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Patricia Ann Ahearn, M.D.

NPI 1982655304ActiveIndividual· Internal Medicine· San Juan Capistrano, CA

Internal Medicine (M.D.) in San Juan Capistrano, California, trained at University of Arizona College of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $817,629 for 6,524 claims, against $91,468 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 18 companies reporting payments in 2025, $828.04 in all, mostly food and beverage.

Overview

NPI1982655304
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 12, 2006
Last updated in NPPESApr 16, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XG54979CA
Specialist174400000XG54979CA

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 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 patients196
Services billed3,348 across 64 procedure codes
Paid by Medicare$91,468

Part D prescriptions in 2024

Prescriptions (claims)6,524 · 13,038 30-day fills
Patients417
Total drug cost$817,629
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Arizona College of Medicine
Graduation year1984
Medicare specialtyInternal Medicine
Secondary specialtiesGeriatric Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$828.04 · 51 payments from 18 companies
  • 2024$1,027 · 51 payments from 25 companies

Top paying companies in 2025

CompanyAmountPayments
Glaxosmithkline, LLC.$143.6420
Lilly USA, LLC$134.016
Abbvie Inc.$101.564
Merck Sharp & Dohme LLC$61.273
Corcept Therapeutics$50.172

What the 2025 payments were for

  • Food and Beverage$828.04 · 51 payments

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

Other Internal Medicine providers in San Juan Capistrano

All Internal Medicine providers in California →