Dr. Cohen received his medical degree in 1990 from George Washington University, graduating with distinction in the top 10% of his class. He completed his internship and residency in Internal Medicine at the University of Colorado Health Sciences Center, where he developed a special interest in cardiovascular risk prevention.

Throughout his clinical career, Dr. Cohen maintained Board Certification in Internal Medicine as a Diplomate of the American Board of Internal Medicine. As Founder of the practice, he was a visionary leader in concierge internal medicine, known for his energy, compassion, and commitment to working proactively with patients to prevent disease, optimize long-term health, and build enduring physician-patient relationships. He retired from clinical practice in September 2025.

Dr. Cohen is married with three children and is an avid sports fan. In his free time, he enjoys outdoor activities with family and friends.

Dr. Ricca received his medical degree from Washington University School of Medicine, St. Louis, Missouri, in 1996. During that same year, he was elected to the national medical honor society, Alpha Omega Alpha. In 1999 he completed his internship and residency in Internal Medicine at the University of Colorado Health Sciences Center. After residency, he has been involved in the education of another generation of doctors as a clinical instructor at the University of Colorado Health Sciences Center. Dr. Ricca is a Diplomate of the American Board of Internal Medicine, and he is particularly interested in the prevention of cardiovascular disease. Since 2003, he has consistently received national recognition as one of the “Best Doctors in America,” as selected by physician colleagues.

Dr. Ricca grew up outside of Chicago, in Glen Ellyn, Illinois. He enjoys hiking, photography, and spending time with his wife, daughter, and dog.

Dr. Sean Brodie received his medical degree in 2015 from the Medical College of Virginia (MCV), following in the footsteps of his esteemed father and grandfather. Upon completing his medical degree, Dr. Brodie returned to his roots in Colorado to complete his medical residency in Internal Medicine at St Joseph Hospital.

Board-Certified in Internal Medicine, Dr. Brodie worked as a Hospitalist at Rose Medical Center for five years before joining our team. Here at Renaissance, he is driven by a vision of medicine where time isn’t constrained, and is inspired to offer individually tailored treatment plans and prioritize preventive care. Dr. Brodie believes in the power of humor to connect and alleviate anxieties, and regularly infuses laughter into his practice.

In his spare time, Dr. Brodie stays active through regular exercise and outdoor adventures, and cherishes moments spent with his wife and three children.

Amy keeps her finger on the pulse of the practice. She worked with Dr. Brent Cohen for several years and as a result of their shared devotion to providing an alternative healthcare experience, she has become a champion of the concierge concept. Amy is determined to ensure that each patient is provided with the highest quality service possible. From the moment you step into the center, Amy becomes your advocate for an exceptional experience.

Amy received her BA at the University of Notre Dame and went on to pursue a career in Continuing Medical Education (CME). As Operations Manager for a private education company in Littleton, she directed programs addressing the needs of primary care physicians nationally. From there she moved to the hospital setting, developing the CME program at The Medical Center of Aurora. Here, she was also actively involved with HealthONE Outreach bringing CME to rural physicians throughout Colorado and Nebraska.

For the last 20+ years, Amy has lived in Evergreen, where she and her husband raised their two sons and savored all the outdoor together time along the way. When not spending time with family and friends, Amy enjoys reading, skiing and woodworking.

Karen Brumage is a registered nurse with more than 20 years of clinical experience caring for patients across a variety of healthcare settings. Her background includes cardiac nursing at Swedish Medical Center, where she cared for patients recovering from complex cardiovascular procedures,  a Clinical Scholar and Affiliate Faculty for Denver area nursing schools where she taught nursing students in the clinical setting, as well as extensive experience in private-duty nursing and patient care coordination as a business owner here in Colorado.

Most recently, Karen worked with Optum Health, helping develop innovative programs focused on chronic disease management, remote patient monitoring, and improving the patient experience. Throughout her career, she has remained passionate about building meaningful relationships with patients and helping them navigate their healthcare with confidence.

At Renaissance Medical Center, Karen works closely with our physicians to provide personalized nursing care and clinical guidance that enhances the concierge medicine experience. Her thoughtful approach, clinical expertise, and genuine compassion make her a valued member of our team.

In her free time, Karen enjoys reading, hiking, travel, theater performances, and being with her family.

Mallory is an experienced Certified Medical Assistant with a diverse background spanning cardiology, neurology, and patient admissions. With nearly 20 years in healthcare, she combines clinical expertise with genuine compassion to ensure every patient feels valued and supported. Her warm and upbeat personality helps create a welcoming atmosphere for patients and colleagues alike.

In her free time, she enjoys snowboarding, ATVing, camping and relaxing with her family and pets.

Nicole joins us with over six years of experience in the medical field. She has worked in various medical offices such as Cardiovascular, Rehabilitation, and Neurology. Her passion is making patients smile and feel welcomed when they walk through the door.

Nicole is a Colorado native and enjoys time with her fur baby Hogan! She loves to spend as much time outdoors as possible paddleboarding, hiking, snowshoeing, or taking long walks around her neighborhood or nearby parks.

Jenifer joins us with over 30 years of experience in the medical field.  Her passion is providing patients with access to the highest quality of care.  She provides assistance to patients and the team, with her knowledge, experience and her smile.  She is always willing to go the extra mile to ensure confidence, clarity and trust in the service received.

Outside of the office, Jenifer spends her time her husband, Troy, their kids and her many grandbabies.  She is a certified Health and Wellness Coach and loves assisting her clients with their positive life goals.  She is a native to Seattle and has lived in Arizona as well.  She loves the beauty of Colorado and is happy to call it home.