Compassionate, modern, and eco-friendly dental care conveniently located in South Philadelphia with Saturday appointments available.

At Dentists on Washington, we make dental care simple, comfortable, and personalized for every patient. Our experienced team is dedicated to helping individuals and families receive quality treatment in a welcoming environment.
Whether you need preventive care, cosmetic dentistry, restorative treatment, or emergency dental services, we focus on creating treatment plans that fit your goals, comfort, and budget.

Our mission is to help patients achieve healthier, more confident smiles through personalized dental care. Whether your goal is straighter teeth, cosmetic improvements, or simply eating comfortably again, we work closely with you to create a treatment plan that fits your needs and budget.

Dentists on Washington proudly integrates environmentally conscious practices with advanced dental technology to provide safer and more sustainable care for our patients and community.
We understand busy schedules and proudly remain open every Saturday for patient convenience.
Our goal is to create a relaxing and stress-free dental experience for every patient.
We believe dentistry works best when patients and providers work together as a team.
We focus on delivering efficient, affordable, and high-quality dental treatment options.
EXCELLENT Based on 106 reviews Posted on Google Saleha TahirTrustindex verifies that the original source of the review is Google. One of the most crucial things for me when deciding on a care provider-besides communication-are good manners. I'm sure all of us can relate that when we feel vulnerable we look for empathy, kindness & our humanity restored to us; not as another number on a checklist but an actual human. I've found that to be the case here with Dr. Costello & his wife, Dr. Ngo. They are kind, wonderful, will ensure you're comfortable throughout your consultations & exams. They communicate very directly & thoroughly which is a skill I hope they maintain forever. On top of that, they have hired staff which are equally kind & sweet. This seems to be on the forefront of their establishment. Dr. Costello has the most gentle yet firm hands. My experience with him was seamless. He's funny too! Great work, great character. 1 recommend looking into them if you're considering a dental visit! You wont regret it.Posted on Google Margaret OttoTrustindex verifies that the original source of the review is Google. Truly this was the best decision to go there. Everyone was so kind, professional and so helpful. The entire office is spotless. The dentist’s bedside manner was impressive. She explained everything that I needed to know. Great experience all around. Highly recommended this dental practice.Posted on Google jennifer rombergerTrustindex verifies that the original source of the review is Google. Ive been with this practice for years. Could walk there and first time I was overdue for my six month checkup. Ugh a cavity...maybe partly due to chemo...was battling cancer at the time. Years later Ive now had root canal and crown. Both doctors and their entire staff are warm, explain things clearly, and extremely caring and cordial. I recommend them 100%!!Posted on Google ShellyTrustindex verifies that the original source of the review is Google. I have been going to Dentists on Washington for 5 years now. Each visit in the past five years have been great, and that is why I have been going back! Highly recommended!Posted on Google Kevin NguyenTrustindex verifies that the original source of the review is Google. Dentist on Washington has been my family's go-to dental practice for a long time. The admin staff is great, and the doctors and hygienists are amazing. I highly recommend Dr. Costello and Dr. Duyen for their exceptal service and care.Posted on Google Cali RossTrustindex verifies that the original source of the review is Google. Been going here for years, so glad I found them. Always have a positive experience and get the tooth/pain issue resolved same visit. Friendly group that get along very well with each other and it makes the visits enjoyable. Highly recommend!!Posted on Google Richard ClancyTrustindex verifies that the original source of the review is Google. Best dental practice , I have experienced in 67 years for myself , wife abs children . Outstanding Rick CPosted on Google EGWTrustindex verifies that the original source of the review is Google. I had a great experience with the team at Dentists on Washington. They were able to squeeze me in for an emergency visit on a Saturday, and find time in their schedules to get all of my needed work done in the same day. I struggle with anxiety at the dentist and everyone on the team was reassuring and kind. Dr. Ngo was kind, professional, patient, and did a wonderful job. I would recommend this business to anyone who struggles with dental anxiety.
Patients at Dentists on Washington consistently praise the practice for its gentle, painless care and highly professional staff. Reviewers frequently highlight the expertise of Dr. Ngo and Dr. Costello, noting that they take the time to explain procedures thoroughly and make even the most anxious patients feel comfortable. People also appreciate the modern, eco-friendly “green dentistry” approach, which combines advanced technology with a commitment to environmental wellness. Overall, the feedback reflects a welcoming atmosphere where patients feel like their health and time are genuinely valued.

Yes, our Philadelphia office is open every Saturday for patient convenience.
Yes, we work with many insurance providers and help patients understand their coverage options.
We offer preventive, cosmetic, restorative, Invisalign, implant, and emergency dental services.
Yes, we use environmentally conscious practices and advanced digital dental technology.
Yes, we welcome new patients and families in Philadelphia and surrounding communities.