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. Marc Horwitz:
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Specialties & Research
Dr. Marc Horwitz, MD is board certified in Psychiatry.
More Specialties & Research
Education & Awards
Dr. Horwitz graduated from The Ohio State University , Columbus.More Education & Awards
Dr. Horwitz has 6 hospital affiliations:
- University Hospitals of Cleveland
- Euclid Hospital
Accepted Insurance Plans
Dr. Horwitz accepts these health insurances in at least one office:
- Great-West Healthcare - 2 plans
- Medical Mutual of Ohio - 8 plans
- Cigna - 2 plans
- CareSource - 2 plans
- SummaCare Health Plan - 2 plans
More Accepted Insurance
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- Additional Information
- Where does Dr. Marc J. Horwitz practice?
Dr. Marc Horwitz practices Psychiatry and Geriatric Psychiatry near Cleveland, OH.
See Cleveland Psychiatrists.