Gary O’Brien Dentistry
Gary O’Brien, DDS:
Practice Profile Page

Gary O’Brien Dentistry
Gary R. O’Brien, DDS
Glendale, CA







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

Dental cleaning

White fillings


Inlays & onlays


Clear aligners

Sedation dentistry

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: 8:00 am to 5:00 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: Closed

Sunday: Closed





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

Kathryn M. from Burbank, CA (Source: Yelp)


Dr. O’Brien has been my dentist for over 22 years…clearly that alone speaks volumes! For some, going to the dentist is an unpleasant experience. Coming here for dentistry work is as pleasurable as it can get… I have no worries about how things are going to go because the care received is consistently excellent! The whole team makes every effort to make it less stressful. When you find an honest, trustworthy, compassionate, conscientious doctor, you hold on to them. Dr. O’Brien continues to learn about the latest technology to provide his patients with top care in dentistry. He takes the time to know his patients, they are not just a number. He gets to know them, observes facial and body movements during procedures to stay on top of pain management. During procedures he is respectful to the staff, saying “please”and “thank you” when handed an instrument or making impressions. In addition, the technicians and office staff are exceptional, professional & welcoming. The staff has been with Dr. O’Brien for along time as well – that says something about the culture of the office. They are a great Team – genuinely care about the patients well bein

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Liz P. from Glendale, CA (Source: Yelp)


I found Dr. O’Brien on the web after reading other reviews. I needed a dentist asap because I had fallen and chipped my front tooth. I have had really bad experiences with the dentists before so I was extremely nervous and anxious. Right away, the staff made me feel welcomed and relaxed. Every member of Dr. O’Brien’s crew is friendly, professional, caring, attentive, and highly skilled. Dr. O’Brien explained options for me and fixed my tooth in such a short amount of time. His work was AMAZING! My tooth looked so good. He really is an artist and his chair side manner is so personable and disarming. I can’t say enough about this office. Truly the best dental care. Also, the office is gorgeous, modern and comfortable. I highly recommend Dr. O’Brien and his staff.

Kathleen P. from Glendale, CA (Source: Yelp)


I had a bike accident which caused some dental damage that required a specialist. I had heard of Dr. O’Brien and what wonderful work he did but, I had never been to his office. I made an appointment with Sonia to see if he could help me after such an injury. I was scheduled right away. Dr. O’ Brien is a very experienced and world renowned dentist but he is very down to earth and nice. I was very impressed with his care and treatment. He and his staff were very kind and understanding. After explaining the whole procedure to me in simple terms that I could understand; he started the procedure. Stacey, his assistant made me very comfortable through the whole thing. I thought it would be somewhat painful but I didn’t feel a thing thanks to his wonderful anesthesia called conscious sedation. It is amazing how much hi-tech equipment they have at this office but, it made me confident that I was getting excellent care when I needed it the most. Dr. O’Brien replaced my central and lateral incisors with a dental implant. You will not believe how natural they look! Now, I have a beautiful smile and you wouldn’t even notice that I had any injuries or any dental work done for that matter. I decided to keep Dr. O’Brien as my dentist and would definitely recommend him to anyone who wants a beautiful smile along with exceptional care.

Barbara L. from Sunland, CA (Source: Yelp)


I miss Dr. O’Brien and my girls! I think I’ll schedule an appt. today. Who says they miss their dentist? Nobody, unless Dr. O’Brien is their dentist. This man saved me. An idiot dentist (not doc O) left decay under my temp crown and caused an infection so bad I couldn’t feel my face for a month. Seriously. I had to go through extensive root canal work to fix first the infection, then the teeth. He saved me….I’m a pro brass musician and make a living with my mouth! OK, that’s the first good part, here’s more: The staff/assistants. Tammy and Sonia are just beautiful people. I seriously love them. They’re down to earth, always fun, and completely on top of their work, too. Insurance/billing/appointments, all of that is easy. America is also a gem. Someday we’ll get to a soccer game! What a great bunch of people here. Thank you all for making a trip to the dentist fun!

Ashley C. from Azusa, CA (Source: Yelp)


I don’t know where to begin to say that this place is by far the best Dental office I’ve been to. Dr O’Brien is extremely knowledgeable is so so Nice. I felt completely at ease and comfortable the entire time which is hard to find at ANY dental office. The staff was very attentive and so sweet as well. Thank you for such a great experience!

Jim C. from Glendale, CA (Source: Yelp)

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If you have to go to a dentist, and every once in a while everyone does, you might as well go to the best. Gary takes his practice seriously. Technology, training, attention to detail are all hallmarks of his practice, but the biggest difference between Gary and most dentists is his laser focus on customer service. There was traffic out front of this building this morning and someone from his office called me to let me know and to tell me not to worry about it if I was a little late. Who does that? My appointment was on time, I had ample time with Gary and his office staff is friendly and competent. I highly recommend Gary and his team for any dental need.

Amanda A. from Austin, TX (Source: Yelp)


Dr O’Brien is the BEST dentist ever. I unfortunately have a new insurance and can’t go see him anymore, but I might if I had a really important procedure. He is extremely knowledgeable, kind, handsome ( not that that part matters 🙂  but I just loved having him as my dentist and even the staff up front is amazing. I unfortunately just went to a horrible dentist’s office in Pasadena and wrote a terrible Review for them, and it made me remember how incredible Dr. OBrien is, and I wanted to write a review. I refer him all the time on my mommy group because he truly is the BEST.

Bill S. from Pasadena, CA (Source: Yelp)


Gary O’Brien is the best dentist ever. I’ve been to probably a dozen dentists in my life and Gary is so much better than anyone else it’s hard to consider them in the same category. He is kind, caring, and committed to helping his patients. He takes the time to explain things and weigh options. And he’s great in terms of pain management. You can’t go wrong with Dr. O’Brien.

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


Agree with all the other positive posters. This dentist has the best chair side manner of any dentist I have ever seen. He is kind, compassionate and truly cares about his patients. I came to him years ago with major dental phobia from another dentists painful work. Dr. O’Brien was exactly what I needed. He helped me get through my intense fright, repaired my tooth and now I look forward to my bi-yearly appointments. He’s one of a dying breed – painless, skilled, friendly and has the same great staff that has been with him years. I wouldn’t ever see anyone else for my dental needs.

B. C. from South Pasadena, CA (Source: Yelp)


Let me start by saying I hadn’t been to the dentist in 10 years and wasn’t a fan of any in the past. From the moment I called the office I was treated with nothing but honest kindness. It wasn’t that false phone customer service “get you in the door” voice. I have sent many people to Dr. O’Brien because his work is top notch, he wants the best for you, and the entire staff is an extension of that. His work has been flawless. One time something hurt after, I came back in and it was quickly corrected. If I recall some cement lost its grip on a temp crown. Saw me right away and fixed me all up. Dentists are not cheap so sign up for your PPO plan and take good care of your teeth! And know that it’s money well spent! I can honestly say I enjoy going to the dentist now. Everyone treats me like family and they are even kind enough to send get well cards or call and check on me when my health isn’t good (non-teeth related). It’s a far cry from that terror trap my insurance company recommended to me who couldn’t explain how a root canal was done. I actually got out of the chair and never went back. Dr. O’Brien came highly recommended from a family who had been seeing him for years. I was sold right away! Listen, don’t believe everything you read, go in and experience it for yourself. You won’t be sorry!

Carolyn L. from Glendale, CA (Source: Yelp)


I second the great review given by Emma. Dr. O’Brien is probably one of the best dentists in the country. (The other one is Dr. Sam Muslin in Santa Monica, for you on the West side.) Dr. O’Brien is extremely skilled at what he does, more than the usual talent and he is very kind, gentle and patient. All his staff love him as well, which says a lot about the man. Yes, the prices are up there but you pay for what you get in this life. This is not the day and age to be going to a cut-rate dentist with all the blood-borne diseases around! My hygienist is Jennifer, very gentle and thorough, she believes in educating her patients, I’ve never met a better hygienist than her. This is a good place, grateful for people like this who are truly dedicated to their work and their patients. Thank you.

Leonardo A. from Los Angeles, CA (Source: Yelp)


A year ago I was looking for a dentist and a relative recommended Dr. O’Brien. At first, I was a little bit scared and skeptical about Dr. O’Brien because of a previous terrible experience. But, my experience with Dr. O’Brien was really beyond my wildest expectations. Different from my previous dentist, he is warm and patient and really cares about his work and people. In addition, his staff is very attentive and they work with the latest technology which makes my experience relaxed and most importantly: painless. Thank you Dr. O’Brien for making my dental experience pleasant and for being concerned about all of my dental health needs.

Pati Bruno De Palma (Source: Facebook)


Dr. O and his team are the best. Yesterday he did a root canal with a bone graft and filled two cavities. I am pain free today, that is how skilled he is. Can not recommend them enough. The whole office makes you feel like family! Love them all!

Karen R. from Glendale, CA (Source: Yelp)


There are so many dentist out there that I am very careful and frankly a bit afraid when looking for a dentist; I treasure my teeth and want to keep them:) I read about Dr. O’Brien last year and I am glad that I decided to go to his office recently. On my first visit I was greeted by a very friendly and informative staff. Dr. O’brien was very nice and right away I knew that he was passionate about his work. My front teeth were not as straight as they could be since I incurred a chip during an accident and until now the quick fix was a composite, but the problem with that is that they break or it simply does not match the rest of the teeth. At some point someone even filed my tooth more than the necessary making the chip worse. Dr. O’ brien took his time to listen to me, and instead of suggesting a very expensive and aesthetic solution, he suggested a more conservative approach taking in consideration the way certain changes would affect the way I talk, and that my teeth were really in good shape. I felt relieved that I met a dentist who listened and answered my questions and mainly I appreciated the honesty! Great welcoming modern office. My hygienist was awesome and the lady who took my x-rays was ultra gentle. Latest update: Left Dr. O’brien’s office this morning. My front teeth look amazing, straight and my smile looks natural. The Dr. was prepared and it is obvious that he knows what he is doing and does it flawlessly. Although I know my insurance does not really cover as much as they would had I chosen another dentist, I have no regrets.The ladies at the front desk were very helpful and explained how they dealt with my insurance and they were accomodating. I can only recommend but I dont doubt your experience will be as great as mine. I am very happy that Dr. O’brien is now my dentist.

Mark N. from Inglewood, CA (Source: Yelp)


I wanted to get dental implants but my family dentist is not a specialist in implant dentistry and recommended I go to Dr. Gary O’Brien who is well known as an implant dentist. I went to Dr O’Brien’s practice and he explained to me how implants were made and suggested combining implants with bridges. I was very apprehensive at the beginning but he calmed my anxiety. It was unbelievable! During the surgery I didn’t feel anything because he used conscious sedation.  The implants turned out beautifully and I couldn’t be happier with my experience at Dr. O’Brien’s.

Steven R. from Glendale, CA (Source: Yelp)

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I was looking for a well experienced dentist to do some cosmetic dental work. When I went in for my consultation, I knew almost immediately that Dr. Gary O’Brien was the right dentist for me. He explained all of the procedures he uses to me and showed me before and after pictures of his patients. I really like the results I obtained and the treatment I received from his staff.

Dylan H. from Los Angeles, CA (Source: Yelp)


I am a French Horn player and I would only trust Dr. O’brien to work on my teeth. Dr O’brien is absolutely fantastic. He is on the cutting edge of dentistry and has the nicest demeanor. Being a former trumpet player himself, Gary O’brien knows how touchy us brass players can be about our mouths. That is why I will always recommend him to my fellow musicians and just about anybody else who needs dental work done. For those of you who complain about the cost think of this. I had to have most of my previous fillings redone by Dr O’brien because the cheaper dentists I had gone to had done shoddy work. It would have been cheaper if I had seen Dr. O’brien in the let first place. Get it done once and get it done right!

Tania M. from Burbank, CA (Source: Yelp)


There is not a single review that can do Dr. O’Brien any justice.. He is hands down, THE nicest, most caring dentist I have ever met and really went above & beyond for me. I had a dentist destroy my teeth just 10 days before my wedding, and I had no idea where to go and what to do. Dr. O’Brien made me feel so comfortable and the outcome was simply amazing. Do yourself a favor, make an appointment with him (even if its weeks or months before you can get in) because he is WELL worth the wait and the money spent!

Magdolna B. from Central LA, Los Angeles, CA (Source: Yelp)


Dr O’Brien is this rare exception. I am so lucky that his dentistry is in Los Angeles and that he can preserve his craft he was placed on this earth to do. I would have died in couple of years if I didn’t go to see Dr O’Brien. By accident I found him because my previous dentist never replied to my emails so my friend introduced me to Dr O’Brien. During the 1st visit he immediately diagnosed what was wrong and he told me that he has to do three major operations in my mouth because it was full of infection. Infection releases full of toxins in the body no wonder I was in pain because my body was fighting toxins day by day so he removed all infections and when he showed me all the photos after surgery, I could not believe his amazing work with his experience and his extreme knowledge. Words cannot describe how happy I am with the results of Dr. O’Brien’s wonderful work. All procedures were entirely painless. The quality, naturalness and perfect fit, size and shape of the crowns are truly remarkable. I now have the gorgeous, radiant smile, my mouth is free of infection. I feel more vibrant. Dr. O’Brien has given me much more than a beautiful smile. I feel like I was reborn again he saved my life. I know that he loves his job and he will not rest until he gets the job done. Dr. O’Brien only uses the best material and takes his time until you satisfied with color, shape etc. You can search your whole life through finding a great dentist, this is the place for you. I will make a statue of him. He was placed on this earth to save people ! I urge those people that are considering dentistry to make an appointment with Dr. O’Brien He will always be the only dentist in the world for me and my family. I recommend him highly. I am a true example. With deep gratitude, Magdolna

Emma V. from Glendale, CA (Source: Yelp)


I love this guy! I wound up in his office with horrifically bad pain in one of my wisdom teeth and within three weeks I was pain free, wisdom-tooth free and, most importantly, trauma-free. Which is a first when it comes to me and dentists. Kind of on the expensive side, sure, but dentists are always pricey no matter what. Especially for someone with no insurance. However, Dr O’Brien and his staff were really awesome about accomodating me, they did their level best to make sure I was able to receive the best care on offer and pay for it, and they really made me feel like they genuinely cared about helping me feel better. I was happy to pay a little extra when it meant I was going to be comfortable with the guy sticking drills in my mouth. For anyone who is scared of the dentist or getting procedures done, Dr O’Brien is the kind of person who explains everything, makes you feel really relaxed and calm about the whole thing, and generally just makes the whole experience that much easier. Same with his staff; the nurses and the ladies out front were all so friendly and caring from the second I phoned their office to the very last encounter. Also – conscious sedation FTW! I don’t remember a single thing about getting my wisdom teeth out, I barely felt any pain in the following days as I healed up, and within a week of having FOUR TEETH removed I was totally back to normal. Once I can afford to, I’m going back here again for my next bit of dental work. You really do get what you pay for, and I’m happy to pay the little extra for superior service and care.

J. S. from San Pedro, CA (Source: Yelp)

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I can’t say my visit required any special attention, but I can say that my experience with Dr. Gary O’Brien was the best I’ve ever received in the dental field. The Doc & Staff truly go out of their way to make your experience as pleasant as possible. I moved away for some time and had to get work done. I’m back in town and I plan to make an appointment to see how badly my previous work was done.

Chris B. from Los Angeles, CA (Source: Yelp)


Dr. O’Brien is the best dentist I’ve had the privilege of patronizing. He is exceptionally skilled in numbing techniques. I am *extremely* hard to get numb, as many painful visits to past dentists will attest. Dr. O’Brien gets me completely numb for every visit. He even did a root canal and I didn’t feel *anything* No matter what your dental needs, Dr. O’Brien and his team will get the job done right. However, work this good doesn’t come cheap. If you can afford him, there is no one better qualified than Dr. O’Brien in Glendale.


Dr. O’Brien completed his dental education in June of 1981. He graduated from the University of Southern California School of Dentistry with Highest Honors. He was the recipient of nine awards and letters of accommodation including the Robert McNulty Memorial Award for Highest Scholastic achievement. During his graduate training, Dr. O’Brien was very active in implant research. Over the past 25 years, he has trained thousands of doctors in the basic science of implant placement and bone physiology on four major continents. Now he is concentrating his efforts by providing his patients with the very best in complete dental care through the application of applied science. Research and scientific advancements combined with high tech facilities and unsurpassed surgical skills makes Dr. O’Brien and his team one of the most unique private dental practices in the world.

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