NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Richardson Wilcox Jr., M.D.

Diagnostic Radiology Physician in Longview, TX · enumerated 2005 · practices at Radiology Diagnostics.

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

National Provider Identifier

1114920444

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. John Richardson Wilcox Jr.
Credential M.D.
Sex Male
Practice address 4777 Us Highway 259, Longview, TX, 75605
Phone (903) 663-4800
Fax (903) 663-0378
Enumeration date May 31, 2005
Last updated in NPPES Jun 22, 2012

Taxonomy & licenses

2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians · License F0824 (TX) Secondary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License F0824 (TX) 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
8DB361 Other TX BCBS TX
134263610 Medicaid TX -
134263613 Medicaid TX -
P00995222 Other TX RR MEDICARE

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 Wilcox?
The National Provider Identifier (NPI) for John Wilcox is 1114920444, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Wilcox practice?
The practice location on file with NPPES is in Longview, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-06-22.