Treating the Whole Patient

We work with you to craft an individual treatment plan to fit your needs and lifestyle. We are conveniently located in Waldorf, MD. Make an appointment online to come see us today!


Proud to be Part of Privia Medical Group

Cook & Siu PC is a proud member of Privia Medical Group. The best doctors in our community have joined together to form Privia Medical Group (PMG), a multi-specialty, high-performance medical group that puts patients first. Our physicians are united by the mission of providing better, more coordinated care for their patients.

To learn more about Privia Medical Group and find other Privia doctors, please visit our website.

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I love Dr. Siu. Very informative and sweet.

Main Office


3450 Old Washington Road Suite 103
Waldorf, MD 20602 Get Directions


301.472.4290 240.607.3609 Secure Message via Portal


Learn More

Patient Portal

Access your personal health information and test results, securely message your care team, and manage payments, all from one spot and at your convenience, 24/7.

  • See your provider's openings and schedule appointments.
  • Review prescription medications and request renewals.
  • View payment history and pay current invoices.
Patient Portal