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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 (5)

The overall average patient rating of Dr. Edwin Hayashi is Excellent. Dr. Hayashi has been reviewed by 22 patients who have provided 5 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.3
Courteous Staff 4.7
Accurate Diagnosis 4.9
Bedside Manner 4.8
Spends Time with Me 4.7
Follows Up After Visit 4.7

Specialties & Research

Dr. Edwin Hayashi, MD is board certified in Surgery.

Education & Awards

Dr. Hayashi graduated from University of California at San Francisco. He has 2 awards.

Patients' Choice Award (2010 - 2012, 2014)
Compassionate Doctor Recognition (2010 - 2012, 2014)


Dr. Hayashi has 5 hospital affiliations:

  • French Hospital Medical Center 
  • Arroyo Grande Community Hospital 


  • English
  • Spanish

> > > > Dr. Edwin Hayashi, MD

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Additional Information
Dr. Edwin S Hayashi MD is a male Surgeon, has 21 years of experience and practices in Surgery.
Where does Dr. Edwin S. Hayashi practice?
Dr. Edwin Hayashi has 4 office locations.
Dr. Edwin Hayashi practices Surgery near San Luis Obispo, CA.
Additional practice locations include: Templeton, CA and Pismo Beach, CA.
See San Luis Obispo Surgeons.