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. John Campbell:
View the full profile to get information on:
- What's important to you
View full profile
Write a Review
Specialties & Research
Dr. John Campbell, MD is board certified in Internal Medicine.
Education & Awards
Dr. Campbell graduated from Medical College of Ohio, Toledo.
Similar doctors nearby
- Additional Information
- Dr. John Jeffrey Campbell MD is a male Internist, has 30 years of experience and practices in Internal Medicine.
- Where does Dr. John J. Campbell practice?
- Dr. John Campbell has 1 office location.
Dr. John Campbell practices Internal Medicine near Portland, OR.
See Portland Internists.