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John Nicholas Alcorn, MD

NPI 1912536004ActiveIndividual· Internal Medicine· Lexington, KY

Internal Medicine (MD) in Lexington, Kentucky, trained at University of Kentucky College of Medicine (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $100,699 for 954 claims, against $17,814 paid for services in 2024. Pfizer Inc. was the largest of 17 companies reporting payments in 2025, $1,149 in all, mostly food and beverage.

Overview

NPI1912536004
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 2, 2020
Last updated in NPPESAug 21, 2023
Certified by providerAug 21, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X58249KY

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 (KY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients65
Services billed303 across 33 procedure codes
Paid by Medicare$17,814

Part D prescriptions in 2024

Prescriptions (claims)954 · 1,605 30-day fills
Patients153
Total drug cost$100,699
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Kentucky College of Medicine
Graduation year2020
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,149 · 68 payments from 17 companies
  • 2024$887.29 · 53 payments from 20 companies

Top paying companies in 2025

CompanyAmountPayments
Pfizer Inc.$171.1815
Lilly USA, LLC$156.0510
Gilead Sciences, Inc.$139.317
Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.)$114.436
Abbvie Inc.$93.484

What the 2025 payments were for

  • Food and Beverage$1,149 · 68 payments

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

Other Internal Medicine providers in Lexington

All Internal Medicine providers in Kentucky →