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. John Ritter:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 4 of 4 stars
The overall average patient rating of Dr. John Ritter, Anesthesiologist, Pain Medicine is Excellent.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Education & Awards
Dr. Ritter graduated from Medizinische Universitat Vienna. He has 2 awards.
Dr. Ritter has 3 hospital affiliations:
- UCLA Medical Center
- Foothill Presbyterian Hospital
- Citrus Valley Medical Center - Inter-Community Campus