Seth Welch
NPI 1215373477 · Addiction (Substance Use Disorder) Counselor · Seattle, WA
Seth Welch is a Addiction (Substance Use Disorder) Counselor provider in Seattle, WA (NPI 1215373477).
Provider details
- NPI number
- 1215373477
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- CO 60149934 (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
13 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
- 2013-05-15
- Last updated
- 2013-05-15
Frequently asked questions
- What is Seth Welch's NPI number?
- Seth Welch's National Provider Identifier (NPI) is 1215373477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seth Welch's specialty?
- Seth Welch is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Seth Welch located?
- Seth Welch's practice location on file with NPPES is 1901 Martin Luther King Jr Way S, Seattle, WA 98144-4801.
- What is Seth Welch's phone number?
- The practice phone number listed in the NPPES registry for Seth Welch is (206) 322-7676.
- Is Seth Welch's NPI active?
- Yes — Seth Welch's NPI (1215373477) is active in the NPPES registry as of the last update on 2013-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.