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Mark A. Castillo, PA-C

NPI 1548604408ActiveIndividual· Physician Assistant· Washington, DC

Physician Assistant (PA-C) with Medstar Medical Group II LLC, practicing in Washington, District of Columbia. Medicare paid $1,542 for services to 15 patients in 2024. Lists Medstar Georgetown University Hospital as a hospital affiliation.

Overview

NPI1548604408
StatusActive
Entity typeIndividual
CredentialPA-C
Sole proprietorNo
NPI issuedApr 23, 2013
Last updated in NPPESOct 15, 2021
Certified by providerOct 15, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000XMA056070PA

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 - Physician Assistant (DC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients15
Services billed15 across 4 procedure codes
Paid by Medicare$1,542

Medicare sources and data years

Education and affiliations

Graduation year2012
Medicare specialtyPhysician Assistant

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Physician Assistant providers in Washington

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