Cassandra Niemi MD
About this NPIWhat this record shows.
NPI 1861781767 is registered to Cassandra Niemi MD, a Gynecologic Oncology practising at 4805 Ne Glisan St Ste 11n in Portland, Oregon. Gynecologic Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Cassandra Niemi MD has been enumerated in the National Provider Identifier (NPI) registry since 2011.
Your brand here.
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
- I20180807003894Gynecological OncologyWA
- I20180807003952Obstetrics/GynecologyOR
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 Cassandra Niemi MD accepts. To confirm in-network status with your specific health plan, contact Cassandra Niemi MD directly at (503) 215-2075.
Frequently asked
Yes. NPI 1861781767 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Gynecologic Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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) 215-2075.
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. Cassandra Niemi MD is a Type-1 individual NPI.