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Gregorio Joel Asuncion Castillo, M.D.

NPI 1184695488ActiveIndividual· Internal Medicine· El Paso, TX

Internal Medicine (M.D.) in El Paso, Texas, licensed in TX, with an NPI issued in January 2006. Their prescriptions cost Medicare Part D more than their services did: $1,180,366 for 11,901 claims, against $14,232 paid for services in 2024. Inspire Medical Systems, Inc. reported $76.98 in payments in 2024, mostly food and beverage.

Overview

NPI1184695488
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJan 27, 2006
Last updated in NPPESNov 7, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XJ8950TX

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 (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients99
Services billed257 across 8 procedure codes
Paid by Medicare$14,232

Part D prescriptions in 2024

Prescriptions (claims)11,901 · 30,586 30-day fills
Patients659
Total drug cost$1,180,366
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Graduation year1990
Medicare specialtyInternal Medicine

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$76.98 · 2 payments from 1 company

Top paying companies in 2024

CompanyAmountPayments
Inspire Medical Systems, Inc.$76.982

What the 2024 payments were for

  • Food and Beverage$76.98 · 2 payments

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

Other internal medicine physicians in El Paso

All 363 internal medicine physicians in El Paso · All internal medicine physicians in Texas