Katie Guest, BSN, RN

Katie Guest is a registered nurse and aesthetician who is passionate about helping Centennial, CO patients put their best face forward. Katie has many years of experience in the medical field, having worked as a pediatric nurse for more than ten years. She is the owner of Injecting Confidence Aesthetic Medicine where she pairs her medical background and artistic eye to create natural-looking, youthful results. She enjoys getting to know her patients and providing an excellent treatment experience. It brings her great joy to help individuals achieve their goals so they can look and feel their best.


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Katie completed her undergraduate degree in corporate communications at Elon University in North Carolina. Several years later, she obtained her nursing degree from Mercer University in Macon, GA.

Katie is a skilled injector of BOTOX®, XEOMIN®, and dermal fillers and also specializes in a comprehensive array of nonsurgical aesthetic treatments, including laser skin resurfacing, microneedling, HydraFacial®, and PRP hair loss therapy.

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8200 S Quebec St Ste A14

Centennial, CO 80112

Call: 720-704-2600

Trusted, Proven

I can’t say enough wonderful things about Katie at Injecting Confidence. She is not only tremendously skilled but has an amazingly kind heart. She is the greatest!

S.H. Yelp

I have been going to see Katie at Injecting confidence for a couple years now for Botox. She is so warm and welcoming and the atmosphere is very comfortable. Katie helps you understand her services and answers any questions you may have. I won’t go anywhere else because I always have great results every time.

M.N. Yelp

I found injecting confidence a couple years ago because I wanted to try Botox and by just reading reviews I ran across injecting confidence. I love the quality that I get every time I go and the atmosphere is very welcoming and comfortable. Katie is the best, I have seen her for a couple years now and I won’t go to anyone but her.

M.A. Google

Katie is personable, knowledgeable and professional. My experience with her was excellent!

A.B. Google

Katie is absolutely amazing and THE BEST injector! She is kind, caring, and extremely skilled at what she does. I highly recommend.

K.C. Google


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*Individual results are not guaranteed and may vary from person to person. Images may contain models.