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. Guenther Mayer-Harnisch:
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- Dr. Guenther Carl Mayer-Harnisch MD is a male Family Practitioner and practices in Family Medicine.
- Where does Dr. Guenther C. Mayer-Harnisch practice?
- Dr. Guenther Mayer-Harnisch has 1 office location.
Dr. Guenther Mayer-Harnisch practices Family Medicine near Arroyo Grande, CA.
See Arroyo Grande Family Physicians.