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RUTH ELIZABETH CHAN
NPI 1184141517
Case Manager/Care Coordinator in Ontario, CA

Active since August 25, 2017PECOS Enrolled
1556 S. SULTANA AVE, ONTARIO, CA 91761(909) 418-6923(909) 418-6937 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Aug 25, 2017 (2 updates tracked since 2017).

About Ruth Elizabeth Chan NPPES

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

RUTH ELIZABETH CHAN (NPI 1184141517) is an individual case manager/care coordinator provider in Ontario, California and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1184141517
Entity TypeIndividualFemale
Primary Taxonomy171M00000X
Provider Legal NameRUTH ELIZABETH CHAN
Location Address1556 S. SULTANA AVEOntario, CA 91761
Mailing Address1556 S Sultana AveOntario, CA 91761-4238 · (909) 418-6923 · Fax (909) 418-6937
Phone(909) 418-6923
Fax(909) 418-6937
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateAugust 25, 2017
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1184141517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCase Manager/Care CoordinatorOther Service Providers
Taxonomy Code171M00000X
Definition
A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.
1556 S. SULTANA AVE, Ontario, CA 91761
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Regence BlueCross BlueShield of Oregon.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ruth Elizabeth Chan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5597234948
PECOS Enrollment IDI20260515000441
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ruth Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Health & Services Oregon
883 mi
Rural Health
171 N LARCH ST STE 16
Cannon Beach, OR 97110
  • Reassigned Medicare billing, Oregon enrollment
  • 301 clinicians in this Medicare group
NPI 1841756764 (503) 717-7400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

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

MISS ROSALINDA MONROY
Student in an Organized Health Care Education/Training Program
1556 S. SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923

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 Ruth Chan's NPI number?

The NPI number for Ruth Chan is 1184141517. It was assigned to this individual provider in the NPPES registry on August 25, 2017.

Where is Ruth Chan located?

Ruth Chan practices at 1556 S. Sultana Ave, Ontario, CA 91761. The listed phone number is (909) 418-6923.

What is Ruth Chan's specialty?

The primary specialty registered for this NPI is Case Manager/Care Coordinator with taxonomy code 171M00000X.

Is Ruth Chan enrolled in Medicare?

Yes. Ruth Chan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ruth Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Chan reassigns Medicare benefits to Providence Health & Services Oregon (Cannon Beach, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ruth Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ruth Chan accept?

Health plans from BridgeSpan Health Company and Regence BlueCross BlueShield of Oregon list Ruth Chan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ruth Chan was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.