Heidi Joist, MD

Heidi Yoast MD


Phone: 314-842-9669
Fax: 314-842-1017


SSM Health St. Mary’s Hospital
6400 Clayton Road
Suite 303
St. Louis, MO 63117
Wed. Appts: 12:00-4:00 PM

Hospital Affiliations

Christian Hospital Northeast
Saint Louis, MO


DePaul Health Center
Bridgeton, MO


St. Anthony’s Health Center
St. Louis, MO


St. Mary’s Health Center
St. Louis, MO

Education & Training

Washington University
Fellowship, Nephrology, 2002 – 2005

Washington University – Barnes-Jewish Hospital
Residency, Internal Medicine, 1998 – 2001

Washington University School of Medicine in St. Louis
Class of 1998

Certifications & Licensure

The American Society of Hypertension, Inc
Specialist in Clinical Hypertension, 2025

MO State Medical License
1999 – present

American Board of Internal Medicine
Internal Medicine

American Board of Internal Medicine

Awards, Honors, & Recognition

Meaningful Use Stage 1 Certification
Centers for Medicare & Medicaid Services, 2013

Doctors by Hospital