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John H. Sun, MD

NPI 1003865023ActiveIndividual· Surgery· Parker, CO

Surgery (MD) in Parker, Colorado, trained at University of Colorado School of Medicine, Denver (class of 1990). In 2024 Medicare paid $55,739 for 197 patients, and Part D covered 153 of their prescriptions, 88% of them generic.

Overview

NPI1003865023
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedMay 8, 2006
Last updated in NPPESJun 26, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000X35479CO

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 - Colorectal Surgery (Proctology) (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients197
Services billed440 across 26 procedure codes
Paid by Medicare$55,739

Part D prescriptions in 2024

Prescriptions (claims)153 · 153 30-day fills
Patients146
Total drug cost$9,419
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Colorado School of Medicine, Denver
Graduation year1990
Medicare specialtyColorectal Surgery (Proctology)

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

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