A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Ralph Johnson:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 1.5 of 4 stars
The overall average patient rating of Dr. Ralph Johnson is Satisfactory.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
Dr. Ralph Johnson, MD is board certified in Emergency Medicine.
More Specialties & Research
Education & Awards
Dr. Johnson graduated from Saint Louis University.More Education & Awards
Dr. Johnson has 2 hospital affiliations:
- Christian Hospital Northeast
- Saint Louis University Hospital