Derwin Decker, CADC 1
NPI 1619208337 · Addiction (Substance Use Disorder) Counselor · Klamath Falls, OR
Derwin Decker, CADC 1 is a Addiction (Substance Use Disorder) Counselor provider in Klamath Falls, OR (NPI 1619208337).
Provider details
- NPI number
- 1619208337
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC 1
- Sex
- Male
- Sole proprietor
- No
- License
- 95-04-35 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2010-01-20
- Last updated
- 2010-01-20
Frequently asked questions
- What is Derwin Decker's NPI number?
- Derwin Decker's National Provider Identifier (NPI) is 1619208337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derwin Decker's specialty?
- Derwin Decker is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Derwin Decker located?
- Derwin Decker's practice location on file with NPPES is 3949 South 6th Street, Klamath Falls, OR 97603-4746.
- What is Derwin Decker's phone number?
- The practice phone number listed in the NPPES registry for Derwin Decker is (541) 882-1487.
- Is Derwin Decker's NPI active?
- Yes — Derwin Decker's NPI (1619208337) is active in the NPPES registry as of the last update on 2010-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.