Storefront Image of Ontario Smiles Dentistry and Orthodontics located in Ontario,CA
DENTIST IN Ontario,CA

Ontario Smiles Dentistry and Orthodontics

Accepting new patients
 
OVERVIEW
OFFICE INFORMATION
OUR TEAM
DENTAL SERVICES
REVIEWS
 
Google map of Ontario Smiles Dentistry and Orthodontics
ADDRESS

909-532-8518

fax : 909-980-0258

4190 E 4th St

Ste C

Ontario, CA

91764

We are located on 4th & Milliken in the Target shopping center. In front of Target and DSW shoes
BUSINESS HOURS
  • Mon : 9:00 AM - 6:00 PM
  • Tue : 8:00 AM - 5:00 PM
  • Wed : 9:00 AM - 6:00 PM
  • Thu : 8:00 AM - 5:00 PM
  • Fri : 8:00 AM - 4:00 PM
  • Sat : 8:00 AM - 12:00 PM
  • Sun : Not operating on sunday
LANGUAGE SPOKEN
  • English
INSURANCE

We accept and honor most dental insurance plans (PPO & HMO). The following are just a few of the dental insurance carriers we’re providers for:

  • Aetna
  • Ameritas
  • Anthem Blue Cross
  • Cigna
  • Delta
  • Guardian
  • MetLife
  • United Health Care
  • UCCI
 
 

Dentist In Ontario, CA

Our team at Ontario Smiles Dentistry and Orthodontics is excited to serve you and your family's dental needs. We are committed to making dentistry accessible to as many patients as possible. We accept many insurance plans and offer a discount plan if you're uninsured.

Ontario Smiles Dentistry provides individualized care, so you're receiving the dental treatment you need. We use industry-leading technology to provide a complete dental experience. We offer teledentistry and online scheduling for your convenience. In-house dental specialists like our orthodontist, oral surgeon, periodontist, and endodontist make it easier to receive the dental treatment you need in one location.

Ontario Smiles Dentistry and Orthodontics is here to serve the local community. Our doors are open for walk-ins and dental emergencies. Schedule an appointment today!

Interior Image of Ontario Smiles Dentistry and Orthodontics located in Ontario, CA
 

Meet the Team

 
Headshot image of Dipti Loomba, Dentist

Dentist

DDS

Headshot image of Robert Hou, Oral Surgeon

Oral Surgeon

DDS, MD

Headshot image of David H. Park, Dentist

Dentist

DDS

Headshot image of Michael Vongphoe, Endodontist

Endodontist

DDS

Headshot image of Vanessa Bikhazi, Periodontist

Periodontist

DDS

Headshot image of William Chen, Orthodontist

Orthodontist

DDS

Headshot image of Ramia Alarkan, Hygienist

Hygienist

RDH

Headshot image of Marcia Cortez, Office Manager

Office Manager

 
 
 

132 Reviews

4.2 Overall Rating
Johnathan Virgil
Johnathan Virgil
January 30, 2024

This is my second time going and having work done. Dr Loomba is special! She has a gentle approach and a very professional office. I had major work done both times and she did a wonderful job. You can tell she strives for perfection and…

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Janet Aguilera
Janet Aguilera
January 20, 2024

Amazing friendly staff!!! Called because I had an emergency and they were able to take me in on the same day. They are really opened on Saturday. Definitely finishing my treatment here and I will be bringing my family as well. Thanks Marsha

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Emiyah Cannon
Emiyah Cannon
December 20, 2023

I had a great visit at Ontario Smiles Dentistry. Everyone was very kind, and worked with me patiently on my options for treatment.

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Cay 94
Cay 94
December 14, 2023

Best dentist ever i got love for everybody here, cant say that about any other dentist

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steven bogan
steven bogan
November 14, 2023

Amazing staff. Had a very loose tooth causing discomfort. I’m from out of town and a trucker, so hard to be seen out on the road. They got me in right away and taken care of.

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Brian Lien
Brian Lien
October 20, 2023

I've been coming to Dr. Loomba for years, she's wonderful and her staff is friendly. Highly recommended.

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Ayzee Zep80
Ayzee Zep80
October 10, 2023

I have my whole family here and we love how friendly the staff is. I came to see Dr. Ramia to do a deep cleaning and she did a fantastic job! We've been coming here for a couple of years now and we see that they care a lot for their patients!

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Kimberly Miller
Kimberly Miller
October 03, 2023

Dr. Yoon was the bomb dentist. She is so nice and friendly and does a wonderful job. Marsha was great too! This is a great place to get your teeth taken care of. Made me feel less anxious about the procedures. Thank you 😊

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Marco Ortiz
Marco Ortiz
September 26, 2023

Love this place. The staff are all very kind and helpful. I've had 5 hour sessions of drilling, cementing, and scraping at this office and managed to actually have a good time. 5 stars all around. Edit to include names: Ilena, Ramia, Dr.…

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Juanita Mitchell
Juanita Mitchell
September 05, 2023

Amazing dental office got me in fast and easy perfect office to start with environment and care is excellent

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Elaine Lee
Elaine Lee
September 05, 2023

The staff is very professional and friendly. I love that I can get everything done at one location. They use very up to date procedures. They are the best!!

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Barbara Knight
Barbara Knight
August 31, 2023

Tech, Maria was very helpful and pleasant. Enjoyed all the experience from front office with the appointment text reminders and all the doctor advice. Be kind to all

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Iris
Iris
August 31, 2023

Excellent people at this office!

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sam rafanan
sam rafanan
August 30, 2023

Love em! My dentist Ramia! She cares! Appriciate her very much! My first dentist and hoping to be my last!

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Daniela Melgar
Daniela Melgar
August 26, 2023

Love their customer service. Dr. pays attention to my concerns and addresses them. Always a great experience

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Carmen Garcia
Carmen Garcia
August 20, 2023

Ontario Smiles has been my dental care place for many year’s. I used to have such a hard time finding a dentist where I felt understood, safe and cared for. I stayed with Ontario Smile’s once I found that Ontario Smiles fulfills all my dental…

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Simon Pham
Simon Pham
August 11, 2023

Love this place. They are very good at explaining what is going on in my mouth and what they are looking for. Lets me know they are well versed and really know what they’re talking about.

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Lydia Martinez
Lydia Martinez
August 08, 2023

Dr. Loomba and her staff are very caring and gentle.The are all professional in every way.They make you feel comfortable and at ease.I have nofear recommending anyone to this dental office.

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Isaiah Cortez
Isaiah Cortez
July 29, 2023

Clean and very friendly great service

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Apolo Corona
Apolo Corona
June 06, 2023

Great service people verify nice and undesirable…👍

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mariah little
mariah little
May 26, 2023

The entire staff at Ontario smiles is truly the best and let me tell you I have experience with dentists! (Poor genetics). They are experts at what they do but I have to give the cake to Maria (Mari). She is AMAZING. Made me feel sooo welcomed,…

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Curtis Rowe
Curtis Rowe
May 26, 2023

Outstanding service from Emily and Dr.Loomba! The BEST Dentist in town😬

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Brandon Broadhurst
Brandon Broadhurst
May 25, 2023

Amazing experience. Very welcoming. Very timely and organized. Whole office was on one page. Very pleasant

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Brea Lisette
Brea Lisette
May 04, 2023

BEST dentist I've ever been to! I used to be the type of person who couldn't even step foot in a dentist's office without having a panic attack, but the staff at this office made me feel so safe, comfortable, and cared for. I have had several…

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aol kem
aol kem
April 20, 2023

Fast and Easy. Appointment are done quickly and correct. All the workers are professional and kind.

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Angel A
Angel A
April 05, 2023

Straight to the point very friendly staff, I recommend them, quick and easy, underrated dentistry in my opinion.

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Kevin Williams
Kevin Williams
March 31, 2023

Wonderful experience. Super polite Dr and coworkers.

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Valeria Guerrero
Valeria Guerrero
March 28, 2023

Everyone was super friendly and nice. My daughter was a little scared but Maria was super awesome with her, she explained everything she was going to do to her. Made my daughter feel comfortable.

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Kevin Sanders
Kevin Sanders
March 28, 2023

Great place for dental. Period!!!

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ernesto martinez
ernesto martinez
March 21, 2023

Very friendly and helpful. I struggle with anxiety especially with doctors but I left feeling that I am in good hands

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Ixtla Medrano
Ixtla Medrano
March 16, 2023

I love this dentist! The Dr is so kind and the office is clean! Marsha and Mariela are the sweetest. I'm normally so terrified of the dentist and they just make me so comfortable.

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Reggie Austin
Reggie Austin
March 14, 2023

Awesome time today with Mrs. Maria and Dr. Loomba.

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Nathalie Washington
Nathalie Washington
March 10, 2023

Friendly and knowledgeable staff. They make the dental care process easy.

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Matthew Valle
Matthew Valle
March 07, 2023

Very polite and cooperative and was able to get me in and out quickly

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Nancy Astorga
Nancy Astorga
February 25, 2023

Today was my first time here, and let me tell you that I had one of the best dentist experience I’ve had in a long time. I was treated with kindness from beginning to end. Marcia is so sweet! She helped me through the sign in process and…

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Michael Stickler
Michael Stickler
February 16, 2023

Maria helped me with X-rays while running from room to room so thankful for her help

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Carmen Ibarra
Carmen Ibarra
February 10, 2023

Amazing staff members, kind and always willing to work with my schedule, all my family attend this location and I highly recommended to friends and Family! Ramia (Hygienist) goes above and beyond to deep clean my teeth, Believe me once you get…

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Casa Rodriguez
Casa Rodriguez
January 31, 2023

Great place to get a teeth cleaning. Great Service.

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Virginia Lopez
Virginia Lopez
January 19, 2023

My entire experience here has been 5 ⭐️ From Mariela at the front desk to the Dental assistant Eileen (who by the way is very kind and informative and thorough) as well as the dental hygienist, the actual dentist Dr. Loomba and all of her…

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Tony Aranda
Tony Aranda
January 17, 2023

Great service. Maria was excellent!

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Ruth Noemi
Ruth Noemi
December 30, 2022

I get really anxious about going to the dentist, but the team here is so amazing and they always make sure I feel safe and heard. They definitely advocate for me every time! Such a great team!

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David Thompson
David Thompson
December 27, 2022

Took me at the very last minute the day after this last Christmas and took care of me or rather took care of my tooth that was killing me. Very professional very polite and did great work.

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Richard Contreras
Richard Contreras
November 18, 2022

My experience was excellent and painless I am very happy

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Simsima B
Simsima B
November 04, 2022

If you’re ever in need of a dentist office. This office is the place to go. The staff is great, customer service is a 10 . My dentist was very patient she explained everything step by step with me. I went in so nervous from a bad experience at…

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Bryan Rodriguez
Bryan Rodriguez
October 25, 2022

Thank you for the help and great team in Ontario.

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Kassidy Kiesel
Kassidy Kiesel
October 20, 2022

The office was so friend and the dentist walked through any issue with pictures to jell explain what was going on

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Darren Fleming
Darren Fleming
October 19, 2022

Excellent staff. Accommodated my schedule. No pain!

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E. Alicia Rico
E. Alicia Rico
August 24, 2022

Doctor is very attentive to your dental needs. She makes it an issue to go over the procedures. Offers payment plans that affordable. I highly recommend.

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Fadi Muheidat
Fadi Muheidat
August 23, 2022

Professional specialist, staff and office manager. They try to accommodate you to the best of their ability. Sometimes in Saturday for full time workers is a relief. High quality services, trustworthy denstist and hygienists. We are glad to have…

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Rohit Sharma
Rohit Sharma
July 28, 2022

Good place to get my teeth cleaned and checked up

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Marlowe Soyangco
Marlowe Soyangco
June 17, 2022

This is my first visit here and i've never felt more comfortable at any dental office than here. All the staff were very friendly and helpful. Dr. Loomba listened to my concerns and took the time to explain things to me. Nick the office…

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Joseph Martin
Joseph Martin
June 08, 2022

Have been going to Ontario Smile for many years and they are very professional and do great work. Would recommend to everyone. Thanks for great service

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Mayra Gomez
Mayra Gomez
May 16, 2022

Never thought I would ever say this I don’t mind coming to this dentist office. I would give them a 5 star rating but the wait time seems to be getting worse from when I started coming here 2 years ago. Overall everyone has great customer…

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Ramon Peinado
Ramon Peinado
May 09, 2022

Great overall experience! Highly Recommend

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Lari Ortegon
Lari Ortegon
April 20, 2022

Great customer service at the front desk. I have been bringing my mother here for a few months and the Dr. has really been great. I work on weekdays so it has been hard to bring my mother during the week for an appointment and so the Dr. offered…

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Raylena Christiana
Raylena Christiana
April 20, 2022

Loved coming to this office ! Great Doctor and Staff, they all really are concerned of your needs and are very helpful .

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Maria Granados
Maria Granados
February 08, 2022

Clean facility and friendly personnel

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Antonia Romero
Antonia Romero
December 08, 2021

At smiles dental that are considerate and they try to go above and beyond to make you happy and my daughter got her first root cornel and she said it was pain free..

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Chrissy Castro
Chrissy Castro
November 29, 2021

Awesome dentist we were late and still seen us very welcoming easy financing and reasonable payments

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Courtne Dougherty
Courtne Dougherty
October 25, 2019

My experience is always great at Ontario Smiles. Carlos and Dr. Loomba are awesome! I definitely recommend this office.

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Sarai Jackson
Sarai Jackson
October 23, 2019

I've had anxiety about going to the dentist for years but Dr Loomba, Carlos, Brenda and staff have been so friendly, gentle and patient with me. Wish I'd come here years ago!

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Jose Contreras
Jose Contreras
October 14, 2019

It was a really great experience, the staff was great specially Carlos and Brenda they have great knowledge and they helped me alot thank you guys..

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danielle haywood
danielle haywood
October 12, 2019

First time visiting this office, all of the staff was very pleasant and helpful. Carlos and Jaycia walked me thru every procedure and explained all of my treatments to me which helped calm my nerves for the process. Usually I dread going to the…

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Kimberly Sanchez
Kimberly Sanchez
October 03, 2019

great service .

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Jana Basse
Jana Basse
November 28, 2018

On my first visit to the dental office, Dr. Sandu and Robyn Johnson where amazing. They were so courteous and rofessional. I was at ease the entire time I was there. They work they did was awesome. I am so pleased with them that I am moving my…

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Kenneth Berrian
Kenneth Berrian
November 09, 2018

Dr. Gill is an artist at her craft. But the staff is amazing and professional. Carlos A was more than hospitable he went above and beyond. Also while he was doing my x-ray another patient of his came to say thank you. As a manager of a…

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Kristopher K. Arneson
Kristopher K. Arneson
November 09, 2018

I am an over the road trucker that woke up with a chipped tooth this morning. I called into the office and instantly felt like I was a regular customer. I was treated so nicely that I knew I had made the right choice right away. Upon arrival, I…

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Luz Lopez
Luz Lopez
September 21, 2018

I really enjoyed my first time visit here at the Dental Office, Carlos made me feel secure and comfortable explained every process with professionalism and the office team made me feel welcome. Doctor Lima was really professional about her work.…

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paluco castle
paluco castle
August 30, 2018

Great service good prices great staff Carlos was very helpful and dr dipti loomba

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Lucila Luna
Lucila Luna
August 27, 2018

This is office is awesome! I like how the assistant Jasmine took care of my X-rays, Dr. Ram was very gentle and constantly asked how I was feeling. Carlos assisted as well and made sure my temporary crowns were perfect. Last but certainly not…

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Victoria Guerrero
Victoria Guerrero
May 16, 2018

Friendly staff Carlos Dr loomba Renee Brenda Recommend this office !!

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Jennifer Precht
Jennifer Precht
May 11, 2018

Best dentist office!

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Vanessa Awad
Vanessa Awad
May 10, 2018

Ontario Smiles is amazing!!! My second visit here and it was just like the first one. I want to thank the assistants Maria and Carlos for being so friendly and making sure I was taken care of. Dr. Gill and OM Renee is so awesome!!

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Fernando Valentino
Fernando Valentino
May 04, 2018

Excellent place! Office girls, doctors and staff are extremely friendly, professional and competent. I recommend this dentist.

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Yolanda Rodriguez
Yolanda Rodriguez
April 27, 2018

Very friendly, great doctors!

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Carlos Aguilar
Carlos Aguilar
April 26, 2018

The staff was very friendly. The employees look like they love their jobs. The dentist was very professional. I will recommend this office to all my family members. Thank you Ontario Smiles

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Elva Felix
Elva Felix
April 25, 2018

Appointment today was fine. Deep cleaning was not as bsd as i thought it would be. Everyone were very friendly .

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Rosendo Godinez
Rosendo Godinez
April 23, 2018

Everyone is very polite and courteous and especially Alma was very helpful.

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Curtis Rowe
Curtis Rowe
April 21, 2018

Carlos did an OUTSTANDING job making my onlays for my teeth, they fit perfect! Best dentist in California 😬

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Claudia Gomez
Claudia Gomez
April 10, 2018

Great experience! The staff is so helpful and nice .

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Mireya Sanchez
Mireya Sanchez
June 14, 2016

I have good customer service, and the dentist have been awesome with my kids too.

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David Butcher
David Butcher
November 10, 2015

Made an appointment to be seen on same day for a painful wisdom tooth than needed to be looked at. I was treated very well from start to finish and they explained every step clearly from the X-Rays to getting the tooth pulled (instant…

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