DR. FRANK B FUNG M.D.
NPI 1043431661
Family Medicine in Bloomingdale, IL
About Dr. Frank B Fung M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANK B FUNG M.D. (NPI 1043431661) is an individual family medicine provider in Bloomingdale, Illinois, licensed in Illinois (036096386) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Frank B Fung 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
2Medicare enrollment records show Frank Fung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Winfield, IL 60190
- Reassigned Medicare billing, Illinois enrollment
- 129 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 23
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.
Northwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60108 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.
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 Frank Fung's NPI number?
The NPI number for Frank Fung is 1043431661. It was assigned to this individual provider in the NPPES registry on May 1, 2007.
Where is Frank Fung located?
Frank Fung practices at 235 S Gary Avenue, Bloomingdale, IL 60108. The listed phone number is (630) 893-9600.
What is Frank Fung's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Frank Fung enrolled in Medicare?
Yes. Frank 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 Frank Fung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Fung reassigns Medicare benefits to 2 organizations: Central Dupage Hospital Association (Winfield, IL) and Northwestern Medical Faculty Foundation (Carol Stream, 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 Frank Fung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Frank Fung affiliated with any hospitals?
According to CMS data, Frank Fung is affiliated with Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Frank Fung was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.