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Katherine Lyn Weyer, MD

NPI 1720421423ActiveIndividual· Obstetrics & Gynecology· Oregon City, OR

Obstetrics & Gynecology (MD) with Frances Mahon Deaconess Hospital, practicing in Oregon City, Oregon. 21 Medicare patients in 2024, $4,161 paid; nearly all of their 58 Part D prescriptions were generic (93%). Lists Billings Clinic Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1720421423
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 11, 2013
Last updated in NPPESJan 30, 2026
Certified by providerJan 30, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Obstetrics & Gynecology Primary207V00000XMD184314OR
Obstetrics & Gynecology207V00000X138190MT

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 - Obstetrics/Gynecology (MT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients21
Services billed43 across 22 procedure codes
Paid by Medicare$4,161

Part D prescriptions in 2024

Prescriptions (claims)58 · 123 30-day fills
Patients35
Total drug cost$3,851
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Graduation year2012
Medicare specialtyObstetrics/Gynecology

Medical group

Hospital affiliations

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 Obstetrics & Gynecology providers in Oregon City

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