About Us

Dr. Kimberly Jeffrey is a board-certified Adult-Gerontology Acute Care Nurse Practitioner, Clinical Lipid Specialist, and Certified Diabetes Care and Education Specialist.

She started her nursing career as a registered nurse, graduating magna cum laude in 2009 from the University of Texas Health Science Center at San Antonio. She worked as an ICU nurse for 5 years before becoming a nurse practitioner and dedicating her career to the field of endocrinology. Kimberly was honored to deliver the Commencement Address when she graduated as Valedictorian from Texas Tech University Health Sciences Center with her Master of Science in Nursing degree in 2013. She returned to complete her Doctorate in Nursing Practice degree, graduating with a 4.0 GPA from Michigan State University in the spring of 2020. Prior to starting a private practice, Dr. Jeffrey was affiliated with endocrinology clinics in the states of Texas, Virginia, Michigan, and Arizona before settling in Colorado. She is a member of the American Association of Clinical Endocrinologists, the National Lipid Association, Endocrine Society, and the American Association of Nurse Practitioners.

Dennis Jeffrey is the business owner of Endo NP, PLLC. With over 20 years of experience as a Nationally Registered Emergency Medical Technician, Dennis provides deep insight into the healthcare system. He has also worked in the civilian setting with military contract experience. He was honored to receive the United States Air Force Civilian Medal of Valor for heroic actions taken in 2010, but if you asked him about it, he would simply say he was just doing his job. Dennis has previously served as a volunteer firefighter in Bossier, LA.

His passion for providing quality healthcare has been demonstrated throughout his career, and he is happy to continue to serve in this capacity!

Jessica is our Certified Clinical Medical Assistant. She has over 9 years experience in the healthcare field, working in both clinical and non-clinical positions. Jessica spent two years working as Dr. Jeffrey’s Medical Assistant in an endocrinology clinic in Michigan. She is excited to continue working with Dr. Jeffrey through the realm of telemedicine to continue providing exceptional care to our patients!

Emma is our medical assistant, who recently graduated from Colorado Mesa University with a bachelor’s degree in Exercise Science. Emma has been with us since June 2023 when she started her internship and now works full-time getting enough clinical hours to apply to Physician Assistant School. She is excited to learn about Endocrinology and further her education. In her free-time she enjoys doing anything outdoors, whether it be hunting, fishing, or just enjoying time with family. She is excited to be working with Dr. Jeffrey and to help provide the best care for our patients.

Josiah is our Office Manager. He has 2 years of experience in the healthcare field as a non-clinical administrator. Josiah helps managing the day to day operations at our office. He has a wife and son with a little one on the way. He likes camping, fishing, and spending time with his family. He enjoys working with the patients and ensuring that they have a great experience with our office.