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Mark J. Granada, M.D.

NPI 1467642504ActiveIndividual· Internal Medicine· Annandale, VA

Internal Medicine (M.D.) in Annandale, Virginia, trained at Boston University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,704,650 for 3,727 claims, against $319,766 paid for services in 2024. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $708.31 in all, mostly food and beverage.

Overview

NPI1467642504
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 25, 2007
Last updated in NPPESFeb 25, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X232993MA

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 - Pulmonary Disease (DC); Practitioner - Critical Care (Intensivists) (VA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients706
Services billed7,521 across 47 procedure codes
Paid by Medicare$319,766

Part D prescriptions in 2024

Prescriptions (claims)3,727 · 6,283 30-day fills
Patients535
Total drug cost$1,704,650
Generic share58% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBoston University School of Medicine
Graduation year2003
Medicare specialtyCritical Care (Intensivists)
Secondary specialtiesPulmonary Disease
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$708.31 · 30 payments from 8 companies
  • 2024$710.50 · 19 payments from 9 companies

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$202.409
Pulmonx Corporation$160.751
Astrazeneca Pharmaceuticals LP$150.5512
Verona Pharma, Inc.$65.503
Insmed, Inc.$39.642

What the 2025 payments were for

  • Food and Beverage$708.31 · 30 payments

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

Other internal medicine physicians in Annandale

All 38 internal medicine physicians in Annandale · All internal medicine physicians in Virginia