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Meet The Staff



Lisa A. Perryman, MD, FACS, FASCRS

Dr. Perryman holds board certification in colon & rectal surgery and is a Fellow of the American College of Surgeons (FACS) and the American Society of Colon & Rectal Surgeons (FASCRS). She completed a fellowship in colon & rectal surgery at the Ochsner Medical Center in New Orleans, Louisiana, and performed a seven-year general surgery residency at the University of Minnesota in Minneapolis, Minnesota. Dr. Perryman earned her Doctor of Medicine degree as well as a Master of Science degree in Pathology from the Chicago Medical School in Chicago, Illinois. She is president of Colorado Colon & Rectal Specialists, which she founded in 2008.



Bonny, Practice Manager

Bonny joined Dr. Perryman’s practice in 2016, and has extensive experience in the medical practice field.
After graduating from Purdue University, she pursued a business career and later transitioned into healthcare.
She is a former President of Colorado Medical Group Management Association (CMGMA), a member of the American Medical Billing Association, and is a Certified Medical Practice Executive (CMPE), and Certified Medical Reimbursement Specialist (CMRS). She co-chaired Centura Colorado Health Neighborhoods’ Value & Vision Committee, and serves on the Arapahoe Community College and PIMA Medical Institute advisory boards. Bonny is an active advocate of the practice’s quality, patient-centered approach to healthcare.
Bonny is the primary contact in Dr. Perryman’s office regarding billing and insurance questions.
Her special interests include cooking, gardening, hiking through the Sonoran Desert, and historic preservation.



Nicole, Front Office Administrator

Nicole has been with Dr. Perryman’s practice since 2013. Prior to joining Colorado Colon & Rectal Specialists, she gained extensive medical office experience while working in healthcare clinics, including physical therapy. Nicole majored in psychology at Colorado State University, and participates in continuing education studies including anatomy and physiology. She has a calm, gracious personality, which is welcoming to patients visiting Dr. Perryman’s office. Nicole’s role within the office consists of front office administration, including colonoscopy and appointment scheduling, insurance verification, as well as some clinical assisting. In her free time she enjoys baking, volunteering at the Denver Zoo, and traveling through the English countryside with her husband.



Rachael, Medical Assistant

Rachael assists Dr. Perryman in all clinical matters including medical triage, surgery scheduling, follow-up care, and office procedures. She graduated summa cum laude from the University of Colorado Boulder with a Premedical Post-Baccalaureate degree and has a Bachelor of Business Administration, MIS, degree from the University of Oklahoma. She began her career as a Technology Consultant with Capgemini in Dallas, then Deloitte, before switching gears to follow her dream of becoming a doctor. Rachael scored in the top 98th percentile on the Medical College Aptitude Test and hopes to attend medical school Fall 2024. She is interested in specializing in women’s wellness, psychiatry, or surgery.

A native of Oklahoma, she enjoys international travel and has visited Thailand, China, India, England, France, the Netherlands, British Virgin Islands, and Italy. Her favorite tourist stop so far is the Roman Forum in Rome, Italy. She loves the Colorado outdoors, playing the piano, and yoga. Rachael’s pleasant personality helps patients feel more at ease.




Kathleen, Clinic Administrative Assistant

Kathleen supports all aspects of front office operations and assists in clinical activities. She is pursuing a Masters of Public Health at University of Colorado - Denver while working at Colorado Colon & Rectal Specialists. She initially wanted to be a pharmacist but has instead found her niche in the business side of medicine. She is a student member of Colorado Medical Group Management Association (CMGMA). Outside of work and studies, Kathleen enjoys playing the piano, flute and piccolo. She is an accomplished tennis player and especially enjoys hiking and Colorado's scenic views. She has a wonderful, friendly manner and is a great asset to Dr. Perryman’s team.





Colorado Colon & Rectal Specialists
9397 Crown Crest Blvd, Suite 301
Denver Metropolitan Area

Parker, CO 80138
Phone: 303-840-8822
Fax: 303-840-8824

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