About Us

Dr. Kimberly Jeffrey is a board-certified nurse practitioner and Doctor of Nursing Practice (DNP) with a deep-rooted commitment to advancing nursing practice in endocrinology. As the founder of Grand Junction Endocrinology, she combines clinical expertise with a strong foundation in nursing values—compassion, advocacy, and holistic care—for adults with complex endocrine conditions. With over a decade of clinical experience in endocrinology and advanced training in diabetes and lipid management, she brings a comprehensive, evidence-based approach to caring for adults with complex endocrine disorders.

Dr. Jeffrey earned her DNP from Michigan State University in 2020 and graduated valedictorian of her master’s program at Texas Tech University Health Sciences Center in 2013. She is nationally certified in adult-gerontology acute care and holds additional credentials as a Certified Diabetes Care and Education Specialist (CDCES) and Clinical Lipid Specialist (CLS). Her clinical practice spans general endocrinology, with a special interest in lipid and bone disorders.

As a nurse leader, Dr. Jeffrey plays an active role in professional development and education. She currently serves on multiple national committees with the American Association of Clinical Endocrinology (AACE), where she contributed as a faculty member to the Certificate in the Fundamentals of Obesity and Weight Loss program. She has also published in peer-reviewed journals and regularly precepts graduate nurse practitioner and physician assistant students.

Dr. Jeffrey is passionate about improving access to specialty care, providing telemedicine consultations across several states, and engaging in community and professional education. She is committed to delivering personalized, high-quality endocrine care to her patients. Her approach reflects the best of nursing and advanced practice—blending evidence-based medicine with personalized, compassionate care.

Dr. Travis Klein is also a nationally board-certified Adult-Gerontology Acute Care Nurse Practitioner (AG-ACNP) licensed in Colorado and Utah who holds a Doctor of Nursing Practice (DNP) diploma from the University of Kentucky. He has a diverse background of clinical experience from which he has developed special interests in chronic disease support and personalized care to optimize quality of life and functional abilities.

Travis is native to the farmland of Iowa, but he and his family now live in Grand Junction where the outdoor activities are exceptionally accessible and high quality.

Janet Ellingson is a Board-certified Family Nurse Practitioner, licensed in Colorado. She holds a Master of Nursing degree from Louisiana State University Health Sciences Center, and an MBA in Healthcare Administration from Southern Nazarene University in Oklahoma. Her diverse background of clinical experience includes endocrinology, rheumatology, and family medicine. She has invested the bulk of her career in caring for patients with endocrine conditions.

Janet is a native of Louisiana, but has transplanted to Colorado, where she and her husband enjoy the beauty of the state.

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 a Certified Clinical Medical Assistant with over 16 years of 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 enjoys working 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 our team to help provide the best care for our patients.

Josiah is our Office Manager. He has 4 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 two sons. 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.