What is Lenh Tsan's NPI number?

Lenh Tsan's National Provider Identifier (NPI) is 1235944497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lenh Tsan's specialty?

Lenh Tsan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Lenh Tsan located?

Lenh Tsan's practice location on file with NPPES is 1380 Howard Street, San Francisco, CA 94103.

What is Lenh Tsan's phone number?

The practice phone number listed in the NPPES registry for Lenh Tsan is (628) 754-9229.

Is Lenh Tsan's NPI active?

Yes — Lenh Tsan's NPI (1235944497) is active in the NPPES registry as of the last update on 2025-02-12.

IndividualActive

Lenh Tsan

NPI 1235944497 · Specialist · San Francisco, CA

Lenh Tsan is a Specialist provider in San Francisco, CA (NPI 1235944497).

Provider details

NPI number: 1235944497
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

SpecialistPrimary174400000X
Other 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
1 yr 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

1380 Howard Street

Ste. 226

San Francisco, CA 94103

Phone: (628) 754-9229

Street-level locationGet directions

More CA providers

Mailing address