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John A Walker Jr., M.D.

Family Medicine Physician in Hammond, LA · enumerated 2005.

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

National Provider Identifier

1477536324

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Registry record

Entity type Individual (Type 1)
Name John A Walker Jr.
Credential M.D.
Sex Male
Practice address 16052 Doctors Blvd, Hammond, LA, 70403
Phone (985) 345-9606
Fax (985) 345-9616
Enumeration date Nov 23, 2005
Last updated in NPPES Apr 15, 2008

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 011436 (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
P00060600 Other LA RAILROAD MEDICARE
1159336 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 John Walker?
The National Provider Identifier (NPI) for John Walker is 1477536324, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Walker practice?
The practice location on file with NPPES is in Hammond, 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 2008-04-15.