Andre S. Chen, MD
NPI 1902871221ActiveIndividual· Family Medicine, Addiction Medicine· Round Rock, TX
Family Medicine, Addiction Medicine (MD) in Round Rock, Texas, trained at University of Maryland School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $403,324 for 6,247 claims, against $216,037 paid for services in 2024. Abbott Laboratories was the largest of 6 companies reporting payments in 2025, $386.15 in all, mostly food and beverage.
Overview
| NPI | 1902871221 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2006 |
| Last updated in NPPES | Jan 6, 2021 |
| Certified by provider | Jan 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Addiction Medicine Primary | 207QA0401X | J4037 | TX |
| Family Medicine | 207Q00000X | J4037 | 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 - Addiction Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 228 |
|---|---|
| Services billed | 2,090 across 10 procedure codes |
| Paid by Medicare | $216,037 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,247 · 6,625 30-day fills |
|---|---|
| Patients | 731 |
| Total drug cost | $403,324 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Addiction Medicine |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Mark Malone MD PARound Rock, TX · 103 clinicians
Industry payments (Open Payments)
- 2025$386.15 · 8 payments from 6 companies
- 2024$1,166 · 21 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $168.22 | 2 |
| Tonix Medicines, Inc. | $84.05 | 1 |
| Ucb, Inc. | $56.47 | 2 |
| Janssen Biotech, Inc. | $26.69 | 1 |
| Ani Pharmaceuticals, Inc. | $25.63 | 1 |
What the 2025 payments were for
- Food and Beverage$386.15 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records