Dermatology in Boulder
Explore K2 Dermatology, a trusted name in skincare right here in Boulder. Our story began in 2006, when Dr. Diane Kallgren started serving the community and went on to open the Kallgren Dermatology Clinic. A seamless transition to K2 Dermatology took place in 2023, under the proficient guidance of Dr. Cathy Koger, a stalwart member since 2014. Known for her passion for running and outdoor activities, Dr. Koger brings the same drive and dedication to her practice. She and her team of experienced professionals carry our practice forward, offering unmatched skin care solutions.
Proudly Serving Boulder From the Start
Nestled in the stunning landscape of Boulder, we understand how its unique environment can impact your skin. From the effects of high altitude to the dry mountain air, our dermatological services are designed to address the specific skincare needs of our community. Using the latest technology and state-of-the-art equipment, we’re here to help you achieve healthy, radiant skin while embracing Boulder’s beautiful, but challenging, climate.
With deep roots in the community, our commitment to providing stellar dermatological services remains unwavering. We pride ourselves on utilizing the latest technology and best-in-class equipment to assure our patients of optimal results. Our team is dedicated to providing top-notch care and guidance, so you can feel confident in your skin.
Comprehensive Dermatology Services
At K2 Dermatology, we do more than just cater to skin care needs. Our patient-centric approach allows us to build enduring relationships with those who entrust us with their skin. We believe in understanding your concerns and offering personalized treatments that address your unique needs.
Our expertise ranges from treating stubborn acne to managing complex skin conditions with precision and care. Whether you’re dealing with persistent breakouts, sensitive skin, or more intricate dermatological concerns, our team is here to provide tailored solutions. We also offer a range of cosmetic dermatology procedures, including Botox, dermal fillers, and laser treatments to help you look and feel your best. With our wide array of advanced treatments and personalized care plans, you can feel confident that you’re receiving the best possible care for healthier, radiant skin.
In addition to addressing common skin conditions, we specialize in advanced medical dermatology services. From managing chronic skin disorders to performing precise laser treatments, our clinic is dedicated to providing comprehensive care for your skin health.

Your Skin Care Partners
Our unwavering dedication isn’t just about enhancing the aesthetic side of dermatology—it goes much deeper. We are fully committed to the vital mission of Skin Cancer detection and prevention, ensuring that your skin not only looks its best but also stays healthy and protected. Through advanced screenings, thorough evaluations, and personalized care, we work tirelessly to catch potential issues early, giving you peace of mind while helping you maintain both the health and beauty of your skin.
At K2 Dermatology, we’re more than just your local dermatologists – we’re your partners in achieving healthy, beautiful skin. Reach out to us today to embark on your journey towards skin wellness.