NPI Lens

Thomas E. Ahlering, M.D.

NPI 1013983386ActiveIndividual· Urology· Orange, CA

Opted out of Medicare from January 2012 to January 2028. Urology (M.D.) in Orange, California, licensed in CA, with an NPI issued in February 2006. Part D covered 67 prescriptions written in 2024, 42% of them generic. Calyxo, Inc. reported $93.68 in payments in 2025, mostly food and beverage.

Overview

NPI1013983386
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedFeb 27, 2006
Last updated in NPPESApr 22, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Urology Primary208800000XG42753CA

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)Not in the public enrollment file of Oct 1, 2026
Opt-outOpted out Jan 1, 2012 – Jan 1, 2028
Can order and referYes

During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.

Part D prescriptions in 2024

Prescriptions (claims)67 · 88 30-day fills
Patients15
Total drug cost$366,959
Generic share42% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$93.68 · 1 payment from 1 company
  • 2024$148.00 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Calyxo, Inc.$93.681

What the 2025 payments were for

  • Food and Beverage$93.68 · 1 payment

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

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