Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chalmers Morton Nunn Jr., M.D.

Gastroenterology Physician in Lynchburg, VA · enumerated 2006 · practices at Centra Health Inc.

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

National Provider Identifier

1255306411

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Registry record

Entity type Individual (Type 1)

Name Chalmers Morton Nunn Jr.

Credential M.D.

Sex Male

Practice address 121 Nationwide Dr, Suite A, Lynchburg, VA, 24502

Phone (434) 384-1862

Fax (434) 384-7704

Enumeration date Feb 21, 2006

Last updated in NPPES Jul 16, 2010

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 0101222564 (VA) 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
005839629	Medicaid	VA	-

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

Where does Chalmers Nunn practice?

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

What is the NPI number for Chalmers Nunn?

The National Provider Identifier (NPI) for Chalmers Nunn is 1255306411, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-16.