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Ronald P. Lang, M.D.

NPI 1639230550ActiveIndividual· Internal Medicine, Nephrology· West Hollywood, CA

Internal Medicine, Nephrology (M.D.) in West Hollywood, California, trained at Ohio State University College of Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $879,169 for 10,358 claims, against $500,926 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 7 companies reporting payments in 2025, $322.88 in all, mostly food and beverage.

Overview

NPI1639230550
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedDec 13, 2006
Last updated in NPPESMay 13, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XG42331CA

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 (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients403
Services billed15,391 across 118 procedure codes
Paid by Medicare$500,926

Part D prescriptions in 2024

Prescriptions (claims)10,358 · 11,920 30-day fills
Patients242
Total drug cost$879,169
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolOhio State University College of Medicine
Graduation year1977
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$322.88 · 13 payments from 7 companies
  • 2024$183.46 · 7 payments from 6 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$322.88 · 13 payments

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

Other Internal Medicine, Nephrology providers in West Hollywood

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