Koichi Tanji
NPI 1851900427 · Mental Health Counselor · Bellevue, WA
Koichi Tanji is a Mental Health Counselor provider in Bellevue, WA (NPI 1851900427).
Provider details
- NPI number
- 1851900427
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- NT61219790 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2020-07-29
- Last updated
- 2023-11-06
- Certified
- 2023-11-06
Frequently asked questions
- What is Koichi Tanji's NPI number?
- Koichi Tanji's National Provider Identifier (NPI) is 1851900427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Koichi Tanji's specialty?
- Koichi Tanji is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Koichi Tanji located?
- Koichi Tanji's practice location on file with NPPES is 11226 Ne 15th St Ste 6, Bellevue, WA 98004-3719.
- What is Koichi Tanji's phone number?
- The practice phone number listed in the NPPES registry for Koichi Tanji is (206) 201-4087.
- Is Koichi Tanji's NPI active?
- Yes — Koichi Tanji's NPI (1851900427) is active in the NPPES registry as of the last update on 2023-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.