What is Yachi Tseng's NPI number?

Yachi Tseng's National Provider Identifier (NPI) is 1780569889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Yachi Tseng's specialty?

Yachi Tseng is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Yachi Tseng located?

Yachi Tseng's practice location on file with NPPES is 1107 Ne 45th St Ste 502, Seattle, WA 98105-4631.

What is Yachi Tseng's phone number?

The practice phone number listed in the NPPES registry for Yachi Tseng is (206) 785-1953.

Is Yachi Tseng's NPI active?

Yes — Yachi Tseng's NPI (1780569889) is active in the NPPES registry as of the last update on 2025-08-07.

IndividualActive

Yachi Tseng

NPI 1780569889 · Mental Health Counselor · Seattle, WA

Yachi Tseng is a Mental Health Counselor provider in Seattle, WA (NPI 1780569889).

Provider details

NPI number: 1780569889
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

1107 Ne 45th St Ste 502

Seattle, WA 98105-4631

Phone: (206) 785-1953

Street-level locationGet directions

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Mailing address