Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stacy Pak, PHARM.D.

Pharmacist in Duarte, CA · enumerated 2011.

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

National Provider Identifier

1831471283

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Registry record

Entity type Individual (Type 1)

Name Stacy Pak

Credential PHARM.D.

Sex Female

Practice address 1500 Duarte Rd, Duarte, CA, 91010

Phone (626) 256-4673

Enumeration date Sep 12, 2011

Last updated in NPPES Sep 12, 2011

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 64507 (CA) 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

Is NPI 1831471283 active?

Yes, as of the latest NPPES snapshot, NPI 1831471283 is active (record last updated 2011-09-12).

How do I verify Stacy Pak's NPI record?

Cross-check NPI 1831471283 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-12.