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Marie Denise Alfonso Guanzon, MD

NPI 1780664631ActiveIndividual· Internal Medicine· St Cloud, MN

Internal Medicine (MD) with Centracare Clinic, practicing in St Cloud, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $624,088 for 9,524 claims, against $83,884 paid for services in 2024. Lilly USA, LLC reported $49.19 in payments in 2024, mostly food and beverage. Lists Centracare - St. Cloud Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1780664631
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 18, 2006
Last updated in NPPESApr 28, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X53336MN
Hospitalist208M00000X9430ND
Allergy & Immunology207K00000X53336MN

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 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 patients394
Services billed1,342 across 54 procedure codes
Paid by Medicare$83,884

Part D prescriptions in 2024

Prescriptions (claims)9,524 · 23,082 30-day fills
Patients617
Total drug cost$624,088
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Graduation year1995
Medicare specialtyInternal Medicine
Secondary specialtiesAllergy/Immunology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$49.19 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Lilly USA, LLC$49.191

What the 2024 payments were for

  • Food and Beverage$49.19 · 1 payment

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

Other Internal Medicine providers in St Cloud

All Internal Medicine providers in Minnesota →