Skip to content

Mark R. Nielsen, MD

NPI 1609830843ActiveIndividual· Internal Medicine· Bloomington, MN

Internal Medicine (MD) in Bloomington, Minnesota, trained at University of Minnesota Medical School (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $623,295 for 9,486 claims, against $87,182 paid for services in 2024. Abbott Laboratories reported $27.19 in payments in 2024, mostly food and beverage.

Overview

NPI1609830843
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 14, 2006
Last updated in NPPESMay 16, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X35777MN

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 - Internal Medicine (MN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients276
Services billed2,589 across 86 procedure codes
Paid by Medicare$87,182

Part D prescriptions in 2024

Prescriptions (claims)9,486 · 23,422 30-day fills
Patients802
Total drug cost$623,295
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Minnesota Medical School
Graduation year1991
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$27.19 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Abbott Laboratories$27.191

What the 2024 payments were for

  • Food and Beverage$27.19 · 1 payment

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

Other internal medicine physicians in Bloomington

All 42 internal medicine physicians in Bloomington · All internal medicine physicians in Minnesota