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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- Currently 2.5 of 4 stars
The overall average patient rating of Dr. Marina Johnson, Endocrinologist (Board-Certified) is Good.
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Specialties & Research
Dr. Marina Johnson, MD is board certified in Internal Medicine and Endocrinology and Metabolism.
- She has special expertise in 7 areas:
- Cardiovascular Disease
- Coronary Artery Disease (CAD)
- Diabetes Mellitus
- Male Menopause
- Thyroid Diseases
Education & Awards
Dr. Johnson graduated from University of California at Los Angeles.
Dr. Johnson has 1 hospital affiliations:
- Baylor Hosp Of Grapevine