Leonard Irving, CDP
NPI 1417426735 · Addiction (Substance Use Disorder) Counselor · Kent, WA
Leonard Irving, CDP is a Addiction (Substance Use Disorder) Counselor provider in Kent, WA (NPI 1417426735).
Provider details
- NPI number
- 1417426735
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CDP
- Sex
- Male
- Sole proprietor
- No
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
7 yrs in NPPES 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
- 2018-11-15
- Last updated
- 2018-11-15
Frequently asked questions
- What is Leonard Irving's NPI number?
- Leonard Irving's National Provider Identifier (NPI) is 1417426735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Irving's specialty?
- Leonard Irving is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Leonard Irving located?
- Leonard Irving's practice location on file with NPPES is 3407 S 253rd St, Kent, WA 98032-9746.
- What is Leonard Irving's phone number?
- The practice phone number listed in the NPPES registry for Leonard Irving is (253) 529-2511.
- Is Leonard Irving's NPI active?
- Yes — Leonard Irving's NPI (1417426735) is active in the NPPES registry as of the last update on 2018-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.