Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ronald J Policastro, MD

Individual provider Gastroenterology Physician · NPI 1962671636

Dr. Ronald J Policastro, MD is a Gastroenterology Physician in Fountain Valley, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

18111 Brookhurst St Ste 5200
Fountain Valley, CA 92708-6728
Phone: (714) 962-7705
Fax: (714) 962-7701
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G40687 (CA)

Record details

NPI number1962671636
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 26, 2008
Last updated in NPPESJuly 23, 2010

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