesp. She is indeed in the top category of professional dentists whose family dentistry office provides that high calibre of dental service we all seek when seeking the best dentist available to care of our dental needs. I highly recommend her to anyone looking for an outstanding dentist.

Michael A. from Westlake Village, CA (Source: Yelp)


I feel really lucky that I live walking distance your office, and, that I have access to great coverage with a staff that is so good at their craft. Thanks for everything. See you in a couple of weeks. Sincerely, Michael Alexander

Tori Cusack (Source: Google)


This was seriously the best dental experience I’ve ever had! I have always been so afraid of the dentist and never liked going. It’s been four years since I’ve been in for a cleaning and exam and they made it so easy. Stacey walked me through everything she was doing which made me feel relaxed and comfortable. She was so gently and conscious of my sensitive teeth. Dr. Katherine was super kind and personable. I don’t think I would have ever said this but I can’t wait to go back again!

Jessica W. (Source: Google)


My first visit couldn’t have been better. The office is beautiful. The entire staff was so friendly and welcoming, it felt as if I had known them all for years. They were very gentle with my teeth and gums and did an amazing job cleaning them. I would highly recommend to anyone in the area looking for a dentist

Aysha Hussain (Source: Google)


Just as always, my recent visit to the Westlake Village Family Dentistry was a pleasant one. Warm welcome by Donna to gentle and thorough cleaning and infomative conversation with Stacie to professional yet personal care by Dr Tsap, everything is super notch. I’m so happy I go to this dentistry.

Bernadette S. from Thousand Oaks, CA (Source: Yelp)


This was by far the best dental experience I have ever had. Dr. Katherine and the entire staff made me feel very comfortable. They were kind and professional – and the office environment made me feel at home. An overall excellent experience!!

Mark Gozawa (Source: Google)


Dr Tsap and her staff are the best! She treats all her patients like family! She is meticulous in her patient care and makes sure you are 100% satisfied. In addition she has a close bond with her staff that she treats like her second family. I have never seen a medical office that has such a close professional relationship with each other as well as concern for the staffs personal well being. This all results in the best possible care a patient can receive. My whole family goes to Dr Tsap and we are life time customers!

Heidi D. from Oak Harbor, WA (Source: Yelp)


Dr. Katherine Tsap is a dentist that is of a dying breed.  Why?  She geniunally cares about you and your well being.  After being a patient of Dr. Bianchi for over 10 years, I was very hesitant of who she would select to take over her practice.  Dr. Bianchi could not have selected a better dentist as a replacement.  I am so fortunate, since I continue to travel from wherever we are stationed to remain under Dr. Katherine’s care.  Every time I seem to wreck something in my mouth, Dr. Katherine and her amazing team do a wonderful job of putting me back together.  …and for that I will always be grateful!

Danielle R. (Source: Google)


This place is wonderful. For the first time in a long time, I feel extremely comfortable here. The staff is wonderfully knowledgable and the environment is terrific. I feel like I could hang out there every day! I highly recommend it and I’m so glad I found them. I interviewed most of the dentists in this area and this was by far the best place.

DA. W. from Los Angeles, CA (Source: Yelp)


Dr. Tsap is super awesome. Two close friends, both longtime patients of hers, recommended I go, and the care I encountered did not disappoint. Unlike a typical, antiseptic, dreary dental clinic, Dr. Tsap’s office was full of friendly, warm, and inviting folks. Dr. Katherine’s hygienist did the most detailed, meticulous cleaning I’ve ever received, all while being extremely gentle and considerate of my comfort. Dr. Tsap herself provided a thorough exam and made me feel completely at ease. I’d highly recommend her to anyone needing a dentist!

Jenifer Ludwick (Source: Facebook)


This was the best experience that I have ever had at a dentist office! From the hygienist to the dentist and front office staff I felt welcomed and very much at ease! I normally hate going to the dentist but they made my dental visit really pleasant! I will be recommending this office to all of my friends and family!!!

Maria C. from Thousand Oaks, CA (Source: Yelp)


I drove 40 min to see Dr. Tsap per a recommendation from a friend, and let me just say it was worth the drive. Dr. Tsap has such a light touch and incredible bedside manners . She made me feel at ease but most importantly made my pain go away effortlessly. I would recommend her to everyone. Great dentist. No laughing glass needed. Great office and the woman at the from desk was lovely and very accommodating.

Matthew M. from Thousand Oaks, CA (Source: Yelp)


Katherine is amazing at what she does. She makes going to the dentist not a big deal anymore. I am not scared or even worried about going! She is gentle and filled with a lot of love to be able to get you through. Her support and cleaners are super rad and let you pick your own music on pandora to be able to get you even MORE comfortable. Amazing place and I would recommend it to anyone who needs a dentist because it’s filled with awesome amazing talented staff. Unlike other dentists she is not in the business of up selling and let’s you know what you need and not what she wants!

Kellyann Paganelli (Source: Google)


They chose the right name for this dental office because they really make you feel like family. Besides doing phenomenal dental work, Dr. Katherine and her staff are extremely warm, and caring. I was just in yesterday for my crown and it is absolutely perfect.

Ricardo Beltran (Source: Google)


Few people look forward to a dental appointment. My appointments with Dr. Tsap are always pleasant due to the friendly atmosphere of everyone in the office. My latest appointment included a new crown. There was little discomfort during this 2-step process. The care taken to ensure the fit was perfect was another reminder of the professionalism of Dr. Tsap.I was very satisfied with the cost and results. I continue to visit this office for routine dental visits and am always pleased with their work.

Lisa M. from Westlake Village, CA (Source: Yelp)


Dr. Tsap is the best! After moving from Boston to the West Coast, I struggled to find a dentist who was kind, professional, and trustworthy. We had several false starts, then my family and I were thrilled to find Dr. Tsap. Over the past couple months, in fact, I have had two emergencies and each time her office fit me into their schedule that very day, often within an hour or so. And what a welcoming and wonderful place for children to have their dental care. I truly cannot recommend Dr. Tsap and her staff highly enough.

Jessie Manchion Fowler (Source: Facebook)


Everyone on staff is very friendly and caring. Dr. Katherine is gentle, explaining everything as she works. No pain!!!! So happy we found you to take care of our dental needs.

Matt Singley (Source: Google)


You’re simply not going to find a more caring and skillful dentist and support staff! Our entire family has been treated like, well, family since we started going there last year. They take their time with us, explain everything very well, and are so good with the work! I cannot recommend them strongly enough. If you are looking for a dentist, you’ve just found the one you should go to.

Anonymous (Source: Google)


Dr Katherine and the staff are all so sweet and professional! It sounds crazy, but I look forward to my dental visits and never want to miss a cleaning 🙂 love these ladies and have referred all my friends and family! It truly feels like home and everyone is family. Love you ladies! See you in June 🙂

L. P. from Thousand Oaks, CA (Source: Yelp)


Dr. Tsap, Chandra, Stacy and Donna are all amazing!! I could not ask for more. They make each patient feel like a VIP. The office is super clean, staff is professional, skilled, caring, patient and they’re fun too. Rest assured you won’t leave the office unless the work is 100% and they’re quick too, which is the perfect combination. After every appointment, Dr. Tsap emails me just to make sure I’m doing well. She truly cares about each of her patients.

John Morris (Source: Google)


As a blanket statement, everyone hates the dentist . That said this is by far the best practice I ever attended. The staff was fast, happy, courteous, and seemed to like their jobs. The office was clean and bright with light music in the back ground. This was a fresh young feeling office with amazing service and smart people doing what they seem to love to do. I had a basic x-ray and cleaning and it was without a doubt the best experience ever. They serviced my 6 year old son as well who went home so happy, he brushed his teeth because he said he promised Dr. Tsap he would do it 3 times a day . I’m not Mr. Review guy but with all the negativity out there, I had to say something good when it so clearly deserves it. Do yourself a favor and check this place out.

Kira Krukowski (Source: Google)


My experience with Dr. Katherine and her hygienist, Stacy, was amazing! She is by far the best dentist I have been to. The whole office is so friendly and approachable. I am very happy with my care at Westlake Village Family Dentistry. I can’t say enough positive things about it!

Gena F. from Spring Valley, CA (Source: Yelp)


Going to Westlake Village Family Dentistry was a really great experience. It’s a really great office where you instantly feel comfortable. Dr. Tsap was really great. I’ve been wearing a night guard for 5 years now. It’s been very uncomfortable and my original fitting for it with a different doctor was incredibly uncomfortable. The fitting with Dr. Tsap was quick and pleasant. The night guard fits perfectly and is hardly noticeable when I wear it. I would highly recommend Dr. Tsap for any dental needs.

Victoria Nickle (Source: Google)


I went to see Dr.tsap today after she was recommended by a friend. I had a broken tooth and she was able to see me the same day! After a quick and effective diagnosis, she and her assistant explained the procedures available to help and went to make me an appointment for further treatment. Then, she personally walked me to the endodontist to ask them to ‘look after me’!!! I have never, never had service this good from a dental office. Excellent, friendly, caring approach-i will recommend without hesitation to all my family and friends. Thank you Dr.Tsap!

Leah (Source: Google)


After having to switch dentists, after 15 years due to changes in insurance, finding someone new seemed very scary. Dr Tsap and her assistant, Stacey, are fabulous. They walk you through everything they are doing and carefully explain their proposals for next steps and why. The office staff make it a point to highlight all costs for dental work up front, before doing anything or scheduling future appointments. I was nervous at first but so HAPPY with the switch!

Gennelle S. from Thousand Oaks, CA (Source: Yelp)


Had such a great experience here with Dr Katherine and staff. She is extremely efficient and makes sure you know what she’s doing the entire time. I had my first filling with her and she made me feel super comfortable and at ease while getting the job done super fast. Her office staff was so accommodating as I had to bring both of my small kids with me. Her front office lady was super nice and was able to answer all my questions and super easy to talk to. I will be back, thanks again.

Al Cook (Source: Google)


The office is nice and the staff is friendly. Dr. Tsap has fixed several issues I had been putting off and I could not be any happier with her work. I only wish I would have known about her years ago. I would recommend her to all friends.

Michelle I. from Los Angeles, CA (Source: Yelp)


Dr. Katherine and her staff were incredibly kind and helpful during my process of getting a replacement retainer. My retainer that I had for several years broke one night and the following day I spent several hours trying to find an office that could get me a replacement quickly and at an affordable price. After calling (literally) twenty different offices that were either ridiculously overpriced, would take several weeks to get a replacement, or needed to have a consultation appointment beforehand, I found WVFD which met all of my criteria. I came in, had impressions done and was graciously reassured by Dr. Katherine that my teeth would be okay in the mean time. We ran into a slight hiccup in the process (not AT ALL by the fault of WVFD) that created a delay in process, but Dr. Katherine thankfully created a temporary retainer for me at no additional cost. I received my brand new retainer that fit perfectly and by a staff that I knew cared about my well being. Thank you Dr. Katherine and the WVFD!

Ana Magbitang (Source: Google)


Stacy, the hygienist was really amazing. She was very careful and gentle, but also informative and thorough. Dr. Tsap was also great; she was professional, did a great job with my filling. And the front office staff (sorry, I cannot recall her name at the moment) was great too- she immediately informed me of the cost and what my copay would be. I really appreciate their approach and I like how down to earth and approachable they all are.

Andrew B. from Thousand Oaks, CA (Source: Yelp)


I do not usually write reviews but this is an exception. I have been waiting for the dentist that was not only knowledgeable and skilled, but also cared for the patients. I finally found her! Dr. Katherine is simply AMAZING. She recently took over the practice and as soon as I stepped in and met her I was floored by how friendly and sincere she was. When we talked about the treatment, she explained all of my options and all the pros and cons. The treatment itself was very comfortable and painless. It was obvious that Dr. Katherine skills were superb when I did not even feel her give me a shot to numb me up. If you are looking for the best dentist in Westlake Village, don’t look any further, Dr. Katherine Tsap and Westlake Village Family Dentistry is it! Thank you Dr. Katherine!!!


Welcome to Westlake Village Family Dentistry. Our dental team works hard to ensure that you have a pleasant, enjoyable dental experience. Each of our dental staff members is highly trained and informative, as well as kind and friendly. Please do not hesitate to ask us any questions you may have about your oral health or dental treatment options; we are always happy to help you. We are eager to care for you and your family! Dr. Katherine Tsap purchased this practice from a retiring dentist in 2014, the original practice was established in 1996. Our well-renowned and highly specialized dentist – Dr. Katherine M. Tsap, a resident of Southern California, has her heart and soul into dentistry and focuses on the entire family’s teeth and oral health concerns and care. She holds a Bachelor of Science Degree in Biology from San Diego State University and a Doctors Degree in Dental Surgery from the prestigious University of Pacific, Arthur A. Dugoni School of Dentistry in San Francisco. She is dedicated to restoring, preventing and cosmetically enhancing her patients’ health and self-confidence. Providing superior care and quality while instilling trust in all her patients, she is up-to-date with the latest technological advancements and trends in the world of dentistry. Being an active member of The American Dental Association, SPEAR Study Club, California Dental Association and the Conejo Valley Academy of Dentistry, Dr. Katherine constantly strives to broaden her horizons by being up-to-date with contemporary advances in the dental field and by attending educational courses. Residing in Westlake Village with her husband and two children, she enjoys spending her free time with them, is also a cooking, hiking and travelling enthusiast while making time to stay fit through Pilates.