DR. JACK S. WU M.D.
NPI 1154548089
Emergency Medicine in Arlington Heights, IL
About Dr. Jack S. Wu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACK S. WU M.D. (NPI 1154548089) is an individual emergency medicine provider in Arlington Heights, Illinois, licensed in Illinois (036-114930) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Hospital - Elgin, and is a graduate of Vanderbilt University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Jack S. Wu M.d. 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.
Medicare Billing Reassignments
3Medicare enrollment records show Jack Wu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington Heights, IL 60005
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Cepamerica Illinois LLP
- 982 clinicians in this Medicare group
Belvidere, IL 61008
- Reassigned Medicare billing, Illinois enrollment
- 90 clinicians in this Medicare group
Rockford, IL 61104
- Reassigned Medicare billing, Illinois enrollment
- 106 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Joseph Hospital - Elgin
Acute Care Hospitals · Elgin, ILUw Health
Acute Care Hospitals · Rockford, ILSaint Anthony Medical Center
Acute Care Hospitals · Rockford, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
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 Jack Wu's NPI number?
The NPI number for Jack Wu is 1154548089. It was assigned to this individual provider in the NPPES registry on April 20, 2007.
Where is Jack Wu located?
Jack Wu practices at 800 W Central Rd Department Of Emergency Medicine, Arlington Heights, IL 60005. The listed phone number is (847) 618-3040.
What is Jack Wu's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jack Wu enrolled in Medicare?
Yes. Jack Wu 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 organizations bill Medicare for Jack Wu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jack Wu reassigns Medicare benefits to 3 organizations: Cep America Illinois LLP (Arlington Heights, IL), Belvidere Emergency Physicians, LLC (Belvidere, IL) and Rockford Emergency Physicians, LLC (Rockford, IL). Each 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 Jack Wu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jack Wu affiliated with any hospitals?
According to CMS data, Jack Wu is affiliated with Presence Saint Joseph Hospital - Elgin, Uw Health and Saint Anthony Medical Center.
When was this NPI record last updated?
The NPPES record for Jack Wu was last updated on July 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.