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18 years of experience
Accepting new patients
Video profile
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).

Learn more about Dr. Margaret Andersen:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Margaret Andersen is Excellent. Dr. Andersen has been reviewed by 12 patients who have provided 3 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.4
Courteous Staff 4.4
Accurate Diagnosis 4.7
Bedside Manner 5.0
Spends Time with Me 4.9
Follows Up After Visit 4.9

Specialties & Research

Dr. Margaret Andersen, MD is board certified in Internal Medicine.

Education & Awards

Dr. Andersen graduated from Stony Brook University. She has 7 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2015)
Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2011, 2013 - 2015)
Compassionate Doctor Recognition (2011, 2013 - 2015)
Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2013 - 2016)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2013 - 2016)
On-Time Doctor Award (2014 - 2015)


Dr. Andersen has 4 hospital affiliations:

  • Beth Israel Medical Center Petrie Division 
  • Montefiore Medical Center 


  • Spanish

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Additional Information
Dr. Margaret Mary Andersen MD is a female Internist, has 18 years of experience and practices in Internal Medicine.
Where does Dr. Margaret M. Andersen practice?
Dr. Margaret Andersen has 1 office location.
Dr. Margaret Andersen practices Internal Medicine near Thornwood, NY.
See Thornwood Internists.