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About Us

KN Medspa Team
Kathy Nash KN Medspa Natick

Welcome To KN Medspa

At KN Medspa, our experienced team of professionals are dedicated to providing the highest quality of care and utilizing the latest technologies to achieve stunning results. From facials and microdermabrasion to laser hair removal and Botox injections, we have the expertise and state-of-the-art equipment to help you look and feel your best. Visit KN Medspa today and discover why we’re the go-to destination for expert beauty treatments near Boston, MA.

Meet The Experts

Kathy Nash RN

Kathy Nash

Owner, RN, BSN

Kathy Nash is the owner of KN Medspa, a Registered Nurse who has specialized in Cosmetic Nursing for over 21 years. Kathy is an expert aesthetic injector and trainer, previously working for AIM Aesthetic School and currently consults for Boston BioLife as the PRP specialist for cosmetic use.

Sarah Sevieri

Sarah Sevieri

Medical Esthetician

With over a decade of experience and love for Aesthetics, Sarah has been with KN Medspa for 6 Years. Sarah is a Catherine Hinds Institute of Aesthetics Graduate. She specializes in Chemical Peels, Dermaplanning, Microdermabrasion, RF Microneedling, IPL Facials, Teen Facials, Laser Hair Removal, and Lash Lift and Tint.

Julie Lambert RN

Julie Lambert

Registered Nurse

Julie Lambert has been a registered nurse since 2003. She started her career at Newton Wellesley Hospital, caring for patients on an inpatient surgical unit. In 2010, she received training in Medical Aesthetics and Injectables at the Esthetic Skin Institute in Florida. Julie has a passion for educating patients about the aging process and scientific basis of creating a youthful appearance. She is a highly experienced Nurse Injector who puts her patients at ease with her gentle hand, extensive knowledge and sense of humor.


Caroline Collozzi KN Medspa

Caroline Collozzi

Registered Nurse

Caroline has been an RN since 1998, and a Board Certified Family NP for the past 13 years. She currently is at Top Local Hospital working in the Diabetes and Nutrition Department. Caroline is passionate about working with clients who struggle with Diabetes and Weight Management.  She works closely with her patients, to help them become their best self, through achieving healthy weight-loss and nutrition goals.

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Years In Business
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Years In Aesthetics
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Years In Board Certified Nursing

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Questions? Get In Touch

We’re here to answer any questions you may have and walk you through personalized treatments.

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