A physician who gets to know you
Build an ongoing relationship with a board-certified internist. Longer appointments give you time to discuss concerns, understand your options, and plan your next steps.
Denver, Colorado
Direct Primary Care Doctor for Denver, Colorado
COS DPC offers membership-based primary care for Denver residents, including Downtown, Cherry Creek, Washington Park, Central Park, and southeast Denver. Dr. Cornelia Willis, a board-certified internal medicine physician, brings a personal approach to adult healthcare—with longer visits, direct physician access, and telehealth options.
Visit the practice
Personal care. A lasting relationship.
Get to know Dr. Willis and explore a membership built around your health. Start with a free meet & greet to discuss care, telehealth, and appointment options.
Meet your doctor
Dr. Cornelia J. Willis, MD, MPH
Board-certified Internal Medicine physician · U.S. Army veteran
Dr. Willis earned her medical degree at the University of Vermont and her Master of Public Health at George Washington University. She completed her Internal Medicine residency at Madigan Army Medical Center.
At COS DPC, she provides relationship-based care with time to understand your health history and concerns.
Read Dr. Willis’ full biographyCare & access
Primary care for Denver, Colorado
From preventive checkups to managing ongoing health concerns, your care should fit together. Explore primary care services at COS DPC and work with Dr. Willis on a plan that reflects your health history, priorities, and day-to-day life.
Membership benefits
What to know about membership
Clear membership pricing
A monthly membership covers primary care visits with no visit copays. Review age-based rates, benefits, eligibility, and any separate costs before joining.
Access beyond the appointment
Reach your physician by text or phone and use telehealth for appropriate visits. Stay connected about follow-up questions and ongoing care; after-hours access is subject to availability.
Patient Stories
What Our Patients Say
Real people. Real experiences. A higher standard of primary care.
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FAQs
Direct Primary Care for Denver – FAQs
Do you accept patients from Denver neighborhoods?
Yes. Denver residents can inquire about membership, including those in Cherry Creek, Washington Park, Central Park, Downtown, and southeast Denver. Start with a free meet & greet to talk through your needs and enrollment eligibility.
Can I use telehealth from Denver?
Yes. Telehealth is available when appropriate for your care. Some appointments require an in-person examination or testing; office visits take place at 4711 Opus Drive, Suite 200, Colorado Springs, CO 80906. Ask the practice which visit format is right for you.
How does a DPC membership work with insurance?
You pay COS DPC directly for membership primary care. Membership is not health insurance, and care outside the practice can involve additional costs. Review membership pricing and eligibility for current terms, including Medicare, TRICARE, and Medicaid policies.
How do I get started?
Schedule a free meet & greet to get to know Dr. Willis and ask about membership, services, and appointment options. Contact the practice to take the next step.
Our community
Serving Denver and Nearby Communities
COS DPC welcomes inquiries from across the Denver metro area, including Aurora, Lakewood, Thornton, Arvada, Westminster, Centennial, Englewood, Littleton, and Highlands Ranch. Within Denver, we serve residents of Downtown, Cherry Creek, Washington Park, Central Park, and southeast Denver. Contact us to discuss membership and appointment options from your community.