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Mark Tsuchiyose MD Inc

Gastroenterology Physician in Daly City, CA · enumerated 2024 · authorized official Mark Tsuchiyose, Gastroenterology.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1649095159

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Registry record

Entity type Organization (Type 2)
Legal business name Mark Tsuchiyose MD Inc
Practice address 1850 Sullivan Ave Ste 420, Daly City, CA, 94015
Phone (650) 465-4450
Enumeration date Nov 19, 2024
Last updated in NPPES Nov 20, 2024

Taxonomy & classification

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Mark Tsuchiyose
Title Gastroenterology
Phone (650) 465-4450

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Who is the authorized official for Mark Tsuchiyose MD Inc?
NPPES lists Mark Tsuchiyose (Gastroenterology) as the authorized official for this organization.
What is the NPI number for Mark Tsuchiyose MD Inc?
The NPI for Mark Tsuchiyose MD Inc is 1649095159, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-20.