Ruth Elizabeth Chan
Case Manager/Care Coordinator · Ontario, CA
Ruth Elizabeth Chan is a case manager/care coordinator with a practice address in Ontario, California, and NPI 1184141517, issued on Aug 25, 2017. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ruth Elizabeth Chan
- Primary taxonomy
- Case Manager/Care Coordinator 171M00000X
- Practice location
- 1556 S. Sultana Ave, Ontario, CA 91761
- Phone
- (909) 418-6923
- Enumerated
- Aug 25, 2017
- Record last updated
- Jul 21, 2022
- Fax
- (909) 418-6937
- Medicare enrollment
- Enrolled (PECOS I20260515000441); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest case manager/care coordinator records → All 22,803 in California → Look up another NPI →
Also registered at 1556 S. Sultana Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rosalinda MonroyStudent in an Organized Health Care Education/Training Program1083048615
Verify Ruth Elizabeth Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ruth Elizabeth Chan among 22,803 case manager/care coordinator records in California
Ruth Elizabeth Chan is one of 22,803 case manager/care coordinator records with a practice address in California. under 1% 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 2017, is newer than 45% of them.
- NPI issued2017 · 45% of these records are older, 50% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Graduated2020 · median 2014 among the 21 with a school on file
- Record last updated2022 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 171M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 case manager/care coordinator records list a practice address in Ontario
They are 41 of the 5,375 NPPES records with a practice address in Ontario, and 22,803 case manager/care coordinator records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 22,803 in California → Every provider in Ontario → Case Manager/Care Coordinator nationwide →
The 8 case manager/care coordinator records with the nearest ZIP codes
- Danielle BauchmanOntario, CA 917611205346517
- Jessica CandelaOntario, CA 917611205354461
- Yvette CastroOntario, CA 917611952809584
- Melissa CruzOntario, CA 917611447763370
- Gabriela FloresOntario, CA 917611417430992
- Martha HayesOntario, CA 917611770038119
- Charisse Jones-BrunyOntario, CA 917611831231604
- Anita LopezOntario, CA 917611508343633
Common questions
What is Ruth Elizabeth Chan's NPI number?
Ruth Elizabeth Chan's National Provider Identifier (NPI) is 1184141517, issued on Aug 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Elizabeth Chan located?
The NPPES record lists a practice address at 1556 S. Sultana Ave, Ontario, CA, 91761. Phone: (909) 418-6923. Providers update this record themselves, so call before visiting.
How can I verify Ruth Elizabeth Chan's license?
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.