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. James Williams:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. James Williams is Excellent.
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Specialties & Research
Dr. James Williams, MD is board certified in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.
Education & Awards
Dr. Williams graduated from Harvard University , Boston. He has 1 awards.
Dr. Williams has 2 hospital affiliations:
- University of California, Irvine Medical Center
- University of California
Accepted Insurance Plans
Dr. Williams accepts these health insurances in at least one office:
- United Healthcare - 16 plans
- Great-West Healthcare - 4 plans
- CaIOPTIMA - 5 plans
- Anthem Blue Cross - 7 plans
- Aetna - 3 plans
Similar doctors nearby
- Additional Information
- Where does Dr. James H. Williams practice?
Dr. James Williams practices Internal Medicine, Critical Care Medicine, Pulmonary Disease, and Hospitalist near Orange, CA.
Additional practice locations include: Mission Viejo, CA.
See Orange Internists, Orange Critical Care Practitioners, Orange Pulmonologists, and Orange Hospitalists.