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16 years of experience
Video profile
Accepting new patients
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).

Patient Reviews

  • Currently 4 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. Margaret Andersen is Excellent. Dr. Andersen has been reviewed by 7 patients who have provided 3 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
  • Currently 4 of 4 stars
Promptness 3.7
  • Currently 3.6666666666667 of 4 stars
Courteous Staff 3.7
  • Currently 3.6666666666667 of 4 stars
Accurate Diagnosis 3.8
  • Currently 3.8333333333333 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 4.0
  • Currently 4 of 4 stars
Follows Up After Visit 4.0
  • Currently 4 of 4 stars

Specialties & Research

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

  • She has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Andersen graduated from Stony Brook University. She has 6 awards.

Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2011, 2013 - 2014)
Compassionate Doctor Recognition (2011, 2013)
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)


Dr. Andersen has 4 hospital affiliations:

  • Montefiore Medical Center 
  • Beth Israel Medical Center Petrie Division 


  • Spanish

> > > > Dr. Margaret Andersen, MD

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Additional Information
Dr. Margaret Mary Andersen MD is a female Internist, has 16 years of experience and practices in Internal Medicine.
Where does Dr. Margaret M. Andersen practice?
Dr. Margaret Andersen has 2 office locations.
Dr. Margaret Andersen practices Internal Medicine near Thornwood, NY.
Additional practice locations include: Katonah, NY.
See Thornwood Internists.