Chelsea Marie Duffy, MD, FAAP
NPI 1801383823ActiveIndividual· Pediatrics· Richardson, TX
Pediatrics (MD, FAAP) in Richardson, Texas, trained at University of Texas Medical School at San Antonio (class of 2018). Enrolled in Medicare as practitioner - pediatric medicine. Sanofi-Aventis U.S. LLC was the largest of 5 companies reporting payments in 2025, $171.91 in all, mostly food and beverage.
Overview
| NPI | 1801383823 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, FAAP |
| Sole proprietor | No |
| NPI issued | Apr 16, 2018 |
| Last updated in NPPES | Feb 23, 2022 |
| Certified by provider | Feb 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | T1686 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pediatric Medicine (TX) |
|---|
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Pediatric Medicine |
Industry payments (Open Payments)
- 2025$171.91 · 9 payments from 5 companies
- 2024$75.15 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $48.60 | 2 |
| Cranial Technologies, Inc | $48.05 | 3 |
| Glaxosmithkline, LLC. | $28.38 | 2 |
| Sanofi Pasteur Inc. | $24.04 | 1 |
| Phadia US Inc. | $22.84 | 1 |
What the 2025 payments were for
- Food and Beverage$171.91 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 pediatricians in Richardson · All pediatricians in Texas