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 Horwitz:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 1 of 4 stars
The overall average patient rating of Dr. Ralph Horwitz is Poor.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
Dr. Ralph Horwitz, MD is board certified in Internal Medicine.
Education & Awards
Dr. Horwitz graduated from Pennsylvania State University, Hershey.
Dr. Horwitz has 1 hospital affiliations:
- Stanford Hospital and Clinics
Similar doctors nearby
- Additional Information
- Dr. Ralph Irving Horwitz MD is a male Internist, has 37 years of experience and practices in Internal Medicine.
- Where does Dr. Ralph I. Horwitz practice?
- Dr. Ralph Horwitz has 3 office locations.
Dr. Ralph Horwitz practices Internal Medicine near Stanford, CA.
Additional practice locations include: Philadelphia, PA.
See Stanford Internists.