Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Fenner Griffin, M.D.

Diagnostic Radiology Physician in Chapel Hill, NC · enumerated 2015.

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

National Provider Identifier

1730569583

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Registry record

Entity type Individual (Type 1)

Name Dr. William Fenner Griffin

Credential M.D.

Sex Male

Practice address 101 Manning Drive 2000 Old Clinic Cb 7510, Chapel Hill, NC, 27599

Phone (984) 974-1000

Enumeration date Jun 8, 2015

Last updated in NPPES Mar 14, 2024

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 2022-00557 (NC) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Is NPI 1730569583 active?

Yes, as of the latest NPPES snapshot, NPI 1730569583 is active (record last updated 2024-03-14).

How do I verify William Griffin's NPI record?

Cross-check NPI 1730569583 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Carly Nix Vascular & Interventional Radiology Physician · Chapel Hill, NC NPI 1104677228

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-14.