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. John Hamm, FACC, MD is board certified in Internal Medicine and Cardiovascular Disease.
- He has special expertise in 5 areas:
- Acute Coronary Syndrome (ACS)
- Heart Block
- High Blood Pressure (Hypertension)
- Unstable Angina
Education & Awards
Dr. Hamm graduated from Washington University at St. Louis, Saint Louis.
Dr. Hamm has 5 hospital affiliations:
- Oak Valley Hospital District
- Doctors Hospital of Manteca