Physician Profile
Unclaimed ProfileAbout CHUA
David C Chua, MD practices gastroenterology in Oakbrook Terrace, IL. Medicare claims data shows David provided 1,195 services to 858 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 889-9889
- Email not available
Practice Locations
1S280 SUMMIT AVE COURT A
Oakbrook Terrace, IL 60181
Procedures Most Often Billed to Medicare
1,195 services · 858 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
44 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
43 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
16 |
| Study of rectum sensitivity and function | Treatment | 91122 |
44 |
| Test for tone and sensation of rectum and anus | Treatment | 91120 |
44 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
735 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
166 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
53 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
36 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterology specialists in Oakbrook Terrace 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1980 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Chua's specialty?
Dr. Chua is a gastroenterology in Oakbrook Terrace, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Chua?
Dr. Chua is listed at 1S280 SUMMIT AVE COURT A, Oakbrook Terrace, IL 60181. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chua?
The number on file is (630) 889-9889. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chua?
Dr. Chua's National Provider Identifier is 1346241585. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Chua's medical education?
Dr. Chua attended Other, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chua have?
Dr. Chua has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chua known for?
According to Medicare billing data, Dr. Chua performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as study of rectum sensitivity and function and test for tone and sensation of rectum and anus, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chua's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chua. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.