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Comprehensive Orthodontic Care in Frisco


Drs. Greenberg & Ortiz treat children, teens and adults for ALL their orthodontic needs. In addition, Dr. Greenberg is an “Airway-Aware Orthodontist” with extensive airway training and growth/development knowledge of the face and head. He is uniquely qualified to recognize and work in conjunction with SDB Physicians regarding pediatric obstructive sleep apnea issues. At RxSmile, we strive to educate and assist our patients in making informed decisions about all their oral health needs, while creating a warm, friendly and fun atmosphere.

Greg Greenberg, D.D.S.

Dr. Greenberg began practicing orthodontics in 1988 and has spent his entire career caring for two generations of families in the Frisco and North Dallas metropolitan areas. He is a member of the American Association of Orthodontists, Greater Dallas Association of Orthodontists and Southwest Association of Orthodontists, along with many other dental associations. He received his certificate in orthodontics from Columbia University School of Dental and Oral Surgery, a Doctor of Dental Surgery (DDS) from Baylor College of Dentistry and his bachelor of science from Tulane University. He is a native of Dallas and married his college sweetheart, Lauri. They have two lovely children, Rachel and Mitchell. In his free time, he enjoys fishing and playing tennis. Dr. Greenberg and his team have received numerous prestigious consumer and peer nominated awards for their excellent patient experience.

Dr Greg Greenberg, DDS, RxSmile Frisco Orthodontist
Dr Jan Ortiz DMD, RxSmile Frisco Orthodontist

Jan Ortiz, D.M.D.

Dr. Jan Ortiz graduated in 2005 from the University of Puerto Rico School of Dental Medicine where he is natural from. After finishing his dental degree at the top of his class, Dr. Ortiz obtained his Certificate in Advanced Graduate Studies at Tufts University School of Dental Medicine focusing on special needs and medically compromised patients. Later on, Dr. Jan Ortiz received his specialty training in Orthodontics and Dentofacial Orthopedics combined with a Doctorate in Sciences in dentistry from Boston University Goldman School of Dental Medicine. During his entire dental training, Dr. Ortiz was involved in numerous research projects and publications regarding bone metabolism. These research projects have enabled him to have a better understanding of bone behavior and ultimately, tooth movement. Dr. Ortiz is an active member of the American Association of Orthodontists, the Boston University Alumni Association and the Southwest Association of Orthodontist. Dr. Ortiz is also a Board-certified orthodontist under the American Board of Orthodontists. Dr. Ortiz enjoys spending time with his family, traveling and watching sports.

Meet the RxSmile Team

Lisa, RxSmile Orthodontics, Practice Administrator


Practice Administrator

I have been with Dr. Greenberg from his opening day in 1988! My main job is to oversee the day-to-day functions of the office. I always enjoy visiting with patients during their appointments and getting to know more about each individual. I have two wonderful adult children. In my spare time I enjoy thrift shopping, and spending time with my family and friends.

Gayla, RxSmile Orthodontics, Treatment Coordinator


Treatment Coordinator

I began working at RxSmile in 2001. I have over 20 years experience in all aspects of orthodontic patient treatment and care. I enjoy meeting new people and seeing the patients become more and more confident and happy as their smiles change! We have a lot of fun while delivering excellent results! In my spare time, I love to hunt, camp, sing, and spend time with my grandbabies!

Mira, RxSmile Orthodontics, Treatment Coordinator


Treatment Coordinator

I was born and raised in Colorado and have worked in the orthodontic field since 2016. I am extremely excited to join the RxSmile team! I’ll be your best friend throughout your entire smile journey. I will help you to achieve the confident and beautiful smile you have always wanted. Outside of creating smiles, you can find me being a food influencer all around DFW (@rubys_foodies), cycling on a bike that goes nowhere, or spending time playing board games with my family.

Malaika, RxSmile Orthodontics, Treatment Coordinator


Treatment Coordinator

My name is Malaika! I have been working in Orthodontics since 2020 and at RxSmile since August 2022. I LOVE THIS PLACE, IT’S SO AWESOME! Here at the office, you will either see me as the Observation Treatment Coordinator or as a Clinical Assistant putting on braces. I can’t wait to see all of your smiling faces! Outside of work, I own an online candle company called Gray House Boutique Café. I am always looking forward to have new customers, so feel free to ask for more information. On occasion, I sing with a few local bands. Come and check out a show, or join in when I’m singing and dancing to fun tunes in the office!

De'jah, RxSmile Orthodontics, Patient Relations Coordinator


Patient Relations Coordinator

My name is De’jah and I may be the one you speak with when you call our office (: I’ve been in the dental field since August 2021 and have loved every second of it! I recently moved from Indiana, so you know I spend a lot of my time in the sun now that I am here in Texas. I am a huge risk taker and believe getting out of your comfort zone is the best way to find your true potential! If you can’t find me at work, you can find me reading by the pool, at church, at the gym, or spending time with friends. I look forward to meeting all of you and seeing your smiling faces. I am so blessed to be a part of the RxSmile Team!

Kaelan, RxSmile Orthodontics, Patient Relations Coordinator


Patient Relations Coordinator

My name is Kaelan, I am the Patient Relations Coordinator here at RxSmile. I just recently moved to Texas from Washington State to be closer to my family and I am loving it here! When I am not working I enjoy spending my time with my friends finding new restaurants to try together and playing with my puppy at home. I am looking forward to seeing each and every one of you at RxSmile!

Holly, RxSmile Orthodontics, Clinical Coordinator


Clinical Coordinator

I have worked at RxSmile since 2018, where Dr. Greenberg has taught me everything I know about orthodontics. I am originally from Houston (Go Astros!) and in my spare time I am at a concert or petting dogs.

Tuscany, RxSmile Orthodontics, Orthodontic Assistant


Orthodontic Assistant

My name is Tuscany and I’m an Orthodontic Assistant. I have been in the dental field for 7 years. I recently moved to the Dallas area from Mississippi. I love dancing, going to church, and hanging out with my friends and family. I am so happy to be apart of the RxSmile family.

Christina, RxSmile Orthodontics, Orthodontic Technician


Orthodontic Technician

Hello, I am Christina. I am so excited to join the RxSmile team! I have been in dental since 2018. I am a mom to 3 beautiful kids. I love to spend time outside with my family. My hobby is transporting my kids to all their sporting events.



Orthodontic Technician

I’m so excited to be back working my dream job, after several years of deployment! I have been in the Texas Army National Guard for over 10 years now. I enjoy going country dancing, running, and doing outdoor activities with my long-term boyfriend and our three dogs.

Patients describe RxSmile as “thorough; dedicated; friendly and innovative”.

What Sets Us Apart

Dr. Greenberg and the RxSmile Team repeatedly win prestigious consumer and peer nominated awards for their excellent patient experience, and for being one of the most trusted orthodontists in the North Texas area. All of these awards are a great honor and a testament to Dr. Greenberg’s dedication to providing highly personalized, comprehensive orthodontic care.

RxSmile, Dr Greg Greenberg, Frisco Orthodontist awards

We are in-network with most insurance plans and patients love our extremely flexible payment options through OrthoFi!

We’re here to discuss any of your concerns and answer any of your questions!
CALL (972) 335-1300 or make an online Appointment Request to set up a complimentary consultation.

Take a 360 Office Tour

We’re conveniently located in the Frisco-Plano-North Dallas metropolitan area, across the street from The Star in Frisco. Our offices are modern, colorful and clean. Our friendly, RxSmile team makes sure appointments run on-schedule and are always available to answer questions. Our iPads and Photo Booth keep the kids entertained while they wait. Take a 360 virtual office tour below or fill out an online request for a complimentary new patient consultation and come in to see for yourself!

CALL (972) 335-1300
Hours | Mon-Thur from 8:00 am – 5:00 pm
After-Hours Emergency | leave voicemail & doctor will return your call

Smile Gallery

Your Beautiful Smile begins with a Complimentary Consultation!

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