1930 S Federal Blvd, Building A, Denver, CO 80219

Meet the South Federal Family practice Staff in Denver, Colorado

South Federal Family Practice was founded by Dr. Roy J. Durbin, who practices family medicine with an additional focus on obstetrics and gynecology. A 1985 graduate of the Colorado School of Medicine, Dr. Durbin is affiliated with the Swedish Medical Center and St. Anthony Hospital.
Dr. Durbin and the team of skilled medical professionals at South Federal Family Practice are dedicated to helping patients of all ages achieve greater health and well being. Our doctor and staff's commitment to delivering compassionate, excellent care is what makes us stand out from the rest.
Whether you are feeling ill or would like to schedule a routine checkup, we can provide you with the medical care you need. We are currently accepting new patients at our Denver, CO, office, so give us a call to learn more about us and our practice.

Meet Your Providers

Roy Durbin in Denver, CO


Dr. Roy Durbin received his Bachelor of Science Degree In Molecular Biology from the University of the State of New York. He received his Medical Degree from the University of Colorado Health Sciences Center in Denver, Co and served his residency at Fitzsimmons Army Medical Center in Aurora, CO. Dr. Durbin opened his practice in the older west side of Denver over 30th years ago. Dr. Durbin states "To meet patient needs, I have even become fairly proficient in Spanish!" Dr. "D", as his patients refer to him, has studied, taught and traveled extensively promoting care of diabetes.
Dr. Durbin is married, a father and grandfather. In addition to spending time with his family, his interests include supporting the CU football team as well as the Colorado Rockies. He enjoys playing the bagpipes, attending the Olympics, bow hunting and raising KOI fish.Philosophy - "Years ago, I decided to go into family practice because there are no two days alike. Each day presents different challenges including ages of patients, personalities, medical issues, and cultural diversity. I believe that medical care is a team effort and I look forward to patient involvement."
Carol Maslin in Denver, CO

Stephanie KueNn P.A.

Stephanie was born in Ohio and transplanted to Colorado during High School. She earned her under graduate degree from The University of Colorado and her Physician Assistant degree from Hahnemann University of Philadelphia, PA. Stephanie has been part of the South Federal Family Practice for over 20 years, and as her patients all know, she is a true Bronco fan.
Stephanie Quinn

Carol MaslYn N.P.

Carol Maslyn, nurse practitioner, is a graduate of Metropolitan State College and Regis University. Her experience was in critical care and emergency medicine prior to becoming a nurse practitioner. Originally an Ohio native, she has called Colorado home for most of her life. She enjoys spending time with her family, cooking, gardening, and doing any activity that gets her into the great outdoors.
Kaylyn Vrlec in Denver, CO


Kaylyn Vrlec grew up in a small town in Wisconsin along tile Mississippi River. She attended the University of Wisconsin-LaCrosse where she majored in Biology with. a biomedical concentration, During her time at UW-LaCrosse she pitched for the softball team and was named a team captain her senior year. Kaylyn then attended the University of Florida Physician Assistant Program. After graduation from PA school, Kaylyn accepted a position in Fort Myers, Florida where she worked in hospital and emergency medicine for 4 years. After 6 very hot and humid years in Florida, Kaylyn and her family desired to move back north and her husband found a position in Denver. Kaylyn decided to follow her original dream of being a primary care P A and feels fortunate to have been hired with South Federal Family Practice. Kaylyn enjoys primary care medicine because it allows her to build relationships with her patients and participate in their long term health goals. With her history of working in the ER, she also enjoys seeing patients for urgent care visits and follow up. Outside of work Kaylyn enjoys spending time with her husband and caring for their two young girls. She also has interests in gardening, traveling, hiking and camping with her family.
sffp staff pic in Denver, CO