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Dr. Gina Lightner, DMD, comes to Washington state from Boston, Massachusetts, and brings her extensive post-doctoral training, private practice experience, and positive enthusiasm to her service of the patients of Thomas Dentistry- Mercer Island!
Dr. Lightner completed her undergraduate studies at Rice University, where she earned a B.A. in Kinesiology with a concentration in Sports Medicine and a B.A. in Philosophy, before going on to earn her DMD Doctorate of Medicine in Dentistry from the Tufts University School of Dental Medicine in Boston, MA. During her time at Tufts Dental, Dr. Lightner was not only recognized on the Dean’s list for her academic achievements, but also inducted into the Honus Civicus Society for her exceptional commitment to and action in community service and civic engagement.
Dr. Lightner went on to complete a residency at the prestigious Mount Sinai Hospital in Manhattan, New York City, where she served as first-call for the Mount Sinai Emergency Department on the Upper East Side as an on-call member of the Oral and Maxillofacial Surgery team, responding to extensive dental emergencies ranging from infections to complex facial trauma. There, she also received advanced training in digital dentistry, aesthetic dentistry, Invisalign orthodontics, and implant dentistry in various private, community, and hospital clinics across New York City, while completing rotations in anesthesiology, pediatric dentistry, and medically advanced dentistry, alongside her medical and surgical colleagues.
Dr.Lightner then began her career in private practice in downtown Boston, where she served working professionals, families, and long-time residents of Boston and Cambridge as a general and cosmetic dentist for years. During this time, she has continued to expand upon her knowledge and skillset through post-doctoral training through esteemed institutions such as the American Academy of Facial Esthetics, the Academy of General Dentistry, and the American Dental Association.
Dr. Lightner is beyond excited for the opportunity to provide exceptional, comprehensive, and customized dental care to all her patients in the warm and comfortable environment of Thomas Dentistry- Mercer Island. Her favorite part of dentistry is getting to know her patients and being a part of her patients’ lives, and she is excited to meet you!
Thomas Dentistry accepts all major forms of dental insurance and offers an optional dental membership program to help pickup where dental insurance leaves off or for patients who lack dental insurance all together. Our dental membership program is far superior in cost and benefit than most forms of dental insurance!
Dr. Lightner holds a Dental Degree (DMD) and has completed a residency at the prestigious Mount Sinai Hospital in Manhattan.
Read More Reviews
Read our reviews from all Patients.
kirk packard
Happy Client from Kirkland Office“I have had a ton of dentistry done and have been to alot of dentists. These folks have it together. Just had a molder crown replaced. Quick ,completely painless and my bite is perfect 1st try. Absolutely no adjusting and then they repaired a front tooth I had broken after quickly epoxy in molder. This was the 2nd appointment to install crown and I was only in the chair 20 min. Went like clockwork and looks awsum. Thanku. Only thing better would be free haha!”
Marna Reams
Happy Client from Kirkland Office“Cathy did an amazing job cleaning my teeth! She was informative on what is going on in my mouth! Looking forward to my next cleaning!”
Vanessa Hoffman
Happy Client from Kirkland Office“This was my first dental visit and I must say they were definitely unorganized as their X-ray machine kept freezing the images delaying my appointment and they’re not put together. The manager Carmen told me I was going to have to pay a $70 balance. Which I completely agreed on no problem. I got a bill for $140 and was never told I had a $50 co-pay on top & they don’t use silver filling so I had to pay extra for a white filling. I was not told about any of these extra charges. The manager Carmen hung up on me over the phone without trying to fully explain everything and was very rude to me. I would not recommend this dentist because they are not truthful and they want you to pay double your bill so please be careful.”
Adrestia Frontida
Happy Client from Mercer Island Office“Friendly, casual, and comfortable environment, because of the team of knowledgeable and caring staff, starting with Molly at the front desk!😃”
jules rasar
Happy Client from Kirkland Office“I've looked for a dentist in the Seattle area for eight years. I'll never go anywhere else. The last year with Dr Thomas has been great. His staff is just as great. Very solid work.”
Ankita Joshi
Happy Client from Kirkland Office“Dr. Thomas is great. Very friendly and takes time to address your concerns. The staff is very helpful as well.”
Megan Cosgrove
Happy Client from Mercer Island Office“This is the best dentistry in the PNW! Molly at the front desk is so kind and always makes me feel like one of their VIP clients. The dental hygienists are all kind and Doctor Thomas is a straight shooter. Both myself and my Mom visit this office and couldn’t recommend it more!”
Janelle Denson
Happy Client from Mercer Island Office“I love coming here & I’m always greeted with smiles. It truly makes me feel great that the staff remembers my name & even though I visit every six months for my cleanings, our conversations pick up right where we left off. Marna, Rosie & Dr. Thomas are THEE BEST! I’d leave ten stars if I could.”
Barb Patterson
Happy Client from Mercer Island Office“I needed a dentist close to home and they are close enough for me to walk. I've been twice now and both times had a great experience. Dr. Jaswal has a wonderful chair-side manner and super sense of humor.”
Peter Christian
Happy Client from Mercer Island Office“I did not have a dentist in the Seattle area and choose Thomas Dentistry because they were close and nearby. Boy, did I strike gold! I hadn't been to the dentist in a while and I needed some work done to get clearance for a other medical procedure. They were so great in getting me set up and expediting my treatments. Everyone was very professional and friendly. I can highly recommend them for your dental work.”
Frahnz Dendy
Happy Client from Kirkland Office“Just a cleaning today. Megan was very good, a professional who is very capable at what she does. Pleasure visiting this dental office.”
Sarah Gielgens
Happy Client from Kirkland Office“I have been a patient at Thomas dentistry for over 10 years and have always appreciated their open and friendly atmosphere, knowledgeable and helpful advice, use of new technology and methods, consistent and kind care. Dr. Thomas, Dr. Nguyen, and Dr. Jaswal have all demonstrated genuine care and interest in their patient’s lives, dental health and history, and other medical concerns. I admire their dedication to providing excellent solutions to dental problems, and patience with special issues. I would recommend this team to everyone!”
Jacqueline Roer
Happy Client from Mercer Island Office“Five stars! Great Dentist and work he does and great staff.”
E. Victoria Simone
Happy Client from Mercer Island Office“I truly love my dentist and the wonderful staff. I’ve been a patient for almost six years and my visits have all been a good experience. I feel confident and well cared for. Everyone is friendly and very professional. 100% Thank you all!”
Milo
Happy Client from Kirkland Office“Great dentist! I came after Covid for my first checkup and cleaning, and ended up needing to have some childhood crowns replaced. During the process they were very thorough, even once getting a crown remade to have a perfect fit. One of those visits came in under the estimate. I appreciate the care they take in their practice. The staff are always nice and fun to talk to. Since my first series I’ve come here for over a year and have always had great experiences. Still need to floss more but the dentists and assistants are super nice about it! Also have great reminder system, and are very patient and thorough when working on insurance issues.”
Jordan Hansen
Happy Client from Kirkland Office“Kathy D is fantastic and I definitely recommend her for routine cleaning. She is very thorough and cares for her patients. I greatly appreciate my visits.”
William Kit
Happy Client from Kirkland Office“Friendly, Highly Skilled and the Staff explain every detail of procedures needing to be done including Billing Pricing. I Highly recommend Thomas Dentistry!!”
Audra Saisslin
Happy Client from Mercer Island Office“LOVE LOVE LOVE Doctor Thomas! Funny guy who always makes me feel relaxed and comfortable. Rosie is an excellent Dental hygienist! Love the whole staff and truly enjoy going to the dentist now. 11/10 would recommend.”
Dan Nordale
Happy Client from Mercer Island Office“Thomas Dentistry makes going to the dentist something to look forward to.”
Brianna Lyon (Brie)
Happy Client from Kirkland Office“Everyone is very kind from the start. I have high anxiety dealing with my teeth and dentists; and everyone was incredibly helpful and informative! I'm really happy I found this place for my smile needs!”
Dr. Lightner offers a wide array of dental services to meet the diverse needs of her Kirkland patients. Her expertise extends from basic preventive care, such as cleanings and check-ups, to more specialized treatments like surgical extractions. Dr. Lightner is also skilled in endodontic procedures, including root canal treatments. Her comprehensive approach ensures that whether you need routine care or more complex treatments, you’re in capable hands.
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