Dr. Jill Carnahan
Dr. Jill Carnahan

Functional Medicine Expert

Dr. Jill is Your Functional Medicine Expert! She uses functional medicine help you find answers to the cause of your illness and the nutritional and biochemical imbalances that may be making you feel ill. Functional medicine is personalized medicine that deals with root cause of disease instead of just treating symptoms. Dr Jill will search for underlying triggers … > more

Katie Hartley
Katie Hartley APRN, FNP-C

Nurse Practitioner

Katie received her Nurse practitioner degree from Georgetown University and prior to that her Bachelors of Science in Nursing from Texas Christian University. She is certified by the American Academy of Nurse practitioners and is currently working towards her IFM certification.

Ali Fostvedt

Office Manager

Ali grew up in the rural mountains of Boulder and from a very young age, and was taught to live a healthy and balanced lifestyle, spending much of her time outdoors. For many years Ali worked at an holistic dental practice where she learned to look at the person as a whole. She is passionate about building relationships with patients and assisting them with whatever needs they have. When she is not at work, Ali is playing with her two young children and exploring the outdoors with her husband and dog.

Natalie Hartel

Retail Manager

Natalie has been with Flatiron Functional Medicine since early 2019. She is a recent graduate of the University of Findlay in Ohio where she earned a Bachelor of Science Degree in Wellness and Exercise Promotion and played DII lacrosse. She is passionate about total body wellness and believes it is important to work on all domains of health, not just physical. She is our supplement and Dr. Jill Health store expert! When she is not at work, Natalie enjoys playing and watching sports, cooking, and spending time with her friends and family.


Administrative Assistant

Jessica has been an integral member of Flatiron Functional Medicine since 2019. She is passionate about helping others. Jessica is a Colorado native and loves to spend time outdoors with her family and daughter.


Annalise joined FFM in 2022.  She recently worked as an EMT and is excited to continue working in the medical field.  Annalise is passionate about helping others and being involved in the community.  She directs plays at a local theater and teaches Westcoast Swing dance courses.  Annalise enjoys reading, music, and spending time with family…

Kate McCoy


Nicole graduated from Naropa University in 2015, with a Bachelor’s Degree in Contemplative Psychology with a focus on Health and Healing. She is passionate about health and alternative medicine, as a result of her own journey with health problems.

Dr. JoEllen Hoobin
Dr. JoEllen


My name is Dr. JoEllen Hoobin and I am so excited to bring JoEllen Kay Chiropractic to the Front Range of this beautiful state! I have always known the importance of living an active lifestyle and giving the body what it needs to fuel that lifestyle.