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Zachary Ryan Messer, MD

NPI 1639811946ActiveIndividual· Family Medicine· Forest Lake, MN

Family Medicine (MD) with Allina Health System, practicing in Forest Lake, Minnesota. Part D covered 140 prescriptions written in 2024, 84% of them generic. Lists Abbott Northwestern Hospital as a hospital affiliation.

Overview

NPI1639811946
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 8, 2022
Last updated in NPPESNov 6, 2025
Certified by providerNov 6, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X80769MN
Student in an Organized Health Care Education/Training Program390200000X——

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 - Family Practice (MN)

Part D prescriptions in 2024

Prescriptions (claims)140 · 204 30-day fills
Total drug cost$36,264
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year2021
Medicare specialtyFamily Practice

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

Other family medicine physicians in Forest Lake

All 18 family medicine physicians in Forest Lake · All family medicine physicians in Minnesota