We offer a full spectrum of primary care services.

These services include: adult and pediatric care, complete preventative and urgent medical care, chronic disease management, customized bio-identical hormone therapy, painless allergy testing and treatment, weight loss and nutrition, depression, anxiety, and insomnia.

Our Board Certified physicians also bring over 10 years of emergency room experience to meet your urgent medical care needs. From broken bones to sutures, the doctors at North Vista Medical Center can manage most non-life threatening injuries and illnesses in their office.

North Vista Medical Center has offices located in Longmont, Frederick, Fort Collins, Greeley, and Boulder, Colorado to better accommodate our many patients in Firestone, Dacono, Erie, Niwot, Mead, Gunbarrel and surrounding communities on the front range. Our hours are Monday through Friday, 8:00am to 5:00pm. Please call for available appointment times.

Put it all together and you have a health care experience that is centered on you, built to suit your needs both as a patient and as a person.

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Clint Flanagan, MD, is Board Certified in Family Medicine, a member of the American Academy of Anti-Aging Medicine and the American Society for Laser Medicine and Surgery. Dr. Flanagan has nearly 10 years experience as an ER physician and maintains certificates in Advanced Cardiac and Advanced Trauma Life Support. He completed medical school at the University of Nebraska Medical Center then went on to residency at St Mary’s Family Medicine Program in Grand Junction, Colorado. He’s a diplomate of the American Academy of Family Physicians.

Dr. Flanagan is eager to share his knowledge with patients to help them improve their quality of life. “I appreciate the courage it takes for patients to speak with me about aspects of their health they would like to improve. I strive to facilitate open, reliable communication where patients feel relaxed and at ease in an environment conducive to extreme trust and comfort.”

Dr. Flanagan will help you identify functional imbalances in your physical, hormonal, mental, and nutritional systems, and put the pieces together for you. “I’m passionate about pro-active, preventative medical care and feel it’s my responsibility to guide patients in the right direction. It’s important my patients view me as sincere and trustworthy. Too often our healthcare system practices reactive medicine. I’m a firm believer in optimizing nutrition and exercise rather than focusing on prescriptions as an automatic solution. While medicine has its role at times, too often non-prescription plans aren’t addressed. I want patients to achieve their optimal health and well-being, as naturally as possible.”

Dr. Flanagan enjoys the Colorado lifestyle with his wife and three young, very active children.

Dr Flanagan’s practice is currently full and is not accepting new insurance or cash pay patients. He is still accepting new Nextera Healthcare members.

Read Dr. Flanagan’s patient reviews here

Paul Berger, MD, has been practicing Family Medicine and Integrative Medicine in Boulder Colorado for 22 years. He is double certified in these two fields, and was a founding diplomate of the American Board of Holistic and Integrative Medicine in 2000. He initially opened the Boulder Community Hospital- Holistic Medical Center in 2001 and then continued with that practice as it moved and changed over the years. Dr. Berger feels the model of care at Nextera provides the best model for personalized, comprehensive medical care.

Dr. Berger feels that conventional medicine is a wonderful basis for medical care and, in addition, that lifestyle and reasonable alternative approaches can often help patients to avoid the more invasive approaches that can be found in conventional medicine. Dr. Berger therefore offers these two approaches, and likes to help patients to choose which ones are safe, and preferred by the individual patient.

Some of the special areas of special interest that he has helped many patients with include Weight Management, Autoimmune Disease (esp. arthritis, thyroid and IBS) , Hormone Replacement, Functional Medicine, and natural treatments for Anti-aging, pain, and mood issues.

Dr. Berger lived in many countries growing up, both coasts, and completed his medical school at the University of Minnesota, then residency in Idaho, before coming back to his favorite state Colorado! He has two children and loves to get outdoors.

Tim Nagel, MD, brings nearly three decades of family medicine experience to North Vista Medical Center. Prior to joining the North Vista Medical Center team, Dr. Nagel practiced medicine in rural Iowa, caring for patients of all ages. There, he delivered hundreds of babies and cared for them from birth into adulthood. For his older patients, Dr. Nagel’s experience in geriatric medicine has enabled him to help countless patients successfully manage a wide range of chronic age-related diseases while also helping patients and their families understand and navigate end of life issues.

A proponent of preventive care, Dr. Nagel promotes an active, healthy lifestyle for all of his patients. In addition to routine family medicine services, he assists in creating nutrition and exercise plans tailored to the individual needs of his patients.

Dr. Nagel is board-certified in family medicine and is a member of the American Academy of Family Physicians. He earned his medical degree and completed his family practice residency training at the University of Iowa. Dr. Nagel, who spent years assisting in the emergency department of his local hospital, holds numerous life support certifications, including advanced cardiac life support (ACLS), advanced trauma life support (ATLS), basic life support (BLS) and pediatric advanced life support (PALS). Throughout his medical career, Dr. Nagel has served as a preceptor at the University of Iowa, helping to train the next generation of physicians and physician assistants.

Dr. Nagel and his wife, Denise, have nine children and seven grandchildren. Having vacationed in Colorado for more 25 years, he is excited to begin practicing medicine and serving patients in the Centennial State.

Read Dr. Nagel’s patient reviews here

Joseph Turner, MD, is Board Certified in Internal Medicine and has more than twelve years of experience as an internist, treating all manner of adult illness. He completed medical school at the University of Missouri and then went on to internship and residency at the University of North Carolina-Chapel Hill. He is a member of both the American Board of Internal Medicine and the American College of Physicians.

He has a special interest in acute medical illness — especially heart failure and infectious diseases. He also has special interests in medical education, having instructed medical residents and nurse practitioner students at his most recent affiliated hospital, St. Anthony’s Hospital, as well as medical ethics and health systems improvements, having served as the co-chairman of the medical ethics committee at North Suburban Medical Center.

He and his wife, along with their two sons, enjoy Colorado weather and outdoor activities such as hiking, snowshoeing, and hockey. Dr. Turner can also be found listening to music of all types, pretending he is still a radio DJ!

Carrie Wilcox, MD, is board certified in family medicine. A native Nebraskan, she attended medical school at the University of Nebraska Medical Center before moving to Denver to complete her training with Rose Family Medicine Residency. She returned to Colorado in 2013 after spending a year practicing medicine in New Zealand.

Dr. Wilcox joined North Vista Medical Center in fall 2013 to be part of a practice that matches her passions for emphasizing preventive medicine and building strong relationships with the community. She specializes in full-spectrum family medicine, with particular interest in caring for multi-generational families, minor office procedures, sports medicine and pediatrics.

In her free time, Dr. Wilcox likes to hike, spend time with friends, explore new cuisine, and is always looking for her next travel adventure.

Read Dr. Wilcox’s patient reviews here