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About US

We are Rio Dental
Where Our Family is Caring for Yours

We are located at: 2740 Valwood Parkway Suite 144 Farmers Branch, Texas 75234

Our hours of operation is: M: 2-7pm, T-Th: 11am-7pm, F: 9-5pm, Sat: 9-3pm

You can reach us at: (972) 746-2533

We accept most PPO Insurances which include Medicaid and CHIP. We also accept most forms of payments. For more information, see our About page.

  • Large Insurance Coverage
  • Medicaid and CHIP

Our Team

Meet Your Wonderful Doctors
Dr. Loc Doan, DDS
General Dentist
Dr. Doan graduated from the University of California, Riverside with a Bachelor’s degree in Biological Sciences and a minor in Business Administration. He then went on to receive his Doctorate in Dentistry from the University of Southern California. After receiving his DDS, Dr. Doan continued with advance training while serving veterans in a General Practice Residency for 2 years at the VA Hospital in Los Angeles, CA. Dr. Doan enjoys watching as well as playing basketball and football. He also values his time with family and friends and tries his best to spend any free time with them.
Dr. Russell Choy, DDS
Board Certified Pediatric Dentist
Dr. Choy attended the University of California Santa Barbara where he obtained a Bachelors in Science in Biopsychology. He then moved to Los Angeles for his dental degree at the University of Southern California School of Dentistry. He received his specialty certificate in pediatric dentistry at Tufts University in Boston. It was here where he received extensive training in child psychology/behavior management, pharmacologic sedation, hospital dentistry and interceptive orthodontics. He became board certified in pediatric dentistry in 2014. Outside of the office, you can find Dr. Choy either on the golf course, at the bowling alley, or on the soccer field.
Dr. Nathan Coughlin, DDS, MS
Board Certified Orthodontist
Dr. Nathan Coughlin graduated from the University of Alberta, Canada, with a bachelor degree in Biological Sciences. He then decided to move across the border to attend the University of Southern California to obtain his Doctorate in Dentistry. Dr. Nathan continued his training at USC and received his Masters degree in Science and became an Orthodontic Specialist. In an effort to become the best orthodontist for his patients and after further studying Dr. Nathan became a Diplomate of Orthodontics. In his spare time Dr. Nathan enjoys playing basketball, golf and relaxing with his wife, friends and dog.

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