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Peter Joseph O'Carroll III, M.D.

NPI 1811190812ActiveIndividual· Psychiatry & Neurology, Neurology· Granbury, TX

Psychiatry & Neurology, Neurology (M.D.) in Granbury, Texas, trained at Louisiana State University School of Medicine in New Orleans (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $2,638,373 for 5,839 claims, against $156,585 paid for services in 2024. Abbvie Inc. was the largest of 27 companies reporting payments in 2025, $31,149 in all, mostly speaking and faculty fees.

Overview

NPI1811190812
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 7, 2007
Last updated in NPPESSep 13, 2020
Certified by providerSep 13, 2020

Specialties and licenses

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 - Neurology (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients656
Services billed8,137 across 48 procedure codes
Paid by Medicare$156,585

Part D prescriptions in 2024

Prescriptions (claims)5,839 · 9,101 30-day fills
Patients769
Total drug cost$2,638,373
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLouisiana State University School of Medicine in New Orleans
Graduation year2004
Medicare specialtyNeurology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$31,149 · 218 payments from 27 companies
  • 2024$7,977 · 176 payments from 25 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$28,74686
Eisai Inc.$316.188
Ucb, Inc.$286.6519
Lilly USA, LLC$230.498
Pfizer Inc.$225.6925

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$27,431 · 11 payments
  • Food and Beverage$3,440 · 192 payments
  • Travel and Lodging$277.48 · 15 payments

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

Other neurologists in Granbury

All neurologists in Texas