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Dr. Tusek relishes the close connectivity with his Cloud DPC patient-members, whether they are training for the Olympics, dealing with an illness, or simply trying to lose a few pounds.  He believes that enhancing one’s quality of life is just as important as extending the quantity of our years.

Dr. Tusek combines expertise in advanced diagnostics and optimization of brain and body function using a broad-based approach, blending cutting edge technologies with a natural orientation.  He uses a wide variety of gentle, needle-based therapies to treat musculoskeletal and neuromuscular conditions and injuries (including PRP and botox).  He performs various office-based surgeries, cryosurgeries, and treatments of minor trauma.  In 2004, he became one of the first practitioners in Colorado to offer bio-identical hormone implants, and has been working closely with compounding pharmacies (those pharmacies that prepare personalized medications for patients), to provide the purest, most effective forms of natural therapies.

In 2009, Dr. Tusek founded one of the nation’s first DPC programs, which he sold in 2016.  He then went on to launch Cloud Medical DPC, and currently oversees several other healthcare ventures and projects related to health optimization, behavior change, and addiction medicine.

He believes that the soul of primary care medicine lies both in diagnosing and treating existing health problems with the most advanced technologies, as well as deeply considering what it means to be healthy and to heal as human beings, and how to most efficiently unlock our innate capacities for thriving and flourishing.  In the spirit of this pursuit, Cloud Medical has launched a variety of programs under the “School of Health” banner.

As a previous member of the steering committee of the Direct Primary Care Coalition based in Washington, DC, Dr. Tusek is a recognized leader in healthcare transformation, and was invited to the White House to discuss the future of American medicine.  He was named among the “Top Doctors in Concierge Medicine” and is a former qualifier for the Ironman Triathlon World Championships in Kona, Hawaii.  He enjoys skiing, cycling, and spending time with his wife and two daughters in the playground that is Colorado.

Dr. Javier believes primary care should be about more than treating illness. He enjoys partnering with patients to build a strong foundation for long term health, helping them prevent disease, improve their overall well being, and become the best version of themselves. His clinical interests include preventive medicine, health optimization, longevity, and the many factors that influence both physical and mental performance.

He also has a strong interest in the intersection of medicine and technology and enjoys exploring how innovations such as clinical artificial intelligence, wearable technology, and modern health tools can enhance patient care and help people live healthier lives in an increasingly connected world. Education is another important part of his work. During residency, he served as an AMBOSS representative and worked with Level Ex, a company that develops educational video games for physicians. He has also coached health and performance for competitive esports players.

Outside of medicine, Dr. Javier enjoys the competitive side of life. He can often be found immersed in a competitive card game, playing drums, spending time outdoors, or enjoying volleyball and racquet sports. He is also an avid reader who especially enjoys getting lost in a good fantasy book.

What she loves most about Family Medicine is the opportunity to care for the whole family, from young adults and parents to children and older adults. She believes that health is deeply connected across generations and has a particular passion for supporting parents as they optimize their own health and wellness while building a strong foundation for the health of their future and growing families.

Dr. Juliar Greig especially enjoys working with individuals and couples during the preconception, pregnancy, and postpartum journey. She helps parents understand how nutrition, lifestyle, metabolic health, and overall wellness can influence both their own well being and the health of their children. While she does not provide standard prenatal care, she loves partnering with hopeful and growing families during this important season, helping them feel informed, empowered, and supported before, during, and after pregnancy.

At the heart of her practice is a belief that meaningful healthcare starts with truly knowing the person behind the symptoms. She works collaboratively with patients to develop personalized, practical strategies that support vitality, balance, resilience, and long term health. She also loves bringing her passion for nutrition, cooking, and natural healing into patient care, helping people find realistic and nourishing ways to support their health every day.

Dr. Juliar Greig earned her MD from the University of Michigan Medical School in 2011 and completed her Family Medicine residency at Boston University Medical Center in 2014. She is board certified by the American Board of Family Medicine and certified by the Institute for Functional Medicine.

Outside of medicine, Dr. Juliar Greig enjoys spending time with her husband, their two young daughters, and their rescue dog, Bella. She loves dancing, cooking, and spending time in nature, especially near the water.