Ronald Policastro, M.D.
NPI 1962671636 · Gastroenterology Physician · Fountain Valley, CA
Ronald Policastro, M.D. is a Gastroenterology Physician provider in Fountain Valley, CA (NPI 1962671636).
Provider details
- NPI number
- 1962671636
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G40687 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-26
- Last updated
- 2010-07-23
Frequently asked questions
- What is Ronald Policastro's NPI number?
- Ronald Policastro's National Provider Identifier (NPI) is 1962671636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Policastro's specialty?
- Ronald Policastro is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Policastro located?
- Ronald Policastro's practice location on file with NPPES is 18111 Brookhurst St, Fountain Valley, CA 92708-6728.
- What is Ronald Policastro's phone number?
- The practice phone number listed in the NPPES registry for Ronald Policastro is (714) 962-7705.
- Is Ronald Policastro's NPI active?
- Yes — Ronald Policastro's NPI (1962671636) is active in the NPPES registry as of the last update on 2010-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.