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Karthik R. Krishnan, MD

NPI 1306956586ActiveIndividual· Allergy & Immunology· Maryville, TN

Allergy & Immunology (MD) in Maryville, Tennessee, trained at Medical College of Georgia School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $2,044,873 for 3,124 claims, against $964,965 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 21 companies reporting payments in 2025, $2,589 in all, mostly food and beverage.

Overview

NPI1306956586
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 30, 2006
Last updated in NPPESJan 8, 2026
Certified by providerJan 8, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Allergy & Immunology Primary207K00000XMD46000TN
Pediatrics208000000X053320GA
Specialist174400000X46000TN

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Allergy/Immunology (GA); Practitioner - Allergy/Immunology (TN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,163
Services billed69,763 across 43 procedure codes
Paid by Medicare$964,965

Part D prescriptions in 2024

Prescriptions (claims)3,124 · 4,992 30-day fills
Patients735
Total drug cost$2,044,873
Generic share73% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMedical College of Georgia School of Medicine
Graduation year2000
Medicare specialtyAllergy/Immunology
Secondary specialtiesPediatric Medicine

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,589 · 133 payments from 21 companies
  • 2024$1,379 · 70 payments from 11 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$2,530 · 131 payments
  • Education$34.00 · 1 payment
  • Consulting Fee$25.31 · 1 payment

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

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