Medical officer may refer to:
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Physician
A physician, medical practitioner (British English), medical doctor, or simply doctor is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through the Medical education, study, Med ...
, a medical doctor in general
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Military physicians who are also commissioned officers
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Medical Officer (AYUSH), the title used in India
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Medical Officer for Health, the senior government official of a health department
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