Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Justin Mchenry Arnold, M.D.

Surgery of the Hand (Surgery) Physician in Chattanooga, TN · enumerated 2007.

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

National Provider Identifier

1891919676

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Registry record

Entity type Individual (Type 1)

Name Dr. Justin Mchenry Arnold

Credential M.D.

Sex Male

Practice address 2415 Mccallie Ave, Chattanooga, TN, 37404

Phone (423) 624-2696

Fax (423) 697-2055

Enumeration date Apr 12, 2007

Last updated in NPPES Jan 17, 2013

Taxonomy & licenses

2086S0105X Surgery of the Hand (Surgery) Physician Allopathic & Osteopathic Physicians · License 46075 (TN) Primary

207XS0106X Orthopaedic Hand Surgery Physician Allopathic & Osteopathic Physicians · License MD46075 (TN) Secondary

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
1524903	Medicaid	TN	-

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

How do I verify Justin Arnold's NPI record?

Cross-check NPI 1891919676 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1891919676 active?

Yes, as of the latest NPPES snapshot, NPI 1891919676 is active (record last updated 2013-01-17).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-17.