TOM WANG MD
NPI 1922498641
Anesthesiology in Naperville, IL
About Tom Wang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOM WANG MD (NPI 1922498641) is an individual anesthesiology provider in Naperville, Illinois, licensed in Illinois (036.149057) and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and is a graduate of Northwestern University Feinberg Medical School (2015).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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
Tom Wang Md 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
2Medicare enrollment records show Tom Wang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Naperville, IL 60540
- Reassigned Medicare billing, Illinois enrollment
- 94 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 385 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 8
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Edward Hospital
Acute Care Hospitals · Naperville, ILOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NAPERVILLE, IL 60540
NAPERVILLE, IL 60540
NAPERVILLE, IL 60540
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 Tom Wang's NPI number?
The NPI number for Tom Wang is 1922498641. It was assigned to this individual provider in the NPPES registry on February 2, 2015.
Where is Tom Wang located?
Tom Wang practices at 801 S Washington St, Naperville, IL 60540. The listed phone number is (224) 723-9637.
What is Tom Wang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Tom Wang enrolled in Medicare?
Yes. Tom Wang 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 Tom Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tom Wang reassigns Medicare benefits to 2 organizations: Dupage Valley Anesthesiologists, Ltd. (Naperville, IL) and Midwest Anesthesia Partners, LLC (Chicago, 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 Tom Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tom Wang affiliated with any hospitals?
According to CMS data, Tom Wang is affiliated with Edward Hospital.
When was this NPI record last updated?
The NPPES record for Tom Wang was last updated on November 12, 2021. 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.