Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Jennifer O'Sullivan, MD

Pediatrics Physician in Harvey, LA · enumerated 2006 · practices at Marillac Community Health Centers.

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

National Provider Identifier

1487731204

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Registry record

Entity type Individual (Type 1)

Name Dr. Jennifer O'Sullivan

Credential MD

Sex Female

Practice address 1629 Westbank Expy Ste A, Harvey, LA, 70058

Phone (504) 582-0715

Fax (504) 582-0716

Enumeration date Nov 1, 2006

Last updated in NPPES Nov 12, 2025

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 305136 (LA) Primary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 19346 (MS) Secondary

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
03232771	Medicaid	MS	-
2458183	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Jennifer O'Sullivan?

The National Provider Identifier (NPI) for Jennifer O'Sullivan is 1487731204, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jennifer O'Sullivan practice?

The practice location on file with NPPES is in Harvey, LA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Marillac Community Health Centers Family Medicine Physician · Harvey, LA NPI 1316324890

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-12.