Family & Internal Medicine Fairfax, VA: Prima Medicine

Serving Fairfax, VA, South Riding, VA. Also serving Merrifield, VA and Fair Oaks, VA


Washington Top Doctors


Prima Medicine is a state-of-the-art primary care practice that provides exceptional care for adults at its two offices in the metropolitan Washington, D.C., area: Fairfax and South Riding, Virginia. Prima Medicine is part of Privia Medical Group, a national physician-directed, multispecialty medical group known for its commitment to providing superior, coordinated care.

Under the leadership of Washingtonian magazine’s Top Doc, Chethana Rao, MD, the medical and professional staff at Prima Medicine will never rush you through an appointment. The well-trained, compassionate medical staff’s number one job is to help you maintain the best overall health throughout your lifetime. The staff also knows that getting sick isn’t something you can plan ahead of time. In addition to offering regular office hours, same-day or next-day appointments are available as well as weekend hours.

The physicians at Prima Medicine offer a wide range of services to maintain your wellness as well as care for chronic and acute medical conditions. Services include annual physicals, Pap smears, and the management of conditions like acid reflux and peptic ulcers, diabetes, elevated cholesterol, high blood pressure, sleep disorders, and arthritis. To make an appointment, book online or call today.

Physicians of the Month


Dr. Siddique Toghral, MD is an active member of the American Academy of Family Physician. and is fluent in English and Farsi. Dr. Toghral enjoys weight training, playing soccer, and watching cool sci fi-movies.

Joan Qiong Wang, NP is a board-certified family and primary care nurse practitioner.

Staff photo of Prima Medicine

Part of Privia Medical Group

Prima Medicine 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. Download the myPrivia App!

What Our Patients Are Saying



Do You Need Urgent Care or the ER?

Experiencing a sudden health issue can be stressful, and you might wonder if you should go to the ER or urgent care. Take a moment to learn more about the ER versus urgent care so you’ll be prepared to make the right choice…

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It's the time for your annual physical exam, and it's important not to skip it! We can catch any potential health concerns that you may not have noticed. Annual physical exams entail a thorough check-up that includes blood work, vital signs, and any necessary test recommendations based on your age and gender. Don't forget to schedule your appointment today! #takecareofyourself #familymedicine
Dads, you are some of the bravest people. You have shown us how to be strong in heart, mind, and soul, and stay true to ourselves! #happyfathersday
Have you tried psychotherapy and antidepressants but can’t seem to conquer your depression? We have a different solution. Give us a call today to learn more! #IVketaminetherapy #depression
Primary care is an essential part of preventive healthcare. Regular check-ups can help us detect potential health problems before they become serious, and we can help manage chronic conditions to improve your overall quality of life. Reach out to schedule an appointment with our team today! #healthcare #preventivehealth #primarycare
High blood pressure is called the silent killer because it has no symptoms, at least not until it becomes life-threatening. To ensure your blood pressure is well-controlled, Chethana Rao, MD, and her experienced medical team at Prima Medicine offer on-site blood pressure checks. They create a custom treatment plan focusing on long-term methods to manage your blood pressure to prevent heart attacks and other complications. Visit our website to learn more today.

3 Convenient Locations in Your Area


M-F: 8:30am - 5pm
Sat: 8am - 12pm


M, Tue, F: 8:30am - 5pm
W: Closed
Thu: 8:30am - 12pm
Sat & Sun: Closed

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