Alexander Liang, M.D.
NPI 1720059850ActiveIndividual· Internal Medicine, Nephrology· Irving, TX
Internal Medicine, Nephrology (M.D.) in Irving, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $48,462 for 391 claims, against $26,215 paid for services in 2024. Fresenius USA Marketing, Inc. was the largest of 8 companies reporting payments in 2025, $4,754 in all, mostly consulting fees.
Overview
| NPI | 1720059850 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 27, 2006 |
| Last updated in NPPES | Jan 5, 2024 |
| Certified by provider | Jan 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | K7799 | 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 - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 3,544 across 21 procedure codes |
| Paid by Medicare | $26,215 |
Part D prescriptions in 2024
| Prescriptions (claims) | 391 · 929 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $48,462 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Dallas Nephrology AssociatesIrving, TX · 157 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$4,754 · 16 payments from 8 companies
- 2024$98.34 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $3,757 | 6 |
| Astrazeneca Pharmaceuticals LP | $571.68 | 1 |
| Akebia Therapeutics Inc | $122.57 | 1 |
| Travere Therapeutics, Inc. | $116.83 | 2 |
| Novartis Pharmaceuticals Corporation | $66.87 | 2 |
What the 2025 payments were for
- Consulting Fee$2,400 · 1 payment
- Food and Beverage$948.66 · 10 payments
- Travel and Lodging$812.60 · 3 payments
- Grant$571.68 · 1 payment
- Education$21.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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