DR. DAVID C CHUA MD
NPI 1346241585
Internal Medicine - Gastroenterology in Oakbrook Terrace, IL
About Dr. David C Chua Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID C CHUA MD (NPI 1346241585) is an individual gastroenterology provider in Oakbrook Terrace, Illinois, licensed in Illinois (036069933) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Presence Saints Mary And Elizabeth Medical Center, and is a graduate of Other (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Dr. David C Chua 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 David Chua reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakbrook Terrace, IL 60181
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: David C Chua Mdsc Ltd
- 6 clinicians in this Medicare group
Chicago, IL 60622
- Reassigned Medicare billing, Illinois enrollment
- 154 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 10
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.
Presence Saints Mary And Elizabeth Medical Center
Acute Care Hospitals · Chicago, ILHumboldt Park Health
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60181 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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKBROOK TERRACE, IL 60181
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 David Chua's NPI number?
The NPI number for David Chua is 1346241585. It was assigned to this individual provider in the NPPES registry on August 10, 2005.
Where is David Chua located?
David Chua practices at 1s280 Summit Ave Court A, Oakbrook Terrace, IL 60181. The listed phone number is (630) 889-9889.
What is David Chua's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is David Chua enrolled in Medicare?
Yes. David Chua 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 David Chua's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Chua reassigns Medicare benefits to 2 organizations: David C Chua, MD Sc Ltd (Oakbrook Terrace, IL) and Humboldt Park Health (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 David Chua's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Chua accept?
Health plans from Ambetter Health list David Chua 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 David Chua affiliated with any hospitals?
According to CMS data, David Chua is affiliated with Presence Saints Mary And Elizabeth Medical Center and Humboldt Park Health.
When was this NPI record last updated?
The NPPES record for David Chua was last updated on October 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. David C Chua, MD · NPI 1346241585
Gastroenterology physician in Oakbrook Terrace, Illinois. Individual provider, active in the CMS NPPES registry since August 10, 2005.
## Identity
- **NPI:** 1346241585 (Entity type: Individual)
- **Enumerated:** August 10, 2005
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 036069933 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1S280 SUMMIT AVE, COURT A, Oakbrook Terrace, IL 60181-3984
- **Phone:** (630) 889-9889 · **Fax:** (630) 889-8977
## 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): David C Chua, MD Sc Ltd (NPI 1225210214, Oakbrook Terrace, IL); Humboldt Park Health (NPI 1740417153, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1980
## Record status
- **NPPES last updated:** October 24, 2011
- **Other identifiers:** Medicare PIN L62550 (IL); Medicare ID-Type Unspecified 405701 (IL); Medicaid 036069933 (IL); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1346241585) · Data from the CMS NPPES public registry.