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Emergency Physician, Internist
38 years of experience
Video profile
Accepting new patients
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

  • Currently 2.5 of 4 stars
Patient comments (7)

The overall average patient rating of Dr. Gregory Joy is Good. Dr. Joy has been reviewed by 11 patients who have provided 7 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 2.1
  • Currently 2.1 of 4 stars
Promptness 1.8
  • Currently 1.8 of 4 stars
Courteous Staff 2.3
  • Currently 2.3 of 4 stars
Accurate Diagnosis 2.2
  • Currently 2.2 of 4 stars
Bedside Manner 2.4
  • Currently 2.4444444444444 of 4 stars
Spends Time with Me 2.3
  • Currently 2.3 of 4 stars
Follows Up After Visit 1.4
  • Currently 1.4285714285714 of 4 stars

Specialties & Research

Dr. Gregory Joy, MD is board certified in Internal Medicine.

Education & Awards

Dr. Joy graduated from University of California at San Diego, La Jolla.


Dr. Joy has 4 hospital affiliations:

  • South Coast Medical Center/Adventist Health 
  • Coastal Communities Hospital 


  • German
  • Spanish
  • Tagalog

> > > > Dr. Gregory Joy, MD

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Additional Information
Dr. Gregory James Joy MD is a male Emergency Medicine Specialist, has 38 years of experience and practices in Internal Medicine and Emergency Medicine.
Where does Dr. Gregory J. Joy practice?
Dr. Gregory Joy has 2 office locations.
Dr. Gregory Joy practices Internal Medicine and Emergency Medicine near Mission Viejo, CA.
Additional practice locations include: Whittier, CA.
See Mission Viejo Internists and Mission Viejo Emergency Physicians.