Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Chaoyuan Charles Lin, PHARM.D.

Pharmacist in Darby, PA · enumerated 2013.

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

National Provider Identifier

1811320286

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Registry record

Entity type Individual (Type 1)

Name Dr. Chaoyuan Charles Lin

Credential PHARM.D.

Sex Male

Practice address 1500 Lansdowne Ave, Darby, PA, 19023

Phone (610) 237-4239

Fax (610) 237-4627

Enumeration date Aug 20, 2013

Last updated in NPPES Aug 20, 2013

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License RP446976 (PA) 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 Chaoyuan Lin's NPI record?

Cross-check NPI 1811320286 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1811320286 active?

Yes, as of the latest NPPES snapshot, NPI 1811320286 is active (record last updated 2013-08-20).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-20.