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Diraj R. Karnani, M. D.

NPI 1639516172ActiveIndividual· Internal Medicine, Rheumatology· Apple Valley, CA

Internal Medicine, Rheumatology (M. D.) in Apple Valley, California, licensed in CA, with an NPI issued in May 2013. Their prescriptions cost Medicare Part D more than their services did: $6,054,183 for 4,163 claims, against $2,267,224 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $629.50 in all, mostly food and beverage. Lists Bear Valley Community Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1639516172
StatusActive
Entity typeIndividual
CredentialM. D.
Sole proprietorNo
NPI issuedMay 23, 2013
Last updated in NPPESAug 6, 2026
Certified by providerAug 6, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500XA132960CA

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 (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients495
Services billed108,217 across 59 procedure codes
Paid by Medicare$2,267,224

Part D prescriptions in 2024

Prescriptions (claims)4,163 · 8,893 30-day fills
Patients658
Total drug cost$6,054,183
Generic share76% of claims

Medicare sources and data years

Education and affiliations

Graduation year2013
Medicare specialtyRheumatology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$629.50 · 34 payments from 13 companies
  • 2024$1,226 · 67 payments from 20 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$298.2718
Novartis Pharmaceuticals Corporation$67.694
Ucb, Inc.$39.461
Emd Serono, Inc.$36.012
Lundbeck LLC$32.851

What the 2025 payments were for

  • Food and Beverage$600.55 · 33 payments
  • Education$28.95 · 1 payment

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

Other rheumatologists in Apple Valley

All rheumatologists in California