Derek Grieb
NPI 1093606873 · Addiction (Substance Use Disorder) Counselor · Walla Walla, WA
Derek Grieb is a Addiction (Substance Use Disorder) Counselor provider in Walla Walla, WA (NPI 1093606873).
Provider details
- NPI number
- 1093606873
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Peer Specialist175T00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-07-10
- Last updated
- 2025-07-10
- Certified
- 2025-07-10
Frequently asked questions
- What is Derek Grieb's NPI number?
- Derek Grieb's National Provider Identifier (NPI) is 1093606873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Grieb's specialty?
- Derek Grieb is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Derek Grieb located?
- Derek Grieb's practice location on file with NPPES is 120 East Birch St Ste 14, Walla Walla, WA 99362-3054.
- What is Derek Grieb's phone number?
- The practice phone number listed in the NPPES registry for Derek Grieb is (509) 876-4525.
- Is Derek Grieb's NPI active?
- Yes — Derek Grieb's NPI (1093606873) is active in the NPPES registry as of the last update on 2025-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.