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

Ronald J Policastro MD Inc

Organization Gastroenterology Physician · NPI 1538248547

Ronald J Policastro MD Inc provides Gastroenterology Physician services in Fountain Valley, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

18111 Brookhurst St Ste 5200
Fountain Valley, CA 92708-6728 Not confirmed with CMS for 16 years — call before visiting
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 number1538248547
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ronald Policastro — Gastroenterologist · (714) 962-7705
NPI enumeratedNovember 2, 2006
Last updated in NPPESJune 14, 2010
Mailing address18111 Brookhurst St, Suite 5200, Fountain Valley, CA 92708-6728

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