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:
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- Currently 1 of 4 stars
The overall average patient rating of Dr. Ralph Horwitz is Poor.
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Specialties & Research
Dr. Ralph Horwitz, MD is board certified in Internal Medicine.
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Education & Awards
Dr. Horwitz graduated from Pennsylvania State University, Hershey.More Education & Awards
Dr. Horwitz has 3 hospital affiliations:
- Stanford Hospital and Clinics
- University Hospitals of Cleveland
- Yale-New Haven Hospital
Accepted Insurance Plans
Dr. Horwitz accepts these health insurances in at least one office:
- United Healthcare - 14 plans
- Great-West Healthcare - 1 plan
- Santa Clara Family Health Plan - 3 plans
- Humana - 2 plans
- USA H & W Network - 1 plan
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- Additional Information
- Where does Dr. Ralph I. Horwitz practice?
Dr. Ralph Horwitz practices Internal Medicine near Stanford, CA.
Additional practice locations include: Philadelphia, PA.
See Stanford Internists.