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South Denver Concierge Doctor
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Meet Dr. Miranda & Staff

South Denver Internal Medicine was established in 2003 by Dr. Charles Miranda, who is a specialist in internal medicine. An internal medicine physician specializes in the prevention, detection and treatment of illnesses in adults.  Our office is conveniently located near Sky Ridge Medical Center in Lone Tree, Colorado. We serve adults from both inside and outside of the Denver area.

Charles H. Miranda, MD, FACP

Charles H. Miranda, MD, FACP

Dr. Miranda is a native of Colorado. After graduating from the University of Colorado at Boulder with a bachelor’s degree in chemistry, Dr. Miranda earned his medical degree from the University of California San Francisco School of Medicine in 1990. He completed his internship and residency in internal medicine and pediatrics at the Baylor College of Medicine in Houston, Texas.

Following his residency, Dr. Miranda remained at Baylor College of Medicine as a full time faculty member and served for ten years as director of the Combined Internal Medicine-Pediatrics Residency Program. During this time, Dr. Miranda also completed the Master Teachers’ Fellowship Program at Baylor.

In 2003, Dr. Miranda returned to Colorado and opened his private practice, South Denver Internal Medicine, located in Lone Tree, Colorado.

Dr. Miranda is board certified in internal medicine. He is a fellow of the American College of Physicians (FACP).

In addition to maintaining a busy medical practice he is on the volunteer clinical teaching faculty at the University of Colorado Denver School of Medicine for which he received a medical student teaching award.

Shortly after starting his practice in the Denver area, Dr. Miranda was chosen by his peers as one of Denver’s 5280 Magazine “250 Top Doctors.”


Barbara Bartleson

Barbara Bartleson joined South Denver Internal Medicine at the inception of Dr. Miranda’s concierge program in 2012. She brings her diverse background in customer service, hospitality, residential property management, sales/marketing, photography, and creativity to the practice. In her role as Concierge Coordinator, she introduces, advises and educates patients to the benefits of our Executive Wellness and Prevention Program.  Her highest priorities include hospitality, customer service and ensuring that patient service requests are handled promptly. Barbara is a California native, but has called Colorado home for 15 years.  She has one son that she is very proud of.  She enjoys learning new things every day about the healthcare industry and helping patients feel cared for and appreciated.

Myriam Preston

Myriam Perez, our clinical manager, began her medical career as a certified medical assistant over 12 years ago. Since then she has acquired a broad array of medical experience and expertise and has obtained a Master’s in Health Care Management. Myriam’s career has come full circle as she has returned to her true calling and passion of working with and caring for patients. She has one daughter.

Melissa Roberts

Melissa Barella is our Front Office Coordinator.  She ensures a smooth running front office.   She enjoys working with patients and is responsible for conducting most of the testing done for our Executive Physical, including the V02 and Metabolic testing.  Melissa has over 10 years of experience working in the medical field. She is a native of Colorado.  She is the proud mother of a beautiful daughter.