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. Karen Hacker:
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Specialties & Research
Dr. Karen Hacker, MD is board certified in Internal Medicine - Adolescent Medicine.
Education & Awards
Dr. Hacker graduated from Northwestern University, Chicago.
Dr. Hacker has 7 hospital affiliations:
- Massachusetts General Hospital
- Boston Medical Center
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- Additional Information
- Dr. Karen Ann Hacker MD is a female Family Practitioner, has 28 years of experience and practices in Adolescent Medicine and Adolescent Medicine.
- Where does Dr. Karen A. Hacker practice?
- Dr. Karen Hacker has 2 office locations.
Dr. Karen Hacker practices Adolescent Medicine and Adolescent Medicine near Somerville, MA.
Additional practice locations include: Cambridge, MA.
See Somerville Adolescent Specialists.