Ali Ziaolhagh
NPI 1780997494ActiveIndividual· Internal Medicine, Nephrology· Houston, TX
Internal Medicine, Nephrology with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $107,137 for 468 claims, against $52,480 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 6 companies reporting payments in 2025, $329.39 in all, mostly food and beverage. Lists Memorial Hermann - Texas Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1780997494 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 22, 2010 |
| Last updated in NPPES | Jul 18, 2022 |
| Certified by provider | Jul 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | Q7620 | 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 - Internal Medicine (NM); Practitioner - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 230 |
|---|---|
| Services billed | 537 across 16 procedure codes |
| Paid by Medicare | $52,480 |
Part D prescriptions in 2024
| Prescriptions (claims) | 468 · 1,155 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $107,137 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
Industry payments (Open Payments)
- 2025$329.39 · 8 payments from 6 companies
- 2024$345.80 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $150.00 | 1 |
| Aurinia Pharma U.S., Inc. | $56.02 | 1 |
| Calliditas Therapeutics US Inc. | $46.93 | 2 |
| Travere Therapeutics, Inc. | $29.31 | 1 |
| Astrazeneca Pharmaceuticals LP | $28.65 | 2 |
What the 2025 payments were for
- Food and Beverage$329.39 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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