John Larson, SUDPT
NPI 1366141335 · Addiction (Substance Use Disorder) Counselor · Auburn, WA
John Larson, SUDPT is a Addiction (Substance Use Disorder) Counselor provider in Auburn, WA (NPI 1366141335).
Provider details
- NPI number
- 1366141335
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- SUDPT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 61355679 (WA)
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
3 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
- 2023-02-28
- Last updated
- 2023-02-28
- Certified
- 2023-02-28
Frequently asked questions
- What is John Larson's NPI number?
- John Larson's National Provider Identifier (NPI) is 1366141335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Larson's specialty?
- John Larson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Larson located?
- John Larson's practice location on file with NPPES is 921 Harvey Rd Ne Ste C, Auburn, WA 98002-4294.
- What is John Larson's phone number?
- The practice phone number listed in the NPPES registry for John Larson is (253) 939-2211.
- Is John Larson's NPI active?
- Yes — John Larson's NPI (1366141335) is active in the NPPES registry as of the last update on 2023-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.