Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Livingston Ross

Pharmacist in Yardley, PA · enumerated 2020 · practices at Pennsylvania Cvs Pharmacy, L.L.C..

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

National Provider Identifier

1477158343

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Registry record

Entity type Individual (Type 1)

Name William Livingston Ross

Sex Male

Practice address 590 W Trenton Ave, Yardley, PA, 19067

Phone (215) 736-9003

Fax (215) 736-2678

Enumeration date Dec 1, 2020

Last updated in NPPES Dec 1, 2020

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License RP450637 (PA) Primary

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 1477158343 active?

Yes, as of the latest NPPES snapshot, NPI 1477158343 is active (record last updated 2020-12-01).

How do I verify William Ross's NPI record?

Cross-check NPI 1477158343 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

Pennsylvania Cvs Pharmacy, L.L.C. Pharmacy · Morrisville, PA NPI 1871697656 Azam Elabed Pharmacist · Morrisville, PA NPI 1093498263 Diana Lee Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Morrisville, PA NPI 1225803273 Michael Mirande Pharmacist · Morrisville, PA NPI 1013735216

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-01.