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).
be the first!
Specialties & Research
Dr. Lennig Chang, MD is board certified in Internal Medicine and Rheumatology.
He has special expertise in 1 Area, including Rheumatic Diseases.
More Specialties & Research
Education & Awards
Dr. Chang graduated from University of California at San Francisco.More Education & Awards
Dr. Chang has 11 hospital affiliations:
- Beth Israel Deaconess Medical Center
- Newton-Wellesley Hospital
Accepted Insurance Plans
Dr. Chang accepts these health insurances in at least one office:
- Tufts Health Plans - 2 plans
- United Healthcare - 19 plans
- Blue Cross Blue Shield of Massachusetts - 16 plans
- Unicare - 12 plans
- Evercare - 3 plans
- Cigna - 3 plans
More Accepted Insurance
Learn more about Dr. Lennig Chang:
View the full profile to get information on:
- What's important to you
View full profile