JOHN FUNG
NPI 1235293622
Transplant Surgery in Chicago, IL
About John Fung NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN FUNG (NPI 1235293622) is an individual transplant surgery provider in Chicago, Illinois, licensed in Illinois (036141746) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
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
John Fung 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 John Fung reassigns Medicare billing to 2 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 enrollment
- 2,237 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.
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.
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 John Fung's NPI number?
The NPI number for John Fung is 1235293622. It was assigned to this individual provider in the NPPES registry on December 20, 2006.
Where is John Fung located?
John Fung practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (888) 824-0200.
What is John Fung's specialty?
The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.
Is John Fung enrolled in Medicare?
Yes. John Fung 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 John Fung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Fung reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (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 John Fung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Fung accept?
Health plans from Oscar Health list John Fung 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 John Fung was last updated on October 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# John Fung · NPI 1235293622
Transplant Surgery physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since December 20, 2006.
## Identity
- **NPI:** 1235293622 (Entity type: Individual)
- **Enumerated:** December 20, 2006
- **Primary specialty:** Transplant Surgery · taxonomy 204F00000X
- **State license:** 036141746 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE, Chicago, IL 60637-1443
- **Phone:** (888) 824-0200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** October 24, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1235293622) · Data from the CMS NPPES public registry.