Mercy Clinic Primary Care - Washington Suite 306

Doctor's Office
851 E. Fifth Street, Suite 306
Washington, MO 63090

Main Entrance: West side near parking lot


Phone: (636) 239-2741
Fax: (636) 239-0194
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Mercy Clinic Primary Care - Washington provides complete care to help you reach your health care goals. Our internal medicine doctors, Tim Baker MD and William Fritz, MD, are here to provide the very best care, and to take the time to listen and respond to your questions and concerns. Our goal is to keep you healthy and active at every stage of life.

Prevention is key. We want to help you stay ahead of illnesses and other health problems before they become more complicated. Together we can take steps to keep you on the go and living life to its fullest, including:

  • Regular health check-ups
  • Scheduling screenings and vaccines based on your age and family/medical history
  • Making positive lifestyle changes

As needed, we can easily connect you with Mercy medical specialists in our area, along with a full range of laboratory and imaging services. And to ensure you the get the most efficient and complete care, all Mercy providers work from a single, electronic health record for each patient.

Services at Mercy Clinic Primary Care - Washington

  • Treatment of minor illnesses and injuries, including strains, sprains and fractures
  • Diagnosis and treatment of adult conditions
  • Flu shots and other immunizations
  • General medical evaluations and wellness exams
  • Cholesterol management
  • Diabetes care

As a Mercy Clinic patient, you'll also enjoy the convenience of MyMercy+, our free app that makes it so easy to access your health information and connect with your doctor.

If you have any questions about the care and services offered by Drs. Baker and Fritz, please call our office at 636-239-2741.

We've made it easier to reach us.

Our new, extended phone hours: 
M-F | 7 a.m. - 7 p.m.
Sat | 8 a.m. - noon

While our care team is still available to answer your medical concerns 24/7, we're extending our phone hours for non-medical needs, too. Call to schedule an appointment, request refills and more during our extended phone hours. Or use your MyMercy+ app or mercy.net anytime.

Meet Our Team