Ziyang Liu, MD
NPI 1477972776ActiveIndividual· Internal Medicine, Hematology & Oncology· Avondale, AZ
Internal Medicine, Hematology & Oncology (MD) in Avondale, Arizona, trained at Jc Edwards School of Medicine, Marshall University (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $2,541,956 for 1,102 claims, against $1,206,756 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 41 companies reporting payments in 2025, $3,611 in all, mostly food and beverage.
Overview
| NPI | 1477972776 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 15, 2014 |
| Last updated in NPPES | Nov 16, 2022 |
| Certified by provider | Sep 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 61005 | AZ |
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 - Medical Oncology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 315 |
|---|---|
| Services billed | 68,266 across 89 procedure codes |
| Paid by Medicare | $1,206,756 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,102 · 1,667 30-day fills |
|---|---|
| Patients | 206 |
| Total drug cost | $2,541,956 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Jc Edwards School of Medicine, Marshall University |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Ironwood Physicians PCChandler, AZ · 116 clinicians
Hospital affiliations
- Abrazo West CampusGoodyear, AZ
- Banner Estrella Medical CenterPhoenix, AZ
- Banner Thunderbird Medical CenterGlendale, AZ
Industry payments (Open Payments)
- 2025$3,611 · 179 payments from 41 companies
- 2024$4,114 · 193 payments from 45 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $370.84 | 22 |
| Janssen Biotech, Inc. | $283.04 | 14 |
| Daiichi Sankyo Inc. | $263.06 | 10 |
| Novartis Pharmaceuticals Corporation | $246.52 | 15 |
| Astellas Pharma US Inc | $235.27 | 4 |
What the 2025 payments were for
- Food and Beverage$3,402 · 176 payments
- Education$208.59 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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