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. Michael Greenfield:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Michael Greenfield is Excellent. Dr. Greenfield has been reviewed by 8 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.7
Courteous Staff 4.3
Accurate Diagnosis 3.7
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 3.7

Specialties & Research

Dr. Michael Greenfield, MD is board certified in Internal Medicine.

  • He has special expertise in 5 areas:
  • Diabetes
  • Endocrinology
  • Thyroid Diseases
  • Weight Loss
  • Weight loss (non-surgical)

Education & Awards

Dr. Greenfield graduated from Harvard University , Boston. He has 1 awards.

Patients' Choice Award (2014)


Dr. Greenfield has 4 hospital affiliations:

  • El Camino Hospital 
  • O'Connor Hospital - San Jose 

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Additional Information
Dr. Michael S Greenfield MD is a male Internist, has 37 years of experience and practices in Internal Medicine.
Where does Dr. Michael S. Greenfield practice?
Dr. Michael Greenfield has 1 office location.
Dr. Michael Greenfield practices Internal Medicine near Mountain View, CA.
See Mountain View Internists.