3434 47th Street Suite 200, Boulder, CO 80301

K2 Dermatology in Boulder, CO

Dr. Cathy Koger is a board certified dermatologist and a fellow of the American Academy of Dermatology as well as a fellow of the American Osteopathic Board of Dermatology. Dr. Koger graduated with a BSE in Mechanical Engineering from the University of Michigan and worked as an engineer for over 6 years at Raytheon Systems Company and IBM.

Dr. Cathy Koger

Cathy Koger, D.O. is a board certified dermatologist and a fellow of the American Academy of Dermatology as well as a fellow of the American Osteopathic Board of Dermatology.
Dr. Kallgren’s love and enthusiasm for medicine and her patients convinced Dr. Koger to retire at an early age from engineering and pursue medical school. She was one of the first

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K2 Monthly Specials 2025-2026

DECEMBER:

25% Off eltaMD® products in-office

JANUARY:

20% Off Botox (at least 20 units)

FEBRUARY 12:

Night of Beauty Specials!

MARCH:

20% Off Latisse

APRIL:

20% Off REVISION® in-office products

MAY:

20% Off eltaMD® products & Heliocare in-office