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Kanagaratnam Sivalingam, M.D.

NPI 1578578365ActiveIndividual· Internal Medicine, Geriatric Medicine· Lancaster, CA

Internal Medicine, Geriatric Medicine (M.D.) with Sivalingam Medical Corporation, Inc., practicing in Lancaster, California. In 2024 Medicare paid $1,047,482 for 1,534 patients, and Part D covered 3,400 of their prescriptions, 83% of them generic. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 9 companies reporting payments in 2025, $351.76 in all, mostly food and beverage. Lists Antelope Valley Hospital as a hospital affiliation.

Overview

NPI1578578365
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJul 30, 2006
Last updated in NPPESDec 18, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Geriatric Medicine Primary207RG0300XA30091CA
Specialist174400000XA30091CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,534
Services billed14,848 across 65 procedure codes
Paid by Medicare$1,047,482

Part D prescriptions in 2024

Prescriptions (claims)3,400 · 6,552 30-day fills
Patients370
Total drug cost$501,845
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Graduation year1967
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$351.76 · 16 payments from 9 companies
  • 2024$562.00 · 27 payments from 13 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$351.76 · 16 payments

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

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