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High Mark Internal Medicine

Primary Care, Internal Medicine & Concierge Medicine located in Prescott, AZ


High Mark Internal Medicine

About High Mark Internal Medicine


High Mark Internal Medicine is a full-service primary care practice proudly serving the community of Prescott, Arizona, for those aged 18 and older. Under the leadership of Erik Contreras, MD, the practice is one of the most highly sought-after health resources in the region, offering personalized care in an unrushed, welcoming manner. 

Dr. Contreras chose to shape his private practice using a concierge medicine model. This gives individuals a more streamlined path to the care they need. 

Primary care is the foundation of High Mark Internal Medicine. Annual exams, screenings, and lab testing support preventive health, with a focus on identifying areas of concern before they develop into serious health issues. 

When illness or injury occurs, sick visits offer a fast track toward relief. If you develop one or more chronic health conditions, chronic disease management strives to improve symptoms and avoid negative health outcomes, including early death. If you require hospital care, inpatient services are available. 

To learn more about all that High Mark Internal Medicine has to offer patients from early adulthood through geriatric care, schedule a time to come in and meet Dr. Contreras and the team. Request an appointment online any time of day, or call the friendly staff during normal business hours to learn about availability. 

Meet The Doctor


Erik Contreras, MD

Erik Contreras, MD


Erik Contreras, MD, is a knowledgeable, skilled, and practiced Internist. Dr. Contreras provides outstanding internal medicine, direct primary care, and concierge medicine services to patients 18 years and older at High Mark Internal Medicine in Prescott, Arizona.

A 3rd generation Arizonan, Dr. Contreras is dedicated to providing high-quality health care to the residents of Prescott and surrounding communities.

Dr. Contreras completed his undergraduate education at Arizona State University (ASU) in Tempe and then moved his family to Guadalajara, Mexico, to attend Autonoma de Guadalajara for medical school.

Dr. Contreras relocated to the United States four years later and continued training at New York Medical College (NYMC) in Valhalla, New York. He and his family then returned to Arizona, where he completed his residency in Internal Medicine at Maricopa County Hospital.

Upon completion of residency, the family moved to Prescott, where Dr. Contreras is now a partner with NAZ Hospitalist Group (Northern Arizona Hospitalists), working at both Yavapai Regional Medical Centers.

Dr. Contreras has continued his development as a physician by taking on various roles at the hospital and within its administration. In addition to being a hospitalist and ICU physician, Dr. Contreras has been chair of the Pharmacy and Therapeutics committee and serves as Vice Chief of Staff for the hospital.

He proudly offers a clinic that allows extended appointments, annual exams, on-site lab draws, and chronic disease management for conditions like high blood pressure and diabetes. 

By incorporating the best private practice traditional values with some innovation, High Mark Internal Medicine’s medical members can expect maximum benefit from their local private direct provider.

Dr. Contreras warmly welcomes all patients into the practice and looks forward to caring for them.

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Our Location


High Mark Internal Medicine

214 N McCormick St,
Prescott, AZ 86301

Hours Of Operation:

Monday: 9:00 AM - 5:00 PM
Tuesday: 9:00 AM - 5:00 PM
Wednesday: 9:00 AM - 5:00 PM
Thursday: 9:00 AM - 5:00 PM
Friday: 9:00 AM - 3:00 PM
Saturday: Closed
Sunday: Closed