Irene Bacus
Registered Nurse · Ontario, CA
Irene Bacus is a registered nurse with a practice address in Ontario, California, and NPI 1003012691, issued on Jun 21, 2007. Check the license (California 625372, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Irene Bacus
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- 625372 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3330 Centre Lake Dr, Ontario, CA 91761
- Phone
- (909) 974-4704
- Enumerated
- Jun 21, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 13,506 in California → Look up another NPI →
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Verify Irene Bacus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 625372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Irene Bacus among 13,506 registered nurse records in California
Irene Bacus is one of 13,506 registered nurse records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 3% of them.
- NPI issued2007 · 3% of these records are older, 89% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 registered nurse records list a practice address in Ontario
They are 30 of the 5,375 NPPES records with a practice address in Ontario, and 13,506 registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,506 in California → Every provider in Ontario → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Florifis AlmeroOntario, CA 917611902758535
- Priscilla Cabreza, FNPOntario, CA 917611497514251
- Georgina Floyd, DNP, RNOntario, CA 917611346916426
- Maria Teresa Genuino, RNOntario, CA 917611902058183
- Gynieka Harvey, RNOntario, CA 917611861371866
- Mengshan HuangOntario, CA 917611548984925
- Meena Kakar, NPOntario, CA 917611659976777
- Rosa LoyolaOntario, CA 917611568399350
Common questions
What is Irene Bacus's NPI number?
Irene Bacus's National Provider Identifier (NPI) is 1003012691, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Irene Bacus located?
The NPPES record lists a practice address at 3330 Centre Lake Dr, Ontario, CA, 91761. Phone: (909) 974-4704. Providers update this record themselves, so call before visiting.
How can I verify Irene Bacus's license?
NPPES lists California license number 625372, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.