Skip to content

Mahfuz Oumer Yonis, M.D.

NPI 1164675898ActiveIndividual· Internal Medicine, Nephrology· Atlanta, GA

Internal Medicine, Nephrology (M.D.) in Atlanta, Georgia, trained at Howard University College of Medicine (class of 2011). 299 Medicare patients in 2024, $120,280 paid; nearly all of their 396 Part D prescriptions were generic (92%). Amgen Inc. was the largest of 4 companies reporting payments in 2025, $109.69 in all, mostly food and beverage.

Overview

NPI1164675898
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedOct 26, 2008
Last updated in NPPESFeb 12, 2026
Certified by providerFeb 12, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X94950GA
Internal Medicine207R00000X296661NY

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

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

Medicare services in 2024

Medicare patients299
Services billed1,347 across 17 procedure codes
Paid by Medicare$120,280

Part D prescriptions in 2024

Prescriptions (claims)396 · 811 30-day fills
Patients98
Total drug cost$22,363
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Medical schoolHoward University College of Medicine
Graduation year2011
Medicare specialtyNephrology

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$109.69 · 7 payments from 4 companies
  • 2024$26.87 · 6 payments from 1 company

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$104.71 · 4 payments
  • Education$4.98 · 3 payments

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

Other nephrologists in Atlanta

All 123 nephrologists in Atlanta · All nephrologists in Georgia