Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Clarke, MD

Q: What is the NPI number for John Clarke?

The National Provider Identifier (NPI) for John Clarke is 1437231156, a Type 1 (individual) record in the CMS NPPES registry.

Diagnostic Radiology Physician in Chapel Hill, NC · enumerated 2006.

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

National Provider Identifier

1437231156

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Registry record

Entity type Individual (Type 1)

Name John Clarke

Credential MD

Sex Male

Practice address 101 Manning Dr, Chapel Hill, NC, 27599

Phone (919) 966-8596

Fax (919) 843-5515

Enumeration date Oct 20, 2006

Last updated in NPPES Jun 21, 2026

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 39930 (NC) 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
8922677	Medicaid	NC	-

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 is the NPI number for John Clarke?

The National Provider Identifier (NPI) for John Clarke is 1437231156, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Clarke practice?

The practice location on file with NPPES is in Chapel Hill, NC. 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 2026-06-21.