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31 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 3 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. Andrew Keller, Cardiologist is Good. Dr. Keller has been reviewed by 10 patients who have provided 3 comments. The rating is 3 out of 4 stars.

Patient Ratings
Ease of Appointment 3.0
  • Currently 3 of 4 stars
Promptness 2.3
  • Currently 2.25 of 4 stars
Courteous Staff 2.7
  • Currently 2.6666666666667 of 4 stars
Accurate Diagnosis 2.8
  • Currently 2.8 of 4 stars
Bedside Manner 2.7
  • Currently 2.6666666666667 of 4 stars
Spends Time with Me 2.8
  • Currently 2.8 of 4 stars
Follows Up After Visit 2.8
  • Currently 2.8 of 4 stars

Specialties & Research

Dr. Andrew Keller, MD is board certified in Cardiovascular Disease.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Echocardiography
  • Heart Block
  • High Blood Pressure (Hypertension)
  • Unstable Angina

Education & Awards

Dr. Keller graduated from The Ohio State University , Columbus. He has 1 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2007 - 2008, 2010 - 2014)


Dr. Keller has 9 hospital affiliations:

  • Danbury Hospital 
  • New York Presbyterian Hospital / Columbia 


  • Portuguese
  • Spanish

> > > > Dr. Andrew Keller, MD

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Additional Information
Dr. Andrew M Keller MD is a male Internist, has 31 years of experience and practices in Cardiovascular Disease.
Where does Dr. Andrew M. Keller practice?
Dr. Andrew Keller has 5 office locations.
Dr. Andrew Keller practices Cardiovascular Disease near Southbury, CT.
Additional practice locations include: Danbury, CT and Ridgefield, CT.
See Southbury Cardiologists.