> > > > Dr. Karen Hacker, MD
Dr. Karen Ann Hacker MD is a female Family Practitioner, has 28 years of experience and practices in Internal Medicine, Adolescent Medicine, Pediatrics, Pediatric Adolescent Medicine, and Adolescent Medicine.
Dr. Karen Hacker has 2 office locations.
81 Highland Ave
Prospect Hill, Somerville, MA 02143

Phone Number
Locations and availability (2)
License & Identifications

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).

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Specialties & Research

Dr. Karen Hacker, MD is board certified in Internal Medicine and 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 

Accepted Insurance Plans

Dr. Hacker accepts these health insurances in at least one office:

  • United Healthcare - 17 plans
  • Blue Cross Blue Shield of Massachusetts - 17 plans
  • Harvard Pilgrim Health Care - 2 plans
  • Humana - 2 plans
  • Cigna - 1 plan
  • Network Health - 2 plans


  • French

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Additional Information
Where does Dr. Karen A. Hacker practice?
Dr. Karen Hacker practices Internal Medicine, Adolescent Medicine, Pediatrics, Pediatric Adolescent Medicine, and Adolescent Medicine near Somerville, MA.
Additional practice locations include: Cambridge, MA.
See Somerville Internists, Somerville Adolescent Specialists, Somerville Pediatricians, and Somerville Family Physicians.