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DR. RONALD J POLICASTRO M.D.
NPI 1962671636
Internal Medicine - Gastroenterology in Fountain Valley, CA

Active since February 26, 2008
18111 BROOKHURST ST, STE 5200, FOUNTAIN VALLEY, CA 92708(714) 962-7705(714) 962-7701 Get Directions Write a Review

NPPES record last updated: July 23, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ronald J Policastro M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD J POLICASTRO M.D. (NPI 1962671636) is an individual gastroenterology provider in Fountain Valley, California, licensed in California (G40687) and active in the NPI registry since February 2008.

NPPES Registry Identity

NPI1962671636
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. RONALD J POLICASTROCredential: M.D.
Location Address18111 BROOKHURST ST, STE 5200Fountain Valley, CA 92708-6728
Mailing Address18111 Brookhurst St, Ste 5200Fountain Valley, CA 92708-6728 · (714) 962-7705 · Fax (714) 962-7701
Phone(714) 962-7705
Fax(714) 962-7701
Sole ProprietorNo
Enumeration DateFebruary 26, 2008
Last NPPES UpdateJuly 23, 2010
✔ NPI 1962671636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · G40687
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
18111 BROOKHURST ST, Fountain Valley, CA 92708
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Other Identifiers 3

Medicare UPINA48315CA
Medicare PINWG40687ACA
Medicaid00G406870CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ORANGE COAST RADIATION ONCOLOGY MEDICAL GROUP
Radiology (Radiation Oncology)
18111 BROOKHURST ST
FOUNTAIN VALLEY, CA 92708
Orange County (562) 492-6695
NEURORESCUE, A PROFESSIONAL MEDICAL
Neurological Surgery
18111 BROOKHURST ST, 5800
FOUNTAIN VALLEY, CA 92708
Orange County (714) 443-0011
DR. TIMOTHY FRANKLIN HORTTOR NP
Nurse Practitioner (Acute Care)
18111 BROOKHURST ST
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7000
JULIE JOOHYUN OH MD
Internal Medicine
18111 BROOKHURST ST
FOUNTAIN VALLEY, CA 92708
Orange County (714) 717-4415
TIFFANY CRYSTLE CARAGAN NURSE PRACTITIONER
Nurse Practitioner (Family)
18111 BROOKHURST ST, SUITE 6100
FOUNTAIN VALLEY, CA 92708
Orange County (714) 698-0300
ANDREA S NACCA PA
Physician Assistant
18111 BROOKHURST ST
FOUNTAIN VALLEY, CA 92708
Orange County (559) 624-6095
GABRIELA NAKANO
Nurse Practitioner (Acute Care)
18111 BROOKHURST ST
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7000
LEPORT SURGICAL MEDICAL CORPORATION
Specialist
18111 BROOKHURST ST, SUITE 5600
FOUNTAIN VALLEY, CA 92708
Orange County (714) 861-4666

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Policastro's NPI number?

The NPI number for Ronald Policastro is 1962671636. It was assigned to this individual provider in the NPPES registry on February 26, 2008.

Where is Ronald Policastro located?

Ronald Policastro practices at 18111 Brookhurst St Ste 5200, Fountain Valley, CA 92708. The listed phone number is (714) 962-7705.

What is Ronald Policastro's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Ronald Policastro was last updated on July 23, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.