Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marie E. Louis, MD

Family Medicine Physician in Philadelphia, PA · enumerated 2006.

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

National Provider Identifier

1265472484

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Registry record

Entity type Individual (Type 1)

Name Marie E. Louis

Credential MD

Sex Female

Practice address 5214 Baltimore Ave, Philadelphia, PA, 19143

Phone (215) 623-1020

Fax (888) 355-6967

Enumeration date Jun 7, 2006

Last updated in NPPES Apr 15, 2026

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MA84784 (NJ) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD422927 (PA) 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
P3947491	Other	NJ	OXFORD
0176991	Medicaid	NJ	-
60044554	Other	NJ	HORIZON NJ HEALTH
6638919/7921640	Other	NJ	AETNA
46918	Other	NJ	UNIVERISTY HEALTH PLAN
7891031	Other	NJ	CIGNA

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

How do I verify Marie Louis's NPI record?

Cross-check NPI 1265472484 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1265472484 active?

Yes, as of the latest NPPES snapshot, NPI 1265472484 is active (record last updated 2026-04-15).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-15.