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Reproductive Endocrinologist, Obstetrician & Gynecologist
30 years of experience
Accepting new patients
Video profile
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 (24)

The overall average patient rating of Dr. David Diaz, Reproductive Endocrinologist, Obstetrician & Gynecologist is Good. Dr. Diaz has been reviewed by 36 patients who have provided 24 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 4.3
Courteous Staff 4.4
Accurate Diagnosis 4.3
Bedside Manner 4.4
Spends Time with Me 4.3
Follows Up After Visit 4.3

Specialties & Research

Dr. David Diaz, MD is board certified in Obstetrics & Gynecology.

  • He has special expertise in 5 areas:
  • Artificial Insemination
  • Assisted Reproductive Techniques
  • Hot Flashes
  • Infertility
  • Menopause

Education & Awards

Dr. Diaz graduated from Loyola University Chicago, Maywood. He has 3 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Compassionate Doctor Recognition (2013, 2015)
Top 10 Doctor - City (2014)
Fullerton, CA
Obstetrician & Gynecologist


Dr. Diaz has 5 hospital affiliations:

  • Fountain Valley Regional Hospital & Medical Center 
  • St. Joseph Hospital - Orange 


  • French
  • Vietnamese
  • Spanish

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Additional Information
Dr. David G Diaz MD is a male Obstetrician & Gynecologist, has 30 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. David G. Diaz practice?
Dr. David Diaz has 1 office location.
Dr. David Diaz practices Obstetrics & Gynecology near Fountain Valley, CA.
See Fountain Valley Obstetricians & Gynecologists.