Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ryan Tatsumoto, PHARM.D.

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Schofield Barracks, HI · enumerated 2005.

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

National Provider Identifier

1811999808

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Registry record

Entity type Individual (Type 1)

Name Dr. Ryan Tatsumoto

Credential PHARM.D.

Sex Male

Practice address Bldg 682 Rm 236, Usahc - Schofield Barracks, Schofield Barracks, HI, 96857

Phone (808) 433-8160

Enumeration date Aug 10, 2005

Last updated in NPPES Jul 15, 2016

Taxonomy & licenses

1835P0018X Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist Pharmacy Service Providers · License PH1422 (HI) Primary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Ryan Tatsumoto's NPI record?

Cross-check NPI 1811999808 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1811999808 active?

Yes, as of the latest NPPES snapshot, NPI 1811999808 is active (record last updated 2016-07-15).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-15.