Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Jennings, MD

Emergency Medicine Physician in Hattiesburg, MS · enumerated 2006.

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

National Provider Identifier

1457389140

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Registry record

Entity type Individual (Type 1)

Name John Jennings

Credential MD

Sex Male

Practice address 6051 Highway 49, Hattiesburg, MS, 39401

Phone (601) 288-7000

Enumeration date Jun 29, 2006

Last updated in NPPES Sep 1, 2010

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 11044 (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
P00833979	Other	MS	RAILROAD MCARE THRU HCCN
1325180	Medicaid	LA	-
06108051	Medicaid	MS	-
P00774929	Other	MS	RAILROAD MCARE THRU IHS

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 specialty is John Jennings?

John Jennings is registered in NPPES with the primary taxonomy of Emergency Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

Browse all →

Frederick Martin Emergency Medicine Physician · Hattiesburg, MS NPI 1912948803 Christie Ladner Nurse Practitioner · Hattiesburg, MS NPI 1922049980 Martin Lott Emergency Medicine Physician · Hattiesburg, MS NPI 1225079288 Patrick Charbonneau Emergency Medicine Physician · Hattiesburg, MS NPI 1720020373 Fgh Trauma Surgery Clinic Surgery Physician · Hattiesburg, MS NPI 1427090398 Lyndell Lee Family Nurse Practitioner · Hattiesburg, MS NPI 1013951854 Michael Farmer Emergency Medicine Physician · Hattiesburg, MS NPI 1326082835 Norman Smith Emergency Medicine Physician · Hattiesburg, MS NPI 1255375549

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-09-01.