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We are open Monday through Thursday, with hours to accommodate almost any schedule.

Westlake Family Dentistry

16016 Boones Ferry Road

Lake Oswego, OR 97035
(971) 545-4945

  • Monday: 9:00AM – 6:00PM

  • Tuesday: 7:00AM – 4:00PM

  • Wednesday: 7:00AM – 4:00PM

  • Thursday: 7:00AM – 4:00PM

  • Friday: By Appointment Only

  • Saturday: Closed

  • Sunday: Closed

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5 out of 5 stars - 189 votes

5 Stars (189 Reviews)

Read Why Our Patients Love Us

Excellent care, quality, and technique in giving dental shots/numbing. Hands down the best I’ve ever experienced. The time and effort they put into care is noticeably different than other dentists.

Verified Patient

Wonderful office . Most complete exam I have ever had. Highly recommend

J. M. (Verified Patient)

I’m such a baby about any dental work, but my phobia is gone thanks to Dr Sievert and his caring staff. Even complicated procedures are painless. His hygienists are thorough but gentle. And Tracy and Susan run the office really well and make it a pleasure to walk in. Oh, and my teeth look great!

Verified Patient

A double provisional splinting-extracor was performed on a lower front tooth on April 3, 2025. On June 9, 2025 one of the bands broke due to a possible overbite. I was able to get an emergency appointment with Dr. Seivert the following day to resolve the problem. I appreciated the excellent...
A double provisional splinting-extracor was performed on a lower front tooth on April 3, 2025. On June 9, 2025 one of the bands broke due to a possible overbite. I was able to get an emergency appointment with Dr. Seivert the following day to resolve the problem. I appreciated the excellent service.

C. V. (Verified Patient)

I’m a new patient and felt welcomed and comfortable. Front desk staff were great at answering all my insurance questions. Dr. Sievert took extra time to thoroughly explain things to me.

C. K. (Verified Patient)

Great experiences here. They do such an awesome job and I’m so grateful they are very kind!!

K. H. (Verified Patient)

Leaving on a long trip and they got me right in to treat some suddden pain before I left. Dr. Seivert and his staff are great!

C. F. (Verified Patient)

Great service. Nice people. Clear path for treatment.

M. F. (Verified Patient)

Had a great experience with Dr. Sievert getting some treatment done! I was super nervous leading up to my appointment, but he and his assistant were very calming and informative. Dr Sievert utilizes impressive strategies to aid in alleviating anxiety; allowing for a positive, comfortable...
Had a great experience with Dr. Sievert getting some treatment done! I was super nervous leading up to my appointment, but he and his assistant were very calming and informative. Dr Sievert utilizes impressive strategies to aid in alleviating anxiety; allowing for a positive, comfortable experience. I would recommend this practice to anyone with phobia or looking to establish care with a new Provider!

M. H. (Verified Patient)

Dr Sievert had to do a difficult tooth extraction and he is so skilled and experienced. Highly recommend him

H. F. (Verified Patient)