Visit Seitz Dermatology in Cheyenne

Dr. Greg Seitz

Dr. Greg Seitz, a board-certified dermatologist and laser surgeon, brings a wealth of expertise and a passion for dermatology to his practice. With degrees in Zoology and Psychology from the University of Wyoming, Dr. Seitz pursued and earned his Doctor of Medicine in 2007 at Oregon Health and Science University. In 2011, he completed his specialty residency training at the University of Colorado, where he honed his skills in medical, surgical, and cosmetic dermatology, alongside dermatopathology and Mohs surgery.

Along with his commitment to his patients, Dr. Seitz has also worked as a teaching physician for the University of Wyoming Family Medicine Residency Program since 2011. Additionally, he is a member of the following esteemed medical associations:

• American Academy of Dermatology
• American Medical Association
• American Society for Dermatologic Surgery
• American Society for Mohs Surgery
• Colorado Dermatologic Society
• Laramie County Medical Society
• Wyoming Medical Association
• Wyoming Medical Society

A native of Cheyenne, Wyoming, Dr. Seitz’s roots run deep in the community where he was born and raised. Alongside his wife and three children, he embraces the Wyoming lifestyle, indulging in outdoor pursuits like fishing, camping, hiking, and skiing whenever possible.

Tamara Mason, DNP, FNP-C

Bachelor of Science in Nursing from University of Wyoming • Doctor of Nursing Practice from University of Wyoming • Board-certified Family Nurse Practitioner by American Association of Nurse Practitioners • Member of Sigma Theta Tau • Member of American Association of Nurse Practitioners

Driven by a desire to provide high-quality, evidence-based care, Tamara (“Tami”) Mason earned her doctoral degree from the University of Wyoming and became a nurse practitioner. She brings more than two decades of nursing experience in both inpatient and outpatient settings to her practice here at Seitz.

A Wyoming native, Tami grew up on a ranch near Yoder, then settled in Cheyenne with her husband to raise their three daughters. Together with her family, Tami enjoys camping, hiking, and taking in all types of sporting events at the University of Wyoming. In her spare time, she also enjoys traveling, reading, and playing in two bell choirs at her church.

All Torrington clinic days take place from 9 a.m. to 2 p.m. at 524 College Drive in Torrington, WY. To schedule, call (307) 635-8299 and specify that you’re scheduling your appointment for the Torrington clinic day.

Services offered during the clinic include:

• Complete skin exams
• Wart treatment
• Mole biopsies

If you’re a new patient, you can download and print your paperwork (linked below) prior to your appointment. 

For all patients, please bring the following:

• Driver’s license
• Insurance card
• Preferred pharmacy phone number
• List of prior/current medications and treatments
• Medical History paperwork (new patients only)
• New Patient paperwork (new patients only)

2025 Torrington Clinic Dates

• March 5
• April 2
• May 7
• June 4
• July 2
• August 6
• September 3
• October 1
• November 5
• December 3