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 McWilliams:
View the full profile to get information on:
- What's important to you
View full profile
be the first!
Specialties & Research
Dr. John McWilliams, MD is board certified in Internal Medicine.
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. McWilliams graduated from Harvard University , Boston.
Dr. McWilliams has 3 hospital affiliations:
- Brigham and Women's Hospital
- Faulkner Hospital
- Brigham & Women`s Hospital
Accepted Insurance Plans
Dr. McWilliams accepts these health insurances in at least one office:
- Tufts Health Plans - 5 plans
- Blue Cross Blue Shield of Massachusetts - 15 plans
- Unicare - 12 plans
- Network Health - 2 plans
- Medicare - 1 plan
- Cigna - 1 plan
Similar doctors nearby
- Additional Information
- Where does Dr. John M. McWilliams practice?
Dr. John McWilliams practices Internal Medicine near Boston, MA.
See Boston Internists.