Skip to content

Haider Zafar, M.D.

NPI 1770504698ActiveIndividual· Internal Medicine, Medical Oncology· Phoenix, AZ

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

NPI1770504698
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 23, 2006
Last updated in NPPESOct 23, 2017

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Medical Oncology Primary207RX0202X24284AZ
Specialist174400000X24284AZ

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Medical Oncology (AZ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients384
Services billed105,446 across 98 procedure codes
Paid by Medicare$1,133,044

Part D prescriptions in 2024

Prescriptions (claims)1,270 · 2,012 30-day fills
Patients237
Total drug cost$3,755,214
Generic share60% of claims

Medicare sources and data years

Education and affiliations

Graduation year1988
Medicare specialtyMedical Oncology

Medical group

Hospital affiliations

Source: CMS Care Compare

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

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

Other Internal Medicine, Medical Oncology providers in Phoenix

All Internal Medicine, Medical Oncology providers in Arizona →