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Mark Joseph Del Rosario, MD

NPI 1205273927ActiveIndividual· Hospitalist· Littleton, CO

Hospitalist (MD) in Littleton, Colorado, trained at University of Colorado School of Medicine, Denver (class of 2013). 226 Medicare patients in 2024, $50,689 paid; nearly all of their 303 Part D prescriptions were generic (91%). Becton, Dickinson and Company reported $58.00 in payments in 2025, mostly speaking and faculty fees.

Overview

NPI1205273927
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJun 4, 2013
Last updated in NPPESNov 30, 2020
Certified by providerNov 30, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000XDR.0057375CO
Internal Medicine207R00000XR74098AZ

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 - Hospitalist (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients226
Services billed543 across 10 procedure codes
Paid by Medicare$50,689

Part D prescriptions in 2024

Prescriptions (claims)303 · 306 30-day fills
Patients114
Total drug cost$15,785
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Colorado School of Medicine, Denver
Graduation year2013
Medicare specialtyHospitalist
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$58.00 · 2 payments from 1 company
  • 2024$27.00 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Becton, Dickinson and Company$58.002

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$58.00 · 2 payments

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

Other hospitalists in Littleton

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