Alyssa Warren MD
About this NPIWhat this record shows.
NPI 1811422231 is registered to Alyssa Warren MD, a Psychiatry practising at 600 Nw 11th St Ste E33 in Hermiston, Oregon. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Alyssa Warren MD has been enumerated in the National Provider Identifier (NPI) registry since 2017.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 3 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 908 Psychiatry providers on file in Oregon.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds 3 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
- I20220404001609PsychiatryVT
- I20231107001327PsychiatryMT
- I20250716003268PsychiatryOR
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 Alyssa Warren MD accepts. To confirm in-network status with your specific health plan, contact Alyssa Warren MD directly at (541) 667-3740.
Frequently asked
Yes. NPI 1811422231 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia.
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 (541) 667-3740.
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. Alyssa Warren MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 908 Psychiatry providers are registered in Oregon, and Alyssa Warren MD is one of them. The figure refreshes each month from the federal source.