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).
be the first!
Specialties & Research
Dr. David Horwitz, MD is board certified in Internal Medicine and Rheumatology.
He has special expertise in 1 Area, including Rheumatic Diseases.
More Specialties & Research
Education & Awards
Dr. Horwitz graduated from University of Chicago.More Education & Awards
Dr. Horwitz has 3 hospital affiliations:
- USC University Hospitals
- Los Angeles County + University of Southern California Medical Center
- USCNorris Cancer Hospital
Accepted Insurance Plans
Dr. Horwitz accepts these health insurances in at least one office:
- United Healthcare - 2 plans
- Blue Shield of California - 77 plans
- LA Care Health Plan - 3 plans
More Accepted Insurance
Learn more about Dr. David Horwitz:
View the full profile to get information on:
- What's important to you
View full profile