Our Team

Meet our dedicated team specializing in chronic and degenerative illnesses, functional restorative medicine, and longevity therapy!

Dr. Dan Kellams, DACM, FMP, L.Ac

A photo of Dr. Dan Kellams
Clinic Director / Founder

Dan Kellams grew up in southern Indiana, where he attended Indiana University and then University of Louisville in Louisville Kentucky for sports sciences.

Dan went on to attend the acclaimed American College of Acupuncture and Oriental Medicine (ACAOM) where he received his training and studies in acupuncture, herbology, Tai Chi, Tui-Na (oriental massage) and Qi-Gong. Dan earned his Master’s Degree in Acupuncture and Oriental Medicine in 2009.  He completed his clinical internship at the prestigious Methodist Hospital in the Houston Medical Center where his passion for advanced integrative therapies grew. Dan earned his DACM specializing in integrative approaches in 2020.

Dan has been heavily involved in integrative, functional and restorative medicine for over a decade. He enjoys both being a clinician, an avid researcher and an educator in integrative therapies as well as proponent of whole body care strategies that focus on the central idea that “the power that made the body has the power to heal the body.” Aside from being the Wellness Coordinator at Peak Vitality in Denver Colorado, Dan also travels the country to consult, educate and coach other clinicians on auto-immunity, chronic illness and difficult health cases.

A photo of Dr. Dan Kellams

Dr. James Parsons, DC

Dr. James Parsons
Founder

Dr. James Parsons is a highly skilled and dedicated Chiropractor, with a career spanning nearly three decades. Dr. Parsons received his Doctor of Chiropractic (DC) degree from TCC and furthered his clinical skills with additional studies in nutrition, functional medicine and neurology. In 1994, Dr. Parsons embarked on an entrepreneurial journey, establishing three successful clinics in Houston, Texas (two clinics), and Denver, Colorado (one clinic). He works to make sure the clinics embody a holistic approach to health and wellness, offering a variety of comprehensive patient care including chiropractic, physical therapy, nutritional counseling, and functional medicine protocols.

Over the years, Dr. Parsons has treated over 10,000 patients, significantly improving their quality of life. With his extensive career and careful watch on patient outcomes, he has found that the most successful approach is through personalized treatment plans, which focus on patient wellness and disease prevention.

Dr. Parsons is not just a healthcare provider, he is also a business coach. He has mentored several dozen doctors over the years with their clinical and business skills set ensuring they continue to thrive and serve the community. He is a passionate healthcare advocate dedicated to enhancing the quality of life for his patients and healthcare providers.

Dr. James Parsons

Terra Heit, RN, MSN, FNP-C

A photo of Terra Heit
Assistant Medical Director
Terra is a Colorado native that sees value in integrating traditional and natural approaches to medicine. Her academic journey began at the University of Colorado, where she earned a dual bachelor’s degrees: one in Biology and the other in Integrative Physiology.

After completing her undergraduate studies, Terra pursued a Bachelor of Science in Nursing (BSN). Her clinical experience began at Lutheran Hospital, where she worked in both Emergency Medicine and Labor and Delivery. To broaden her medical education, Terra went on to complete a Master’s degree as a Nurse Practitioner (NP) in Family Medicine. She has since furthered her education with specialized training in Functional Medicine, learning to treat the root causes of chronic illness rather than just managing symptoms. She is also a trained RGCC (Research Genetic Cancer Center) provider, specializing in cancer support therapies such as SOT (Supportive Oligonucleotide Therapy) and various immune therapies. Her education extends to hormone optimization for both males and females, a growing field that emphasizes personalized, integrative approaches to restoring hormonal balance and improving overall health.

Outside of her professional life, Terra loves spending time with her family and friends and enjoying everything Colorado has to experience.

A photo of Terra Heit

Darlene Iriarte, BA, CNTP

A photo of Darlene Iriarte
Health Advisor / Nutritionist

Darlene brings in the whole body connection as she shows how nutrition and lifestyle adjustments can positively affect health. Darlene focuses on education and coaching patients through personalized, food and lifestyle planning, nutritional deficiencies, as key components in her holistic health coaching and functional nutrition protocols.

Darlene has a BA in International Business and Spanish, and worked with international companies, focusing on process improvement, and relationship building. She changed career paths after trying to improve chronic health ailments, with little help from conventional medical health care practices. She focuses of the powers of nutrition and getting to the underlying cause of illness. This, plus raising two children on holistic wellness principles, was the motivation for becoming a Certified Nutritional Therapist Practitioner.

She is a member of Functional Nutrition and Micro-biome forums, has volunteered in community-based organizations, advocacy for neglected and abused children, tutored Spanish to students with developmental disabilities, and wellness education for underprivileged families in Hispanic communities.

A photo of Darlene Iriarte

Zack Gutman, MSTCM, LAc

Zack Gutman
Acupuncturist / Herbalist
Zack Gutman graduated from the Colorado School of Traditional Chinese Medicine (CSTCM) in 2013. As a nationally certified Acupuncturist and Chinese Herbalist, Zack is able to help others connect with their greatest levels of health and wellness through this time tested and contemporary relevant form of medicine. Zack is also passionate about educating TCM students and the general public about the positive applications and potential uses for TCM. Zack currently teaches at CSTCM where he was the public clinic director from 2019-2021.

Zack believes healing is a multi-dimensional approach and dynamic which includes many modalities available to evaluate and improve a person’s health. In his personal time, Zack enjoys hiking, gardening, cooking, practicing tai qi and qi gong, and playing table tennis and pickleball.

Zack Gutman

Lisa Berthelsen

A photo of Lisa Berthelsen
Senior Case Manager / Virtual Team Manager
A native to Atlanta, GA, Lisa has spent her career in Health and Wellness in a natural healthcare setting. Lisa is passionate about helping patients with natural solutions for their healthcare challenges. With over 40 years experience in the industry, Lisa not only works with patients to make sure they are taken care of, but she also trains and coaches doctors all over the country in natural healthcare protocols. A mom to three young men and two dogs, Lisa is active and values the return of hard work, both physically and mentally.
A photo of Lisa Berthelsen

Shelley Leigh

Shelley Leigh
Executive Assistant
Shelley is a Colorado native who began her career in healthcare in 2006. Over the years, she has gained extensive experience in both front office operations and clinical support, assisting physicians with patient care and procedures. Through this work, she discovered a genuine passion for helping others and finds deep fulfillment in supporting patients on their path to better health.

Shelley has been a member of Dr. Kellams’ team since July 2020 and has served as Executive Assistant for several years. In her role, she helps create a smooth, supportive experience for patients while also keeping daily operations running seamlessly behind the scenes.

She lives in Northern Colorado with her husband and their three children.

Shelley Leigh

Carrie Anderson

Carrie Anderson
New Patient Coordinator
Carrie has lived in Colorado for the last 30 years. She has 4 children that are now grown and raised. Carrie has a passion for helping people and that is what brought her to Peak Vitality. She has worked in healthcare for many years.She has a deep heart and a welcoming attitude. She resides on the Western Slope of Colorado with her husband and dog Riley.
Carrie Anderson

Kellsie Horsfall

Kellsie Horsfall Health Advisor
Health Advisor
Kellsie was born and raised in Colorado, and earned her Bachelor of Science degree in Healthy Lifestyles Coaching from Arizona State University. She is a dedicated Functional Medicine Certified Health Coach with a lifelong commitment to health, wellness, and personal transformation. She developed an early love for health and fitness that blossomed into a passion for Functional Medicine. Gaining deep insights over the years into holistic health approaches that empower people to take charge of their well-being, she finds purpose in guiding her clients toward balanced and sustainable lifestyle changes that help them regain control of their health.

Living in Colorado with her husband and their dog, Kellsie thrives in the outdoors and enjoys a wide array of activities, including hiking, camping, skiing, and exploring the beautiful Colorado mountains. She also loves traveling, reading, working out, and photography. Kellsie is passionate about helping her clients and equipping them with the tools they need to build resilient, vibrant lives.

Kellsie Horsfall Health Advisor

JJ Bograkos

JJ Bograkos Health Advisor
Assistant Office Manager
JJ Bograkos was born and raised in Denver, Colorado. She is a self-driven professional with a diverse background in business operations, customer service, and the culinary arts. She is currently attending the Nutrition Therapy Institute and is working towards her certification as a Master Nutrition Therapist. JJ has a deep passion for supporting individuals optimizing their overall health and lifestyles. Functional medicine has been a huge part of her personal journey, so she is very excited to continue to learn and grow within this amazing field of work. Outside of work, JJ finds joy in scratch cooking, swimming, reading, local Farmer Market’s, saunas, and spending time with friends and family.
JJ Bograkos Front Desk Coordinator

Brooklynn Kupsak, CFMHC, LMT

JJ Bograkos Health Advisor
Health Advisor
Brooklynn was born and raised in Lake County, IL. Her love for health & wellness began early in life as a young athlete. She studied exercise science at the University of WI Lacrosse and then earned a massage therapy certification from the Desert Institute of the Healing Arts in Tucson, AZ. She also has experience working as a yoga instructor and a Emergency Medical Technician. Brooklynn began transitioning into the world of functional medicine after turning there for her own health challenges. She received her functional medicine coaching certification from the Functional Medicine Coaching Academy.

Brooklynn believes deeply in the bodies ability to heal itself if given the appropriate support and lifestyle intervention. She is passionate about helping others learn how to listen to and support their bodies so they can live a life that is filled with vitality and optimal heath. One of her favorite quotes is “Be good to your body, Its the only place you will ever have to live!”

In her free time Brooklynn enjoys all outdoor activities, especially hiking and spending time at the quiet lake she grew up on. She loves doing yoga, lifting weights, attending her young teenage kids sporting events and spending quality time with her family and friends.

JJ Bograkos Front Desk Coordinator

Aunna Johnson

JJ Bograkos Health Advisor
New Patient Coordinator/Case Manager
Aunna was born in Texas and raised between Texas and California, Aunna has had the blessing of living all over the U.S., which has shaped her approach to life and healing. A 5-year Navy veteran, Aunna later pursued a degree in Environmental Science at Iowa State University.

After working in Biotech in San Jose, California, Aunna felt called to shift into the world of health and wellness. She has since worked as a Wellness Consultant in Functional Medicine and a Health Coach. She is certified in both Nutrition Coaching and Restorative Yoga, and brings a trauma-informed, holistic lens to her work.

Aunna has supported trauma survivors and worked as a behavioral technician coaching children with autism. Her work is rooted in a deep passion for spirituality, neuroscience, the subconscious mind, and functional medicine.

She believes in the healing power of love and the importance of fostering safe, connected communities where true transformation can take place.

JJ Bograkos Front Desk Coordinator

Meghan Geisler

Meghan Geisler Health Advisor
Health Advisor
Meghan is a National Board-Certified Health & Wellness Coach, Mentor Coach, and Instructor, dedicated to guiding clients with compassion and expertise throughout their wellness journeys. She draws on an extensive background in health and fitness, having previously managed a health club and served as an EMT—experiences that provide her with a deep understanding of both proactive wellness and the human body.

Meghan holds a Bachelor’s degree in Communication Studies and has completed training in Positive Psychology and Functional Mental Toughness. These specialized areas empower her to help clients develop resilience, empowering them to approach challenges with greater optimism and focus.

Her passion for health and wellness is rooted in personal experience. After overcoming her own health challenges, Meghan became her own advocate, a journey that led her to join Peak Vitality. Working alongside the knowledgeable, multidisciplinary team, she continues to expand her knowledge of the body’s remarkable healing abilities when properly supported. Meghan applies these insights to help clients achieve meaningful, lasting changes in their well-being.

Beyond her professional life, Meghan is an active wife and mother of two, balancing family, work, and personal wellness. She is an avid outdoor enthusiast who enjoys hiking, biking, skiing, and playing tennis with family and friends. At home, she finds joy in reading, yoga, weight training, meditation, savoring matcha tea, and cherishing quality time with loved ones.

Meghan Geisler Health Advisor

Doug Minton, MD

A photo of Doug Minton
Medical Director

Dr. Minton was born in Belle Fourche, SD, and grew up in Utah. He attended the University of Wyoming, and graduated with a B.S. in Zoology. He attended medical school at the University of Colorado’s Health Sciences Center, and began his residency in Obstetrics and Gynecology at St. Joseph Hospital in Denver, which he finished in 1988. He has been a partner at Westside Women’s Care in Wheat Ridge, CO and Arvada, CO since that time. He is a past president of the medical staff at Lutheran Medical Center in Wheat Ridge, CO. Dr. Minton is board certified in Obstetrics and Gynecology, as well as certified in Age Management Medicine through Cenegenics.

Dr. Minton encourages patient and family involvement with healthcare decisions, with a preference in lifestyle changes and natural therapies when at all possible. His personal philosophies towards healing and health align directly with Peak Vitality and the Premier Med Group. He started in private practice in 1988. Doug is married and has three children. He enjoys sailing, scuba diving, theater, reading and hiking with his family.

A photo of Doug Minton

Ashlee Craig

Ashlee Craig
Health Advisor

As a lifelong athlete, Ashlee Craig developed an early appreciation for the connection between movement, nutrition, and overall wellness. As a Certified Health Coach, she helps clients uncover the root causes of their health concerns and create sustainable lifestyle changes that support long-term well-being.

Ashlee believes every client deserves an individualized approach. She enjoys educating and empowering others to better understand their bodies, build lasting habits, and feel confident in their health journey.

After spending eight years in Canada, Ashlee recently returned home to Colorado with her family. Outside of coaching, she enjoys golfing, staying active, attending country concerts, and most importantly, spending time with her daughter. Nothing is more rewarding to Ashlee than helping clients regain their energy, confidence, and quality of life.

Ashlee Craig

Natalie Barrett

Natalie Barrett
Health Advisor

Natalie is a board-certified health and wellness coach, with an additional certification and training in functional medicine health coaching. She is passionate about helping others regain their health and well-being, as she too has been on her own health transformation journey utilizing functional medicine and integrative principles. Her own experience included a focus on nervous system regulation, hormone balancing, gut health, and improvement in many lifestyle factors. She believes that health and wellness encompass so many different areas of one's life and that everyone has their own unique needs that align with their own health goals. She loves learning and connecting with others, and this role allows her to experience both on a deep level.

She’s originally from Wisconsin and has a prior professional background in medical device sales, working in the conventional medicine cancer space for over 15 years. When not coaching, she spends a lot of time with her husband, two children, and their animals on their farm in South Dakota. She and her family love being outdoors hiking, fishing, biking, and horseback riding. She also enjoys cooking, reading, and connecting with extended family and friends.

Natalie Barrett

Rachel Heun, MS

Rachel Heun, MS
Health Advisor

Rachel Heun, MS, is a nutrition expert with a Master’s degree in Nutrition and Food Studies from Montclair State University. She began her career working as a nutritionist at a local gym in New Jersey, where she supported a diverse range of clients—from professional and high school athletes to individuals simply looking to improve their overall health.

Rachel later transitioned into the corporate nutrition space, working as a Nutrition Scientist at Danone, where she specialized in substantiating product claims through scientific research. She then moved to Colorado and continued her career remotely with GNC as a Product Design Manager, developing innovative supplements including probiotics and greens powders.

After connecting with Dr. Dan, Rachel returned to her true passion—working directly with clients—and now serves as a Health Advisor at Peak Vitality. In addition, she is the co-founder of Skin Shield Pro, a supplement company she created with her husband, Conor, designed to help combat sports athletes prevent common skin infections.

Rachel is deeply passionate about helping individuals feel their best through personalized, science-backed approaches. She is an avid researcher who regularly reviews the latest studies on PubMed to stay at the forefront of functional medicine and nutrition science. Outside of work, she enjoys playing tennis, hiking, reading, and spending time with her family.

Rachel Heun, MS

Kanani Haupt

Kanani Haupt
Registered Nurse, Health Advisor

Kanani was born and raised in Colorado and has always been passionate about health, wellness, and helping others achieve their fullest potential. She earned her Bachelor of Science degrees in both Exercise Physiology and Nursing, combining her love for movement, fitness, and evidence-based healthcare into a well-rounded approach to patient care. Before becoming a Registered Nurse, Kanani spent many years as a fitness instructor, helping individuals build strength, confidence, and healthy lifestyle habits. She began her nursing career in the hospital setting, where she gained valuable clinical experience and developed a deeper understanding of the complexities of health and healing. Through her work, she discovered a passion for helping people look beyond symptom management and explore the many factors that contribute to true wellness and vitality. Kanani’s commitment to holistic health also inspired her to create a natural skincare brand focused on healing and non-toxic solutions, reflecting her belief that what we put on our bodies is just as important as what we put in them. She is continually learning and expanding her knowledge of functional medicine, integrative health, and the many interconnected aspects of well-being. As a mother of three daughters, Kanani understands the importance of balancing health, family, and everyday life. Outside of work, she enjoys cooking, staying active, exploring Colorado with her family, and continually seeking new ways to support a vibrant and healthy lifestyle. She is passionate about empowering patients with the knowledge, tools, and support they need to take an active role in their health journey and achieve lasting wellness.

Kanani Haupt

Make an Appointment

Flexible and same-day appointments.

Or call us at 720-504-8068

Make an Appointment

Flexible and same-day appointments.

Or call us at 720-504-8068

Please note: Peak Vitality is not affiliated with “Peak Vitality Supplements” (peakvitalitysupps.com). That is a separate company, and we cannot assist with their orders, shipping, or refunds.