About Us

About the Office

Our Team

Mary, Amy and Cathy, our three dedicated team members, are ready and willing to help with all your health needs.


Mary started her career as a nurse at St. Luke’s Hospital in the Emergency Room. She graduated from Deaconess School of Nursing with a Bachelor of Science in Nursing followed by graduate work at Maryville University where she was awarded her Masters of Science in Nursing as a board certified Family Nurse Practitioner. Mary worked in local urgent care centers before settling into her role as a primary care provider.

Mary is officially HIV Credentialed, earning her HIV Specialist credential through the American Academy of HIV Medication’s ( AAHIVM) credentialing program. Obtaining the  AAHIVS credential, professionally, designated by the letters “AAHIVS” , demonstrates that she support standards excellence in HIV care by going through a credentialing process. #HIVSpecialist.

Mary has additional training in age management, hormone replacement therapy, and IV Nutrition. Professional Memberships and Certifications include:

  • American Academy of HIV Medication
  • American Academy of Nurse Practitioners
  • St. Louis Nurses in Advanced Practice
  • Missouri Coalition of Advanced Practice Nursing
  • American Nurses Association
  • Missouri Nurses Association
  • Emergency Nurses Association
Mary with staff outside

Amy and Cathy keep the office running smoothly.

Please do not hesitate to ask them any questions.

Pt at desk

Enhance your experience

Meet Dr Max Orris and Karen Grist

Your experience at Optimal Healthcare will be enhanced if you take advantage of the services of Orris Family Chiropractic Care. Dr. Max Orris, Mary’s son offers a variety of traditional and cutting edge Chiropractic treatments. Rounding out the experience is Karen Grist, team member and licensed massage therapist.

Candles / relaxing

636 200 8555 to make an appointment.