Douglas Tswun-Wah Chang, DDS
Dentist · Lisle, IL
Douglas Tswun-Wah Chang, DDS is a dentist with a practice address in Lisle, Illinois, and NPI 1659456002, issued on Oct 26, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Douglas Tswun-Wah Chang
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- Practice location
- 6070 Route 53, Lisle, IL 60532
- Phone
- (630) 963-4306
- Enumerated
- Oct 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (630) 963-9344
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Also registered at 6070 Route 53
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Chang, DDSDentist1174606487
- Vicki Johnson, DDSGeneral Practice Dentistry1558446799
Verify Douglas Tswun-Wah Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average dentist in 2024
42 Medicare Part D claims for 25 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $110.50
5 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Douglas Tswun-Wah Chang among 4,522 dentist records in Illinois
Douglas Tswun-Wah Chang, DDS is one of 4,522 dentist records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 81% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 dentist records list a practice address in Lisle
They are 12 of the 610 NPPES records with a practice address in Lisle, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Lisle → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Pallavi Agarwal, DDSLisle, IL 605321821336322
- James Bergschneider, D.D.S.Lisle, IL 605321972749844
- Loraine Blanco, DMDLisle, IL 605321467386607
- Jennifer Brammeier, D.D.SLisle, IL 605321619176393
- Daniela BrzozowskiLisle, IL 605321013148675
- Barbara Chang, DDSLisle, IL 605321174606487
- Michael GondaLisle, IL 605321417124686
- Neha Kapila, D.D.SLisle, IL 605321952640849
Common questions
What is Douglas Tswun-Wah Chang, DDS's NPI number?
Douglas Tswun-Wah Chang, DDS's National Provider Identifier (NPI) is 1659456002, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Tswun-Wah Chang, DDS located?
The NPPES record lists a practice address at 6070 Route 53, Lisle, IL, 60532. Phone: (630) 963-4306. Providers update this record themselves, so call before visiting.
How can I verify Douglas Tswun-Wah Chang, DDS's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Douglas Tswun-Wah Chang, DDS prescribe under Medicare Part D?
In 2024, Douglas Tswun-Wah Chang, DDS had 42 Medicare Part D claims for 25 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.