Skip to content

Chester J. Dreiman, MD

NPI 1013983196ActiveIndividual· Internal Medicine· Boulder, CO

Internal Medicine (MD) in Boulder, Colorado, licensed in NM, CO and IL, with an NPI issued in February 2006.

Overview

NPI1013983196
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 27, 2006
Last updated in NPPESApr 26, 2024
Certified by providerApr 26, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD2023-1656NM
Internal Medicine207R00000X33041CO
Internal Medicine207R00000X036164434IL

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)Not in the public enrollment file of Oct 1, 2026

Medicare sources and data years

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other internal medicine physicians in Boulder

All 80 internal medicine physicians in Boulder · All internal medicine physicians in Colorado