Dr. Thomas Armstrong PHD
About this NPIWhat this record shows.
NPI 1659132587 is registered to Dr. Thomas Armstrong PHD, a Clinical Psychologist practising at 702 Lincoln St in Walla Walla, Washington. Clinical Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Thomas Armstrong PHD has been enumerated in the National Provider Identifier (NPI) registry since 2024.
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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 Dr. Thomas Armstrong PHD accepts. To confirm in-network status with your specific health plan, contact Dr. Thomas Armstrong PHD directly at (509) 386-7500.
Frequently asked
Yes. NPI 1659132587 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Psychologist 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 (509) 386-7500.
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. Dr. Thomas Armstrong PHD is a Type-1 individual NPI.