Roger Chang, DO
Internal Medicine Physician · Lafayette, LA
Roger Chang, DO is an internal medicine physician with a practice address in Lafayette, Louisiana, and NPI 1457937377, issued on Mar 22, 2021. Check the license on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Roger Chang
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 27887304 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2390 W Congress St, Lafayette, LA 70506
- Phone
- (337) 261-6000
- Enumerated
- Mar 22, 2021
- Record last updated
- Jul 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250708001193); accepts Medicare assignment
- Medical or professional school
- William Carey University College Of Osteopathic Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 2390 W Congress St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Roger Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average internal medicine physician in 2024
911 Medicare Part D claims for 116 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril55 claims
- Albuterol Sulfate Hfa51 claims
- Atorvastatin Calcium50 claims
- Amlodipine Besylate40 claims
- Gabapentin34 claims
- Carvedilol33 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: $475.53
23 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Lsuhn Billing LLCLafayette, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roger Chang among 1,749 internal medicine physician records in Louisiana
Roger Chang, DO is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 89% of them.
- NPI issued2021 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2021 · median 2008 among the 1,216 with a school on file
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 internal medicine physician records list a practice address in Lafayette
They are 107 of the 5,181 NPPES records with a practice address in Lafayette, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Lafayette → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Alvarez, M.D.Lafayette, LA 705061154345544
- Tina Benoit, MDLafayette, LA 705061740202480
- Bradley Blappert, M.D.Lafayette, LA 705061225247455
- Patricia Cran, M.D.Lafayette, LA 705061902943814
- Karen Curry, MDLafayette, LA 705061144241167
- Federico Del Toro, M.D.Lafayette, LA 705061932118445
- Ronald Jenkins, M.D.Lafayette, LA 705061053312074
- Jason Landry, M.D.Lafayette, LA 705061497972020
Common questions
What is Roger Chang, DO's NPI number?
Roger Chang, DO's National Provider Identifier (NPI) is 1457937377, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Roger Chang, DO located?
The NPPES record lists a practice address at 2390 W Congress St, Lafayette, LA, 70506. Phone: (337) 261-6000. Providers update this record themselves, so call before visiting.
How can I verify Roger Chang, DO's license?
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 Roger Chang, DO prescribe under Medicare Part D?
In 2024, Roger Chang, DO had 911 Medicare Part D claims for 116 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.