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Internist, Gastroenterologist (digestive)
38 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).

Learn more about Dr. Ronald Policastro:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Ronald Policastro is Excellent. Dr. Policastro has been reviewed by 9 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 3.9
Courteous Staff 4.4
Accurate Diagnosis 4.4
Bedside Manner 4.8
Spends Time with Me 4.4
Follows Up After Visit 4.4

Specialties & Research

Dr. Ronald Policastro, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Policastro graduated from Georgetown University, Washington. He has 2 awards.

Patients' Choice Award (2012 - 2013)
Compassionate Doctor Recognition (2011 - 2013)


Dr. Policastro has 6 hospital affiliations:

  • Los Alamitos Medical Center 
  • Hoag Memorial Hospital Presbyterian 


  • Spanish

> > > > Dr. Ronald Policastro, MD

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Additional Information
Dr. Ronald Joseph Policastro MD is a male Internist, has 38 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Ronald J. Policastro practice?
Dr. Ronald Policastro has 1 office location.
Dr. Ronald Policastro practices Internal Medicine and Gastroenterology near Fountain Valley, CA.
See Fountain Valley Internists and Fountain Valley Gastroenterologists.