Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Joseph Sheehan Jr., M.D.

Q: What is the NPI number for John Sheehan?

The National Provider Identifier (NPI) for John Sheehan is 1376549816, a Type 1 (individual) record in the CMS NPPES registry.

Gastroenterology Physician in Jackson, MS · enumerated 2005.

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

National Provider Identifier

1376549816

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Registry record

Entity type Individual (Type 1)

Name Dr. John Joseph Sheehan Jr.

Credential M.D.

Sex Male

Practice address 2500 North State Street, Department of Medicine Division of Digestive Disease, Jackson, MS, 39216

Phone (601) 984-4540

Fax (601) 984-4548

Enumeration date Jun 21, 2005

Last updated in NPPES Apr 9, 2014

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 05144R (LA) Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 17272 (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
03106560	Medicaid	MS	-
5M315	Other	MS	P-TAN
1303364	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 Sheehan?

The National Provider Identifier (NPI) for John Sheehan is 1376549816, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Sheehan practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-04-09.