NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Philip S Weiss, M.D.

Internal Medicine Physician in Chalmette, LA · enumerated 2007.

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

National Provider Identifier

1780878876

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Registry record

Entity type Individual (Type 1)
Name Philip S Weiss
Credential M.D.
Sex Male
Practice address Chalmette, LA, 70043
Phone (504) 277-0087
Fax (504) 277-0086
Enumeration date Aug 31, 2007
Last updated in NPPES Mar 18, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD201537 (LA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
1217000 Medicaid LA -

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.

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Frequently asked questions

What is the NPI number for Philip Weiss?
The National Provider Identifier (NPI) for Philip Weiss is 1780878876, a Type 1 (individual) record in the CMS NPPES registry.
Where does Philip Weiss practice?
The practice location on file with NPPES is in Chalmette, LA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-18.