Roger Chang, DO
NPI 1457937377 · Internal Medicine Physician · Lafayette, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Chang, DO is a Internal Medicine Physician provider in Lafayette, LA (NPI 1457937377).
Provider details
- NPI number
- 1457937377
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 27887304 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 55 | 18 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 51 | 16 |
| Atorvastatin Calcium | 50 | 16 |
| Amlodipine Besylate | 40 | 11 |
| Gabapentin | 34 | — |
| Carvedilol | 33 | — |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$476 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-22
- Last updated
- 2021-07-31
- Certified
- 2021-07-31
Frequently asked questions
- What is Roger Chang's NPI number?
- Roger Chang's National Provider Identifier (NPI) is 1457937377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Chang's specialty?
- Roger Chang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Chang located?
- Roger Chang's practice location on file with NPPES is 2390 W Congress St, Lafayette, LA 70506-4205.
- What is Roger Chang's phone number?
- The practice phone number listed in the NPPES registry for Roger Chang is (337) 261-6000.
- Does Roger Chang accept Medicare?
- Roger Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Chang's NPI active?
- Yes — Roger Chang's NPI (1457937377) is active in the NPPES registry as of the last update on 2021-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.