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. Chang Oak:
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Specialties & Research
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. Oak graduated from Yonsei University, Seoul.
Dr. Oak has 1 hospital affiliations:
- Washington County Hospital - Plymouth
Accepted Insurance Plans
Dr. Oak accepts these health insurances in at least one office:
- Blue Cross Blue Shield of North Carolina - 15 plans
- Cigna - 5 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Chang Y. Oak practice?
Dr. Chang Oak practices Internal Medicine, Family Medicine, General Practice, and Occupational Medicine near Plymouth, NC.
See Plymouth Internists, Plymouth Family Physicians, Plymouth General Practitioners, and Plymouth Preventive Medicine Specialists.