Haider Zafar, M.D.
Internal Medicine, Medical Oncology (M.D.) with Palo Verde Hematology Oncology Ltd, practicing in Phoenix, Arizona. Their prescriptions cost Medicare Part D more than their services did: $3,755,214 for 1,270 claims, against $1,133,044 paid for services in 2024. Pfizer Inc. was the largest of 34 companies reporting payments in 2025, $2,131 in all, mostly food and beverage. Lists Banner Estrella Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1770504698 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 23, 2006 |
| Last updated in NPPES | Oct 23, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 24284 | AZ |
| Specialist | 174400000X | 24284 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 384 |
|---|---|
| Services billed | 105,446 across 98 procedure codes |
| Paid by Medicare | $1,133,044 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,270 · 2,012 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $3,755,214 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Medical Oncology |
Medical group
- Palo Verde Hematology Oncology LtdPhoenix, AZ · 7 clinicians
Hospital affiliations
- Banner Estrella Medical CenterPhoenix, AZ
- Banner Thunderbird Medical CenterGlendale, AZ
Industry payments (Open Payments)
- 2025$2,131 · 88 payments from 34 companies
- 2024$2,213 · 89 payments from 36 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $277.30 | 12 |
| E.R. Squibb & Sons, L.L.C. | $208.42 | 9 |
| Novartis Pharmaceuticals Corporation | $159.47 | 6 |
| Daiichi Sankyo Inc. | $145.61 | 5 |
| Astrazeneca Pharmaceuticals LP | $126.27 | 5 |
What the 2025 payments were for
- Food and Beverage$2,079 · 86 payments
- Education$51.90 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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