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Joseph Zhao, MD

NPI 1558545087ActiveIndividual· Internal Medicine, Nephrology· Chandler, AZ

Internal Medicine, Nephrology (MD) in Chandler, Arizona, trained at Morehouse School of Medicine (class of 2007). In 2024 Medicare paid $134,041 for 429 patients, and Part D covered 512 of their prescriptions, 80% of them generic. Amgen Inc. was the largest of 14 companies reporting payments in 2025, $1,694 in all, mostly food and beverage.

Overview

NPI1558545087
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedDec 19, 2007
Last updated in NPPESJun 4, 2026
Certified by providerJun 4, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X47257AZ

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Nephrology (AZ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients429
Services billed1,419 across 29 procedure codes
Paid by Medicare$134,041

Part D prescriptions in 2024

Prescriptions (claims)512 · 1,064 30-day fills
Patients116
Total drug cost$93,832
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMorehouse School of Medicine
Graduation year2007
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,694 · 69 payments from 14 companies
  • 2024$1,494 · 58 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,472 · 59 payments
  • Education$221.69 · 10 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine, Nephrology providers in Chandler

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