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Internist, Cardiologist (heart)
15 years of experience

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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).

Learn more about Dr. Daniel Greif:

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  1. Qualifications
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Specialties & Research

Dr. Daniel Greif, MD is board certified in Cardiovascular Disease.

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

Education & Awards

Dr. Greif graduated from University of California at San Francisco.


Dr. Greif has 2 hospital affiliations:

  • Yale-New Haven Hospital 
  • Mills-Peninsula Health Services 


  • Spanish

> > > > Dr. Daniel Greif, MD

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Additional Information
Dr. Daniel M Greif MD is a male Internist, has 15 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Daniel M. Greif practice?
Dr. Daniel Greif has 1 office location.
Dr. Daniel Greif practices Internal Medicine and Cardiovascular Disease near New Haven, CT.
See New Haven Internists and New Haven Cardiologists.