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).
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Specialties & Research
Dr. Mario Perez, DO is board certified in Internal Medicine, Infectious Disease, and Pediatrics.
He has special expertise in 1 Area, including AIDSHIV Acquired Immunodeficiency Syndrome.
More Specialties & Research
Education & AwardsMore Education & Awards
Dr. Perez has 1 hospital affiliations:
- Kaiser Permanente Fontana Medical Center