Organization Profile
John M Tsao INC is an organization based in Torrance, CA and listed in the NPI registry under endocrinology, diabetes & metabolism. NPI 1265530323 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
20911 EARL ST STE 340
Torrance, CA 90503
John M Tsao INC is an endocrinologist in Torrance, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
John M Tsao INC is listed at 20911 Earl St Ste 340, Torrance, CA 90503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (310) 542-6333. Contact the office directly to confirm availability and scheduling.
NPI registry
John M Tsao INC's National Provider Identifier is 1265530323. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by John M Tsao INC. If this is you, claiming it is free.
Guide.md
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Guide.md listings do not constitute medical advice or an endorsement.