David Shi-Wei Chang, M.D. M.S.
Radiation Oncology Physician · Lake Charles, LA
David Shi-Wei Chang, M.D. M.S. is a radiation oncology physician with a practice address in Lake Charles, Louisiana, and NPI 1609037837, issued on Jun 20, 2008. Check the license (Louisiana MD.206380, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Shi-Wei Chang
- Credential
- M.D. M.S.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD.206380 LA
Self-reported in NPPES; status is on the state search - Practice location
- 524 Dr Michael Debakey Dr, Lake Charles, LA 70601
- Phone
- (337) 491-7569
- Enumerated
- Jun 20, 2008
- Record last updated
- Mar 26, 2024
- Fax
- (337) 491-7798
- Medicare enrollment
- Enrolled (PECOS I20131126000353); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 66 in Louisiana → Look up another NPI →
Also registered at 524 Dr Michael Debakey Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kunwardeep Singh AroraInternal Medicine Physician1033854112
- Megan Bercier, LOTROccupational Therapist1003535436
- Brandi Bolden, RNRegistered Nurse1528779626
- Kody Daigle, NPFamily Nurse Practitioner1144958232
- Mary Disante, RNAdministrator Registered Nurse1548732332
- Dylan Duplantis, RNFARegistered Nurse First Assistant1205649266
Verify David Shi-Wei Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.206380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average radiation oncology physician in 2024
342 Medicare Part D claims for 82 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 69 claims were for opioids.
Most prescribed
- Tamsulosin Hcl59 claims
- Levothyroxine Sodium32 claims
- Hydrocodone-Acetaminophen29 claims
- Oxybutynin Chloride28 claims
- Oxycodone-Acetaminophen16 claims
- Fentanyl15 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: $134.35
2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,275 providers of this specialty with any payment received $1,897.85 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.
Bills Medicare through one group practice
- Ochsner Clinic LLCRaceland, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Shi-Wei Chang among 66 radiation oncology physician records in Louisiana
David Shi-Wei Chang, M.D. M.S. is one of 66 radiation oncology physician records with a practice address in Louisiana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2008 · median 2008 among the 49 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Louisiana
There are 66 radiation oncology physician records in Louisiana.
All 66 in Louisiana → Every provider in Lake Charles → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- James Maze, MDLake Charles, LA 706011114059821
- John Anderson, MDLafayette, LA 705081124288956
- Bahman Daneshfar, M.D.Lafayette, LA 705081134189566
- Andrew Harwood, M.D.Lafayette, LA 705081407877350
- Julian Krawczyk, M.D.Lafayette, LA 705081063433928
- Perri Prellop, M.D.Lafayette, LA 705081508808981
- James Russo, M.D.Lafayette, LA 705081376700591
- Jonathan Thompson, MDLafayette, LA 705081588956593
Common questions
What is David Shi-Wei Chang, M.D. M.S.'s NPI number?
David Shi-Wei Chang, M.D. M.S.'s National Provider Identifier (NPI) is 1609037837, issued on Jun 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is David Shi-Wei Chang, M.D. M.S. located?
The NPPES record lists a practice address at 524 Dr Michael Debakey Dr, Lake Charles, LA, 70601. Phone: (337) 491-7569. Providers update this record themselves, so call before visiting.
How can I verify David Shi-Wei Chang, M.D. M.S.'s license?
NPPES lists Louisiana license number MD.206380, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Shi-Wei Chang, M.D. M.S. prescribe under Medicare Part D?
In 2024, David Shi-Wei Chang, M.D. M.S. had 342 Medicare Part D claims for 82 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.