About Us

Board Certified in Dermatology and Micrographic Dermatologic Surgery (Mohs Surgery)

In 2007, Dr. Julie Neville joined the Cheyenne Skin Clinic and is a fellowship-trained and board- certified dermatologist and Mohs surgeon. Dr. Neville is a native Nebraskan, where she earned her M.D. with high honors at the University of Nebraska Medical Center in 2002. The following year, she completed her internship in internal medicine at the George Washington University Medical Center in Washington, D.C. In 2006, she completed her residency at Wake Forest University Medical Center in Winston-Salem, NC where she served as chief resident. Dr. Neville underwent fellowship training in Mohs micrographic skin surgery and cutaneous oncology at Yale University in New Haven, CT.

Dr. Neville developed the Mohs surgical unit at the Cheyenne Skin Clinic in 2007. She enjoys seeing patients with all skin conditions and specializes in the detection and treatment of skin cancers. She has authored numerous papers and has presented her research on skin cancer treatment and other dermatologic topics at national and international meetings.

Dr. Neville is married and has two children. She enjoys hiking, running, reading, and spending time with her family.

Board Certified in Dermatology and Micrographic Dermatologic Surgery (Mohs Surgery)

A fellowship-trained and board-certified Mohs surgeon, Dr. Paul Massey joined the Cheyenne Skin Clinic in August, 2020.

Dr. Massey earned both his undergraduate and medical degree (M.D.) at the University of Pennsylvania. In 2018, he completed residency training in dermatology at the University of Texas at Austin. He then went on to complete a two-year fellowship in Mohs micrographic surgery and dermatologic oncology at Brigham and Women’s Hospital and Harvard Medical School, in addition to obtaining a Master of Public Health (M.P.H.) degree during his training.

Dr. Massey specializes in Mohs surgery and cutaneous oncology. He is interested in the care of patients hoping to detect and prevent skin cancer as well as those with squamous and basal cell carcinoma, melanoma, and rare skin cancers. Dr. Massey also has a special interest in the care of skin cancer in patients who have impaired immune systems. He is the author of over 20 peer-reviewed publications and regularly presents his work at national and international meetings.

The Drs. Massey wed in Buffalo, Wyoming in June 2019. Dr. Massey enjoys golf, fishing, skiing, traveling and spending time with his family and their two dogs. 

Certified Family Nurse Practitioner

Heather Roberts is a certified Family Nurse Practitioner. She joined Cheyenne Skin Clinic in 2009.

She received her B.S. in Nursing from the University of Wyoming in 2005 and her Master’s in Nursing in 2007. As a nurse, Heather worked in women’s healthcare and maternal and family health. Her special interests include aging and aesthetic procedures. Her professional affiliations include:

• Dermatology Nurses Association
• Wyoming Nurses Association
• Wyoming Council for Advanced Practice Nurses
• American Academy of Nurse Practitioners
• Sigma Theta Tau

Heather is also an active member of the Women’s Civic League in Cheyenne.

Heather has three sons. She enjoys outdoor activities. She lives in Cheyenne with her husband, Jonathon Roberts.

Board-Certified Physician Assistant

Alissa joined the Cheyenne Skin Clinic in January of 2020. She is a Cheyenne native and received her B.S. in chemical engineering and physiology from the University of Wyoming. She then received her M.S. in physician assistant studies in 2018 from the University of Mount Union in Alliance, Ohio. Alissa completed the Diplomate Fellowship program through the Society of Dermatology Physician Assistants to further her knowledge and training in dermatology. Prior to joining us, she worked in neurology.
Alissa’s professional affiliations are:

• American Academy of Physician Assistants
• Society of Dermatology Physician Assistants
• Wyoming Medical Society

Alissa enjoys traveling, snow skiing, water skiing, country swing dancing, and spending time with family, friends, and her two dogs. Alissa and her husband, Taylor Gautreau, welcomed their first child in 2023.

Board-Certified Physician Assistant

Karen Gafford received her Bachelor of Science at Purdue University in Dietetics and Nutrition/Fitness/Health. She went on to Colorado State University completing a Master of Science in Wellness Management, graduating in 2002. After completing her schooling, she finalized her dietetic requirements through the University of Northern Colorado Dietetic Internship Program in 2003. She joined Cheyenne Regional Medical Center in 2003 working as a Clinical Dietitian for 6 years until she decided to return to medical school. Karen attended A.T. Still University in Mesa, Arizona graduating with a Master of Science in Physician Assistant Studies in 2012.

Karen initially worked in Internal Medicine for 3 years in Fort Collins, Colorado. She and her husband Brian relocated to Arizona where she has worked in Oncology for the past 8 years at Cancer Treatment Centers of America, now owned by City of Hope. She is passionate about taking care of patients and providing high quality care. Her nutrition and wellness background provided a solid foundation in practicing medicine over the years.

Karen has special interests in dermatologic conditions including acne, eczema, rosacea, skin cancers, minor procedures, and cosmetic dermatology.

Karen and her husband Brian have relocated to Cheyenne, Wyoming to be close to their family and raise their two boys Cooper and Beaux. They also have a dog, Oscar, who completes their family. Karen enjoys adventures of any kind, sports, fitness, dark chocolate and spending time with family and friends.