YIJUNG YANG MD
NPI 1700440492
Emergency Medicine in Chicago, IL
About Yijung Yang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YIJUNG YANG MD (NPI 1700440492) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036157552) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Presence St Marys Hospital, and is a graduate of University Of Michigan Medical School (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Yijung Yang 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
3Medicare enrollment records show Yijung Yang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60631
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Chicago, IL 60634
- Reassigned Medicare billing, Illinois enrollment
- 174 clinicians in this Medicare group
East Chicago, IN 46312
- Reassigned Medicare billing, Indiana enrollment
- 598 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 4
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 St Marys Hospital
Acute Care Hospitals · Kankakee, ILPresence Saints Mary And Elizabeth Medical Center
Acute Care Hospitals · Chicago, ILCommunity First Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60631 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 60631
CHICAGO, IL 60631
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 Yijung Yang's NPI number?
The NPI number for Yijung Yang is 1700440492. It was assigned to this individual provider in the NPPES registry on April 28, 2019. The provider is also known as Yijung Russell.
Where is Yijung Yang located?
Yijung Yang practices at 7435 W Talcott Ave, Chicago, IL 60631. The listed phone number is (773) 782-7821.
What is Yijung Yang's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Yijung Yang enrolled in Medicare?
Yes. Yijung Yang 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 Yijung Yang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yijung Yang reassigns Medicare benefits to 3 organizations: Cepamerica Illinois LLP (Chicago, IL), Community First Healthcare Of Illinois, Inc. (Chicago, IL) and Cep America LLC (East Chicago, 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 Yijung Yang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yijung Yang accept?
Health plans from Oscar Health list Yijung Yang 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.
Is Yijung Yang affiliated with any hospitals?
According to CMS data, Yijung Yang is affiliated with Presence St Marys Hospital, Presence Saints Mary And Elizabeth Medical Center and Community First Medical Center.
When was this NPI record last updated?
The NPPES record for Yijung Yang was last updated on August 4, 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.