ETHAN UNGCHUSRI
NPI 1437656683
Radiology - Vascular & Interventional Radiology in Chicago, IL
About Ethan Ungchusri NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ETHAN UNGCHUSRI (NPI 1437656683) is an individual vascular & interventional radiology provider in Chicago, Illinois, licensed in Illinois (036171306) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains 8 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 8
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
Ethan Ungchusri 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 Ethan Ungchusri reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois and Indiana enrollments
- Also billed through NPI 1477262046 (Illinois)
- 2,237 clinicians in this Medicare group
Munster, IN 46321
- Reassigned Medicare billing, Indiana enrollment
- 3 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 17
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILFranciscan Health Olympia & Chicago Heights
Acute Care Hospitals · Olympia Fields, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHICAGO, IL 60637
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 Ethan Ungchusri's NPI number?
The NPI number for Ethan Ungchusri is 1437656683. It was assigned to this individual provider in the NPPES registry on April 12, 2018.
Where is Ethan Ungchusri located?
Ethan Ungchusri practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-3550.
What is Ethan Ungchusri's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Ethan Ungchusri enrolled in Medicare?
Yes. Ethan Ungchusri 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 Ethan Ungchusri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ethan Ungchusri reassigns Medicare benefits to 3 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL) and Joint And Vascular Institute Indiana LLC (Munster, IN). 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 Ethan Ungchusri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ethan Ungchusri affiliated with any hospitals?
According to CMS data, Ethan Ungchusri is affiliated with The University Of Chicago Medical Center and Franciscan Health Olympia & Chicago Heights.
When was this NPI record last updated?
The NPPES record for Ethan Ungchusri was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.