Patrick J. Lillis, MD

Over the past 37 years, our practice has grown and now includes these services:
- medical dermatology
- Mohs skin cancer surgery
- cosmetic dermatology
- medical day spa (Clear Water Spa at Lake Loveland Dermatology)
- state-of-the-art dermatopathology laboratory
Dr. Lillis has chosen an exceptional group of board certified physicians and physician assistants to join his medical staff:

Kevin J. Mott, MD, FAAD, ACMS, ASDS, AACS
Locations:
Loveland and Sterling.

Sarah M. Bair, MD, FAAD
Locations:
Loveland and Estes Park.

Ingerlisa W. Mattoch, MD, FCAP
Locations:
Greeley.

Dr. David P. Clark, MD, FAAD, ABD
Locations:
Loveland and Greeley.

David M. Seitz - PA-C, SDPA
Locations:
Loveland and Ft. Collins.

Sheena E. Chand - PA-C, SDPA
Locations:
Greeley, Loveland and Sterling.

Katie L. Olsen - PA-C, SDPA
Locations:
Greeley, Loveland and Sterling.
Credentials
- American College of Mohs Surgery
- American Society for Dermatologic Surgery
- American Academy of Cosmetic Surgery
- American Academy of Dermatology
- American Board of Dermatology
- College of American Pathologists
- Society of Dermatology Physician Assistants
FAAD stands for "Fellow of the American Academy of Dermatology."
To be a Fellow of the American Academy of Dermatology (FAAD), a dermatologist must:
- Have a license to practice medicine.
- Pass the board exams given by the American Board of Dermatology.
- Be a member of the Academy.
FCAP stands for "Fellow of the College of American Pathologists."

















