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William Marshall Chisholm, M.D.

NPI 1932425923ActiveIndividual· Family Medicine, Geriatric Medicine· Aurora, CO

Family Medicine, Geriatric Medicine (M.D.) in Aurora, Colorado, trained at University of Colorado School of Medicine, Denver (class of 2013). In 2024 Medicare paid $146,487 for 559 patients, and Part D covered 3,220 of their prescriptions, 86% of them generic.

Overview

NPI1932425923
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 15, 2010
Last updated in NPPESMay 19, 2015

Specialties and licenses

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 - Internal Medicine (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients559
Services billed2,057 across 21 procedure codes
Paid by Medicare$146,487

Part D prescriptions in 2024

Prescriptions (claims)3,220 · 4,170 30-day fills
Patients318
Total drug cost$194,181
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Colorado School of Medicine, Denver
Graduation year2013
Medicare specialtyInternal Medicine

Medical group

Other facilities

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

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