Preeti Singh, DDS

Dr. Singh is an experienced general and cosmetic dentist with over ten years of clinical experience. She has been chosen as America’s Best Dentists and is a member of American Dental Association and Arizona State Dental Association. She is a graduate from New York University and moved to Scottsdale in 2008. Her desire to provide the very best for her patients drives her to continue pursuing the latest in technological advances and continuing education, making her the premier choice for cosmetic dentists in Arizona.

Dr. Singh and her husband have three children. When not in the office Dr. Singh is busy with various activities with her kids.

Prachi Tyagi, DDS

Dr. Prachi Tyagi earned her Doctorate in Dental Surgery from the University of San Francisco in 2015. She is a member of the American Dental Association and Arizona Dental Association. Before moving to Arizona in 2019 and joining our team, Dr. Tyagi practiced in Omaha, NE.

She believes in making your dental experience as simple and convenient as possible and prides herself in her ability to listen to and educate the patients.

She is skilled in procedures like Root canals, CEREC crowns, CEREC fillings, Cosmetic Smile Designs, restoring implants, surgical extractions and Invisalign. She takes pride her volunteering efforts and the numerous hours of various continuing education courses to further perfect her skills.

When she’s not helping her patients, she and her husband enjoy spending time with their toddler and reading books.

Kelsey Focht, DMD

Dr. Focht is sincerely excited to serve her community through the field of dentistry. She believes in creating a safe, and compassionate environment for her patients. Dr. Focht is very excited to be joining such a great practice, with such wonderful patients.

Dr. Focht grew up in Wenatchee, Washington , and received her undergraduate degree in Biology from Gonzaga University. While in Washington State she worked as a dental assistant and dental office manager, but quickly realized she would like to pursue dentistry further. Dr. Focht moved to Arizona to acquire her master’s degree in Biomedical Sciences from Midwestern University. After graduating from this program, she acquired her Dental Medicine Degree also from Midwestern University. Dr. Focht is passionate about continuing her education through spear education. She is very excited to be joining the team at Mod Dentistry of Scottsdale.

When Dr. Focht isn’t at work she is cuddling her black lab Walter or reading a good book. She enjoys swimming, being outdoors and traveling. Dr. Focht also loves classic rock music and is learning how to play the bass guitar.


Office Coordinator

Melissa and her family moved to Arizona in 2016 to get away from the cold, snowy Iowa winters. She started her dental career in 1994 as a dental assistant and has been a treatment & financial coordinator since 1996. Having so many years of experience is valuable when discussing procedures and appointments with our dental guests. “I am proud to be a family member of the Mod Dentistry team and feel extremely blessed to get to work with an extraordinary group of people. Because our team offers exceptional care, we have loyal patients that refer their friends and family, resulting in the best practice in Scottsdale.”

Melissa loves being a resident tourist exploring the Southwest. She enjoys hiking, boating, travelling, biking, shopping, live music, and reality TV. Time with her husband, Mike, their children, Madison and Chandler, and their goldendoodle, Zoey, is an important part of her life.

She is excited about her home with the Mod Dentistry dental family and looking forward to establishing relationships with our great patients.

Marianne Aoki

Registered Dental Hygienist

Marianne was born in Singapore and lived in Japan until she moved to Southern California at age 5. She and her family moved to Arizona in 2012 for her husband’s job transfer. Marianne had an interest in dentistry at an early age having grown up in a familiar atmosphere, as her grandfather was a dentist. She started her dental career as a chairside dental assistant in California, working for 8 years until she decided on attending Dental Hygiene School to further advance her experience, specializing in the treatment of gum (periodontal) disease. She graduated from Carrington College in 2018 and loves every day that she gets to meet great patients and help them achieve dental excellence. “I love helping patients meet their optimum oral health goals.”

Marianne loves spending time with her husband, David, their 3 kids and 4 cats. Some of her favorite places that she’s traveled to include Russia, Italy, and Japan.

Samantha Malay

Dental Assistant

Samantha has been dental assisting since 2010. She first started out in pediatric dentistry for 8 years and orthodontics for 2 years. Samantha has always wanted to be in the dental field with having lots of positive experiences growing up and wanted to make others feel the same way.

Samantha is an Arizona native and loves to enjoy a nice patio on her sunny days off. She loves to take day trips around Arizona discovering what it has to offer. Other days she loves to relax and curl up with her cat at home and catch up on her favorite shows.