Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marc David Gustas

Pharmacist in Philadelphia, PA · enumerated 2020.

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

National Provider Identifier

1477156289

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Registry record

Entity type Individual (Type 1)

Name Marc David Gustas

Sex Male

Practice address 1405 S 10th St, Philadelphia, PA, 19147

Phone (215) 465-2130

Enumeration date Nov 17, 2020

Last updated in NPPES Nov 17, 2020

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License RP444079 (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 1477156289 active?

Yes, as of the latest NPPES snapshot, NPI 1477156289 is active (record last updated 2020-11-17).

How do I verify Marc Gustas's NPI record?

Cross-check NPI 1477156289 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 2020-11-17.