New Patient Hotline

(888) 615-0491

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Meet the Doctors

Dr. James Tong
Dr. James Tong

With more than 30 years of clinical dental experience, Dr. James Tong has been practicing pediatric, orthodontic and family dentistry in Montgomery County for more than 20 years now.

Dr. Tong is a leader in his dental field and a respected member of his community. He is an active member of the American Academy of Pediatric Dentists, the American Association of Orthodontics, the American Society of Dentistry for Children and the Maryland Academy of Dentists.

Dr. Srotalina Khanna
Dr. Srotalina Khanna

Dr. Khanna was born Orissa, India, but came to the United States at the early age of 2. Her family has been living here ever since.

Dr. Khanna attended the University of Maryland for both her Bachelors of Science in Biology and her Doctor of Dental Surgery (DDS) in 2010. She has been working in private practice since graduating and have been a part of our dental family since early 2011.

Dr. Monica Patel
Dr. Monica Patel

Dr. Monica Patel was born and raised in East Tennessee. She has a BA in Psychology from Emory University, and received her DDS degree from University of Tennessee. She also completed a General Practice Residency at St. Barnabas Hospital in New York. She has been practicing dentistry since 2010.

Dr. Patel’s passion for dentistry, patience, and attention to detail allow her to provide the highest quality of care for her patients.

Dr. Yumna Valiulla

Not using Medicaid?

Patients not using medicaid benefits should visit us here:

New Patient Hotline

(888) 615-0491

See What Parents Are Saying

Healthy Smiles
Dental Program

Maryland Healthy Smiles Dental Program is Maryland's Medicaid Dental Program. This program is for children, pregnant women, and adults in the Rare and Expensive Case Management (REM) Program. The program is here to help you stay healthy.

Learn More

Services We Offer

Select a service below for more information. Remember, prevention is always better than treatment, so if it’s been a while since your child has seen a dentist, please give us a call or click to request an appointment.

Happy clients of Dr. Tong's services
New Patient Hotline

(888) 615-0491

Patients without medicaid should visit

Frequently Asked Questions

Select a question below to learn more.

Yes we do!

Maryland Healthy Smiles Dental Program covers most dental care. This includes exams, x-rays, fillings, cleanings and fluoride treatments. Our practice can review what dental services your child needs and determine if they are covered for you.

Maryland Healthy Smiles Dental Program may cover a ride to dental appointments. Call the Transportation Coordinator at your Local Health Department (LHD) for assistance. If you do not know how to contact your LHD, call the Maryland Healthy Smiles Program Customer Service at: (888) 696-9596 between the hours of 7:30am to 6:00pm or visit the website at

If you need additional information regarding transit schedules, bus routes and transportation options - please visit our "New Patients" page and download the available pdf.

Very happy children with great smiles

Office Tour

We look forward to meeting you and your family. Our fun, inviting office is a refreshing place to relax while getting your children’s dental work done, so make an appointment today!

New Patient Forms

If you are a MD Healthy Smiles Program patient you can arrange transportation for your child's dental appointment. For a list of local transportation options that participate in this program please download a pdf by clicking here:

Adobe Acrobat is required to view the above forms. If you have trouble seeing the forms or need accommodation, please contact our office.
Click here to download the Acrobat Acrobat® software.

James Y. Tong, DMD, MS, PhD

803 Russell Ave., Suite 2A
Gaithersburg, MD 20879

New Patient Hotline

(888) 615-0491

Existing patients: (301) 216-1781

Our Other Locations:

Highlands Dental Care
(301) 515-5100
23206 Brewers Tavern Way
Clarksburg, MD 20871
Tong Dental Care
(301) 216-1780
903 Russell Avenue #200
Gaithersburg, MD 20879