(509) 497-7777 Mon-Thurs: 8am-5pm | Fri: 8am-3pm

Welcome to

Mid-Columbia Dental

Mid-Columbia Dental 5 Gold Stars

A Top-Rated Dental Office in the Tri-Cities!

Looking to upgrade your dreaded dental appointment?

We've transformed the dental experience!

Mid-Columbia Dental represents everything “going to the dentist” is not. We have upgraded your dreaded dentist appointment and transformed it into a relaxing and pampering wellness visit.

We strive to deliver the highest quality care, unprecedented comfort, and service.

Call today and come experience the 5-star difference! (509) 497-7777

Mid-Columbia Dental 5 Gold Stars

"Dr. Spencer and his staff were absolutely phenomenal! I felt so welcome from the moment I walked in. Couldn’t ask for a better experience honestly! I highly recommend going here." - Jennifer H., Member Since 2019

Meet the Doctors

Mid-Columbia Dental Dentist Dr. Tim McNamara

Dr. Tim McNamara

Dr. Tim doesn't help only patients, he helps dentists all across the US and Canada! He owns a dentists-only coaching company. His network brings the top clinicians in the industry together to teach at his two facilities in Scottsdale and Indianapolis. You are now able to see the dentist other dentists look up to, right here in the Tri-Cities!

Mid-Columbia Dental Dentist Dr. Spencer Greer

Dr. Spencer Greer

Dr. Spencer is an award-winning dentist and authority in implant dentistry and is certified in conscious sedation dentistry! On his free-time he enjoys golfing, sleeping, donuts, and movies with his wife and 4 kids (with one on the way!) Originally from Arizona, and his wife from Washington, they both love how to Tri-Cities has all four seasons and makes them both feel very much at home!

Online Reviews


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Mid-Columbia Dental 5 Gold Stars

“Dr. Spencer and Dr. Tim are awesome! They are professional, skilled, very kind and gentle, and both have a great sense of humor. They and the staff at Mid-Columbia Dental immediately made me feel comfortable.” - Carolyn J., Member Since 2017

Our Convenient Locations


2620 S. Williams Pl. Suite 120
Kennewick, WA 99338

(509) 497-7777

Mon: 8am – 5pm
Tues: 8am – 5pm
Wed: 8am – 5pm
Thurs: 8am – 5pm
Fri: 8am – 3pm
Sat: By Appointment


6825 Burden Blvd. Suite B
Pasco, WA 99301

(509) 497-7777

Mon: 8am – 5pm
Tues: 8am – 5pm
Wed: 8am – 5pm
Thurs: 8am – 5pm
Fri: 8am – 3pm
Sat: By Appointment

Dental Implant TESTIMONIAL

Join one of Washington's fastest-growing dental families and get the smile you deserve!

With over 550 5-star Google reviews from people just like you, What do they know that you don’t? Make an appointment today and come experience the difference!

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Google5-Star Reviews
"Fantastic experience! The staff was great, from the front desk to the dental hygienist. Friendly and knowledgeable all around..." - Nate B., member since 2019
"Doctor and hygienist both explained everything that they were doing start to finish and were very helpful with any questions I had!" Alexis W., Member Since 2019
"I just had four teeth extracted and 2 broken teeth capped. There was absolutely no pain, not even with the injection of the local anesthetic." - Sharon R.
"I love how they greet you by name as you walk in the door and everyone knows who you are. All the staff are so nice." - Ruth B., Member Since 2019
"The staff at Mid-Columbia Dental is wonderful. They’re a very competent, caring and friendly crew!" - Elaine R., Member Since 2019
"My kids are not afraid to attend their Dental appointments and neither am I thanks to Mid-Columbia Dental." - Kira P., member since 2019
"I visited the office for the first time today and had a wonderful experience. Everything was done fast and all of the staff were extremely friendly." - Korey W.
"This office is very professional and make me feel like I’m apart of their family! Thank you so much for everything!" - Zack S., Member Since 2019
"The environment was clean and chic! FYI they have massage chairs :)" - Laura C., Member Since 2019
"Very polite and thorough. Dr. Spencer helped me out with my anxiety with multiple options to make me feel most comfortable." - Ashley Z., Member Since 2019
"Dr. Spencer’s the absolute best! All the girls in the office are super sweet. Couldn’t be happier with my experience. I’ll definitely be back!" - Kinsi G., Member Since 2019
"This office is a delight to work with. We have had everything from cleaning to crowns. Office personnel and dentists alike are awesome." - Anne E.
"The service is wonderful, great staff and friendly service. Went in for a Crown and was very pleased with the professional care that was provided." - Laura H.
"Dr. Spencer and his staff were absolutely phenomenal! I felt so welcome from the moment I walked in. I highly recommend going here. 💕" - Jennifer H.
"When you walk in, to your left, on the wall is their “Mission” statement. I believe everyone exceeds that and raises the bar." - Luke S., Member Since 2018
"I found this dental office using the Google reviews, and I hope my review today will do the same for someone else looking for a dentist! Look no further!" - Shelby T.
"I was immediately put at ease at my first visit. The entire staff was super friendly and accommodating to my needs." - Meaghan G., Member Since 2019
"Thank you so much for your kind service! The doctor was very knowledgeable and funny. The assistants were very helpful too! Everyone was awesome." - Nele B.
"Wonderful experience while getting my teeth cleaned. MCD Is my forever dental family 😬 THANK YOU!! 5 stars!!!" - Bryson G., Member Since 2019