Derek Grieb
About this NPIWhat this record shows.
NPI 1093606873 is registered to Derek Grieb, a Addiction Counselor practising at 120 East Birch St Ste 14 in Walla Walla, Washington. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Derek Grieb has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Your brand here.
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 Derek Grieb accepts. To confirm in-network status with your specific health plan, contact Derek Grieb directly at (509) 876-4525.
Frequently asked
Yes. NPI 1093606873 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Addiction Counselor 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) 876-4525.
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. Derek Grieb is a Type-1 individual NPI.