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509-315-8500 2020 E. 29th Ave, Suite 130, Spokane WA 99203
Mon-Wed: 8am-5pm   |   Thurs: 7am-4pm

Meet the Dentists

Spokane's Pediatric Oral Health Specialists

Erin Johnson, DDS

Dr. Erin Johnson DDS, MS is a native of Grand Rapids Michigan, where she competed as a competitive swimmer while spending her summers teaching swimming lessons. She continued her swimming career during her 4 years at Calvin College, graduating with degrees in biology and biochemistry. During Erin's years training in the pool, she first realized her desire to pursue a career working with children.

Dr. Erin combined her interest in science and medicine with that of working with kids with her decision to become a pediatric dentist. She graduated from The University of Michigan School of Dentistry in 2006, and completed her Master's Degree and residency in Pediatric Dentistry at the University of Michigan in 2008. Her graduate research involved sedation, and was published in the Journal of Pediatric Dentistry in 2010. She has published articles in Northwest Kids Magazine and Spokane Family Magazine, and was named a "Top Dentist" in the field of Pediatric Dentistry in the Spokane Coeur d Alene Living magazine in 2012, '13, '14, '15, '16, and '17.

Dr. Erin became Spokane's first Board Certified female Pediatric Dentist in 2009, and has physician privileges at Sacred Heart Hospital, Valley Hospital and Holy Family Hospital. She is a member of the American Dental Association, the American Academy of Pediatric Dentistry, the Washington State Academy of Pediatric Dentistry, Washington State Dental Association, and the Spokane District Dental Society. Dr. Erin is an American Academy of Pediatric Dentistry Fellow, an honor designated for those who have contributed above and beyond in the field of pediatric dentistry and organized dentistry. She has volunteered for Special Olympics Special Smiles, as well as Give Kids A Smile.

Dr. Erin met and married her husband, Spokane native Dr. Bret Johnson, while in dental school in Michigan. They have three children; Charlotte, Lyla, and Will. Dr. Erin and Dr. Bret enjoy spending time with Maizie their Golden Retriever, and Blue their Vizsla (named as a salute to The University of Michigan). They also enjoy backpacking, camping, skiing and hiking.

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Becky Coombs, DDS

Dr. Becky Van Gemert Coombs, DDS was raised in Spokane the second of five children. She attended Cataldo Catholic School, Gonzaga Prep High School and graduated from the University of Washington in 1998. She spent her summers working in an orthodontic office where her tremendously rewarding experiences in patient care ultimately led to her desire to become a pediatric dentist.

Dr. Becky graduated from the University of Michigan School of Dentistry in 2002 and worked as a general dentist until 2008. Throughout this time, she particularly enjoyed working with children and decided to further her training by completing a residency in pediatric dentistry in 2011 through the University of Washington. Her research focus during residency was early access, a plan designed to facilitate dental visits for all children before the age of one as recommended by the American Academy of Pediatric Dentists.

Dr. Becky served as a part-time clinical faculty member at Eastern Washington University's School of Dental Hygiene and has physician privileges at Sacred Heart Hospital. She was named "Top Dentist" in the field of Pediatric Dentistry in the Spokane Coeur d'Alene Living magazine in 2013, 2014, 2015, 2016, 2017, and 2018. Dr. Becky is currently a member of the American Dental Association, the American Academy of Pediatric Dentists, the Washington State Dental Association, the Washington State Academy of Pediatric Dentistry, and the Spokane District Dental Society. She spent a year volunteering on the Ronald McDonald Care Mobile and participates in Give Kids a Smile Day.

Dr. Becky is very excited to be settling in her native Spokane with her husband, Cody, son, Sawyer and daughter, Cora. She takes immense pleasure in the many outdoor activities and natural beauty of the Inland Northwest and may often be found at the lake surrounded by family.

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Meet the Staff

A Dedicated Team of Professionals
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Denise, Dental Assistant

"It is my passion to be able to work with children, and ensure that they have positive and fun visits." Denise is originally from the Tri-Cities, and moved to Spokane in 1999 to attend college. She has over 18 years of involvement working with children, including those with special needs, and has been a part of our team since January of 2012. She excels at going the extra mile to make sure her patients have a great experience and are comfortable throughout their appointment. She loves to spend time creating fun activities for her two sons; Renn and Lennon.

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Amber, Dental Assistant

"Being able to see a child leave the office with a smile is a great reward." Amber has been an assistant since 2011 and with our team since January 2012. She enjoys working with children and creating a positive experience at the dentist for them. She enjoys going to hockey games and cheering on the Seattle Sounders wtih her husband. Her hobbies include snowboarding, painting and coffee.

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Tara, Dental Assistant

"I love seeing our patients smile at the end of their appointment and wanting to come back." Tara joined our team in February 2013, but has been working with children in the dental field since 2008. She and her husband have 2 daughters, with whom they spend as much time as possible. Tara taught both of her daughters how to ski, and her hobbies include skiing, running, riding ATV's, and spending time at the lake with family.


Heidi, Dental Assistant

"Creating a comfortable and positive experience for children at the dentist has always been a joy of mine. It is so rewarding to see families leave the office with a bright smile!" Heidi joined our dental team in May 2014 and has been working with children as a dental assistant since 2009. She enjoys visiting her sister in Friday Harbor, playing games, dancing and cheering for the Seahawks! Most of all, she loves spending time with her family and two children, Lincoln and Emma.

Olivia Mast

Olivia, Dental Assistant

Olivia was born and raised in Spokane WA, and joined our team in 2017.  Her favorite part about working with kids is "being able to see a child grow at each visit and gradually become confident in themselves."  She is currently working and going to school to pursue her dream of becoming a Registered Nurse.  In her free time she enjoys going on hikes and spending time with her dog, Jax and cat, Toby.


Kym, Restorative Hygienist

Kym fell in love with Spokane after moving here to attend Eastern Washington University. She has specialized in treating children since 2006, and has been part of the South Hill Pediatric dental team since we opened our doors in 2011. She is an adjunct professor at EWU in the dental hygiene department. She and her husband have two young boys who keep her very busy when she's not in the office or the classroom. She enjoys the outdoors, reading and crafting.

Topher Callaham

Topher, Patient Care Coordinator

Christopher (aka Topher) was born and raised in Tacoma and moved to Spokane in 2004.  He has been in the dental industry since 2011.  When we asked him what he loves most about working with kids, he replied "I love to see the excitement on the kids' faces when they come running through the door ready for their appointments."  In his spare time he enjoys spending time with his wife and 6 children, cycling, watching the Seahawks and Mariners and coaching his son's baseball team.  

Amy La Brosse

Amy, Hospital Coordinator

Amy is originally from the Pacific Northwest and has spent 13 years in San Diego, and 3 years in Okinawa Japan.  She loves to travel, and her farthest trip has been to Thailand!  She has been in the healthcare industry for 14 years, and has two teenage sons who are busy with football and band.  Since joining our team, Amy has helped streamline our front office and has helped us to navigate the complex and changing world of dental insurance.

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Michael, CRNA

Michael is our Certified Registered Nurse Anesthetist (CRNA). He has been in practice since 1986, and has been treating children exclusively for much of that time. He received his masters degree in Anesthesiology from the Medical College of Pennsylvania and is board certified by the American Association of Nurse Anesthetists. He has done all types of anesthesia, but most enjoys working with pediatric patients in a private office setting. He and his wife have three sons with whom they love spending their time.


Deborah, Insurance Coordinator/Consultant

"I am privileged to work with the most energetic and dedicated team I've ever met. Dr. Becky and Dr. Erin are committed to forging nurturing relationships with the families we serve, and our office truly reflects that." Deborah is our office manager, and has been with South Hill Pediatric Dentistry since we opened our doors. She coordinates patient appointments, files insurance claims, manages the doctor's schedules so that Dr. Becky and Dr. Erin can focus all of their attention on your child. She and her husband have 3 adult children, and enjoy being outdoors, caring for their garden, and cheering for the Zags!

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Julie, Lead Scheduling Coordinator

"My favorite part about working in pediatric dentistry is watching kids cling to the doors because they don't want to leave after their appointment!"  Julie grew up in the Northwest, and after moving around with her husband in the military, they settled down in Spokane when he retired.  Julie has worked in dentistry for over 30 years, and has been a member of our team since the day we opened! She loves spending time with her family boating, hiking and traveling, and her two dogs.

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Amy, Office Manager

You will see Amy greeting our patients when you walk into our office! She has always enjoyed working with people which led her to becoming a receptionist. Prior to coming to South Hill Pediatric Dentistry, Amy had two years of experience working as a receptionist in the dental field. She loves the outdoors and enjoys several activities like hiking, swimming and boating. Amy is also a huge Seahawks fan, so she is busy cheering them on every Sunday starting in the fall!