About Catalyst

Welcome to Catalyst!

Experience the Difference

For nearly 20 years, Catalyst Medical Center & Clinical spa has been this agent of change for many. Catalyst is a multi-specialty clinic renowned for the compassionate care provided by the experts whose life passions are to help their patients lead happier, healthier, more beautiful lives. The blend of cosmetic procedures and health services enable us to treat each patient in a unique manner and atmosphere – inside and out. An oasis for wellness, Catalyst provides services from allergy and sinus, facial plastic surgery and functional medicine to laser treatments, cosmetic injections, and dermatology. And at Catalyst, beauty and wellness aren’t just skin deep. Beyond just the services they provide in-house, the staff at Catalyst aim to be active members of the community.
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So what sets Catalyst apart?

Our Founder, Dr. Susan M. Mathison, is a Stanford educated, triple-board certified physician. She’s received numerous accolades for leadership and Top Doctor for her clinical skills. Dr. Mathison has been the pioneer of the region bringing Botox to Fargo over two decades ago! She is involved in several organizations in the Fargo-Moorhead community including Dakota Medical Foundation, TedXFargo, and The Choice Financial Board.

So what’s the one thing that sets Catalyst apart? To answer that would be a disservice to the whole enterprise. To asses Catalyst, you must weigh-in the exclusivity of high-end treatments, or reflect the personal relationships between patients and providers, or measure their dedication to giving back to the community. Patients choose Catalyst because they don’t want to feel like a number. With a team that is led by strong ethics, the personalized touches that Catalyst provide make patients feel safe and confident in the services provided. Catalyst doesn’t just stand out in one field, but in all, they touch… and that is the Catalyst Difference.

Please, join us and experience the Catalyst Difference for yourself!

Catalyst Culture

Meet The Catalyst Team

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Dr Susan M. Mathison, MD

Founder, ENT, Facial Plastics, Sleep, Functional Medicine Specialist -Triple board certified in ENT, Sleep and Integrative Medicine.
Taylor Fontaine PA C

Dr Taylor Fontaine, PA-C

Ear, Nose, Throat, General Medicine, Dermatology, Allergy & Men's Health
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Tonya Loken, RN-BSN

Naturopathic Medicine, Master of Nutrition, Women's Health
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Rhonda Quast

Medical Clinic Manager
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Kayce Sorenson, LPN

Clinical Spa Manager
Karisa Shuck

Karisa Shuck

Marketing & Events Director, Community Involvement
catalyst medical Tammy Jo Monson

Tammy Jo Monson

Patient Support Analyst
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Samantha Odden, RN

Medical Nurse Coordinator
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Vicky Wells, RN

Botox, Dysport, Dermal Fillers, Face and Body Lasers, miraDry, Body Contouring and MORE!
Chrystal Rittenbach RN

Chrystal Rittenbach, RN

Botox, Dysport, Dermal Fillers, Facial Treatments and MORE at our Jamestown Location!
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Shelley Finseth, RN

Botox, Dysport, Dermal Fillers, Face and Body Lasers, miraDry, Body Contouring and MORE!
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Anna Johnson, LPN

Face and Body Lasers, Facial Treatments, miraDry, Body Contouring and MORE!
Deann Middleton Licensed Medical Aesthetician

DeAnn Middleton, LMA

Hydrafacial, Microdermabrasion, Dermaplane, Custom Facials, and more!
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Robert Johns

Finance Director
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Stefanie Blilie

Licensed Medical Assistant
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Marissa Lindemoen, LPN

Medical Nurse
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Lindsay Morro

Revenue Cycle & Coding Analyst
catalyst medical Katelyn Nielsen

Katelyn Waslaski, LPN

Medical Nurse
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Courtney Sinclair

Revenue Cycle Specialist