Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Justin Shayne Fanning, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Grand Rapids, MI · enumerated 2007.

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

National Provider Identifier

1700908522

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Registry record

Entity type Individual (Type 1)

Name Justin Shayne Fanning

Credential MD

Sex Male

Practice address 221 Michigan St Ne Ste 300, Grand Rapids, MI, 49503

Phone (616) 459-7258

Fax (616) 459-5215

Enumeration date Apr 4, 2007

Last updated in NPPES Mar 14, 2022

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 4301074884 (MI) 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

What is the NPI number for Justin Fanning?

The National Provider Identifier (NPI) for Justin Fanning is 1700908522, a Type 1 (individual) record in the CMS NPPES registry.

Where does Justin Fanning practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-03-14.