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Walter Lawrence Chmelewski, M.D.

NPI 1275503807ActiveIndividual· Specialist· Raleigh, NC

Specialist (M.D.) in Raleigh, North Carolina, trained at University of Pittsburgh School of Medicine (class of 1986). 570 Medicare patients in 2024, $1,366,736 paid; nearly all of their 4,970 Part D prescriptions were generic (93%). Amgen Inc. was the largest of 17 companies reporting payments in 2025, $1,082 in all, mostly food and beverage.

Overview

NPI1275503807
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 25, 2006
Last updated in NPPESAug 21, 2026
Certified by providerAug 21, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Specialist Primary174400000X31789NC

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 - Rheumatology (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients570
Services billed91,202 across 76 procedure codes
Paid by Medicare$1,366,736

Part D prescriptions in 2024

Prescriptions (claims)4,970 · 8,817 30-day fills
Patients598
Total drug cost$1,817,412
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Pittsburgh School of Medicine
Graduation year1986
Medicare specialtyRheumatology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,082 · 53 payments from 17 companies
  • 2024$538.65 · 25 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,082 · 53 payments

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

Other Specialist providers in Raleigh

All 144 Specialist providers in Raleigh · All Specialist providers in North Carolina