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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 (3)

The overall average patient rating of Dr. Roger Winkle is Good. Dr. Winkle has been reviewed by 9 patients who have provided 3 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.2
Courteous Staff 4.8
Accurate Diagnosis 4.4
Bedside Manner 4.4
Spends Time with Me 4.2
Follows Up After Visit 4.0

Specialties & Research

Dr. Roger Winkle, DO, MD is board certified in Cardiovascular Disease.

  • He has special expertise in 6 areas:
  • Acute Coronary Syndrome (ACS)
  • Cardiac Arrhythmias
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Winkle graduated from University of Cincinnati. He has 4 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2010 - 2012, 2015)
Compassionate Doctor Recognition (2010 - 2012)
On-Time Doctor Award (2009, 2015)


Dr. Winkle has 11 hospital affiliations:

  • El Camino Hospital 
  • Stanford Hospital and Clinics 


  • German
  • Spanish
  • English
  • Vietnamese

> > > Dr. Roger Winkle, DO, MD

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Additional Information
Dr. Roger Allan Winkle DO and MD is a male Internist, has 41 years of experience and practices in Cardiovascular Disease.
Where does Dr. Roger A. Winkle practice?
Dr. Roger Winkle has 1 office location.
Dr. Roger Winkle practices Cardiovascular Disease near East Palo Alto, CA.