Katherine Weyer MD
About this NPIWhat this record shows.
NPI 1720421423 is registered to Katherine Weyer MD, a Obstetrics & Gynecology practising at 1508 Division St Ste 205 in Oregon City, Oregon. Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions. Katherine Weyer MD has been enumerated in the National Provider Identifier (NPI) registry since 2013.
Beyond the registryWhat this record adds.
This record carries 1 secondary identifier beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. It is enrolled in Medicare, linking to 2 PECOS enrollment records (each with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 727 Obstetrics & Gynecology providers on file in Oregon.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20171204001832Obstetrics/GynecologyOR
- I20240322003159Obstetrics/GynecologyMT
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Katherine Weyer MD accepts. To confirm in-network status with your specific health plan, contact Katherine Weyer MD directly at (503) 657-1057.
Frequently asked
Yes. NPI 1720421423 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (503) 657-1057.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Katherine Weyer MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 727 Obstetrics & Gynecology providers are registered in Oregon, and Katherine Weyer MD is one of them. The figure refreshes each month from the federal source.