Phillips Ranch Dental Group · Diamond Bar, California
Modern Dentistry.
Thoughtful Care.
Comprehensive dental care supported by advanced technology and a team that puts your comfort first.

Welcome to Phillips Ranch Dental Group
A more personal approach to modern dental care.
For decades, families across Diamond Bar, Pomona, Walnut, and the surrounding communities have trusted our team for compassionate, comprehensive dentistry. We make each visit clear, comfortable, and centered on your goals.
From preventive care and cosmetic dentistry to implants and Invisalign®, you can receive the care your smile needs in one welcoming practice.
Discover our practice →Meet your doctors
Expertise with a human touch.
Your care begins with doctors who listen closely, explain clearly, and recommend treatment with your long-term health in mind.

Dr. Sanjay Merchant
Doctor of Dental Surgery
UCLA-trained and raised in Southern California, Dr. Merchant focuses on minimally invasive cosmetic dentistry, endodontics, and dental implants.

Dr. Janet Choi
Doctor of Dental Surgery
Dr. Choi combines advanced training in restorative dentistry, endodontics, and oral surgery with a warm, patient-centered approach.
Comprehensive care
Everything your smile needs.
Personalized dental care for children, teens, adults, and seniors—all delivered with a focus on comfort, clarity, and lasting results.
Family Dentistry
Cleanings, exams, digital X-rays, fillings, and preventive care for every stage of life.
02Cosmetic Dentistry
Veneers, bonding, whitening, and personalized smile enhancements designed to look natural.
03Invisalign®
Discreet clear aligner treatment with digital planning and a preview of your future smile.
04Dental Implants
Modern tooth replacement planned for comfort, function, and a confident natural appearance.
05Restorative Care
Crowns, bridges, dentures, and other solutions that restore strength and function.
06Emergency Care
Prompt, compassionate attention when dental pain or an unexpected problem cannot wait.
Technology with purpose
Better information. More comfortable care.
We use modern dental technology to make diagnosis clearer, treatment more precise, and visits easier for you.
Comfortable digital impressions and Invisalign smile previews without traditional impression trays.
Detailed imaging that helps our doctors diagnose concerns and explain your options clearly.
Thoughtful techniques designed to preserve healthy tooth structure whenever possible.
Patient experiences
Kind words from our community.
“I have been a patient since I was a young girl. I appreciate the service this dental group has to offer.”— Alanna C.
“The hygienist and dentist are honest and take care of you well. One hundred times better than my previous dentist.”— Kevin H.
“My doctor is great and very professional. I got a new crown and I’m so happy with how perfectly it fits.”— Maria S.