EWEN WONG NP
NPI 1285478669
Nurse Practitioner - Acute Care in Pasadena, CA

Active since June 21, 2024PECOS EnrolledAccepts Medicare Assignment
3855 ARBOLEDA ST, PASADENA, CA 91107(480) 234-5199 Get Directions Write a Review

NPPES record last updated: June 21, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ewen Wong Np NPPES

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

EWEN WONG NP (NPI 1285478669) is an individual acute care provider in Pasadena, California, licensed in California (95030504) and active in the NPI registry since June 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1285478669
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameEWEN WONGCredential: NP
Location Address3855 ARBOLEDA STPasadena, CA 91107-2251
Mailing Address3855 Arboleda StPasadena, CA 91107-2251 · (480) 234-5199
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateJune 21, 2024
NPPES CertifiedJune 21, 2024
✔ NPI 1285478669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CA · 95030504
3855 ARBOLEDA ST, Pasadena, CA 91107

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ewen Wong Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658850292
PECOS Enrollment IDI20260204002655
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 Ewen Wong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hematology & Oncology
11525 BROOKSHIRE AVE STE 202
Downey, CA 90241
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: The Oncology Institute Ca, A Professional Corporation
  • 110 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Ewen Wong's NPI number?

The NPI number for Ewen Wong is 1285478669. It was assigned to this individual provider in the NPPES registry on June 21, 2024.

Where is Ewen Wong located?

Ewen Wong practices at 3855 Arboleda St, Pasadena, CA 91107. The listed phone number is (480) 234-5199.

What is Ewen Wong's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Ewen Wong enrolled in Medicare?

Yes. Ewen Wong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ewen Wong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ewen Wong reassigns Medicare benefits to Starling Oncology Ca, A Professional Corporation (Downey, CA). 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 Ewen Wong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ewen Wong accept?

Health plans from UnitedHealthcare list Ewen Wong 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 Ewen Wong was last updated on June 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.