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Larry Hale Day, MD

Otolaryngic Allergy Physician in Hattiesburg, MS · enumerated 2006.

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

National Provider Identifier

1285695288

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Registry record

Entity type Individual (Type 1)
Name Larry Hale Day
Credential MD
Sex Male
Practice address 107 Millsaps Drive, Hattiesburg, MS, 39402
Phone (601) 268-5131
Fax (601) 268-5138
Enumeration date Mar 29, 2006
Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 04659 (MS) Secondary
207YX0602X Otolaryngic Allergy Physician Allopathic & Osteopathic Physicians · License 04659 (MS) 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
00011998 Medicaid MS -

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 Larry Day?
The National Provider Identifier (NPI) for Larry Day is 1285695288, a Type 1 (individual) record in the CMS NPPES registry.
Where does Larry Day practice?
The practice location on file with NPPES is in Hattiesburg, MS. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.