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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

Patient comments (1)

The overall average patient rating of Dr. Robert Marion is Excellent. Dr. Marion has been reviewed by 11 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Robert Marion, MD is board certified in Clinical Genetics (M.D.).

  • He has special expertise in 7 areas:
  • Birth Defects or Abnormalities (Congenital Abnormalities)
  • Down Syndrome
  • Marfan Syndrome
  • Medical Genetics
  • Neurofibromatoses
  • Spina Bifida (Meningocele)
  • Williams Syndrome

Education & Awards

Dr. Marion graduated from Yeshiva University, Bronx. He has 4 awards.

Castle Connolly America's Top Doctors® (2003 - 2008, 2010 - 2015)
Castle Connolly Top Doctors: New York Metro Area™ (1999 - 2008, 2010 - 2015)
Patients' Choice Award (2008 - 2009, 2011 - 2012)
Compassionate Doctor Recognition (2011 - 2012)


Dr. Marion has 12 hospital affiliations:

  • Montefiore Medical Center: Moses Division 
  • Montefiore Medical Center 


  • Yiddish
  • Spanish
  • Italian
  • German
  • French
  • Chinese

> > > > Dr. Robert Marion, MD

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Additional Information
Dr. Robert W Marion MD is a male Medical Geneticist, has 32 years of experience and practices in Clinical Genetics and M.D..
Where does Dr. Robert W. Marion practice?
Dr. Robert Marion has 2 office locations.
Dr. Robert Marion practices Clinical Genetics and M.D. near Bronx, NY.
See Bronx Geneticists.