NPI Portal NPI Lookup & Verification

Dr. Jack L Cox Jr., MD

Dr. Jack L Cox Jr. is a Anesthesiology Physician provider (Anesthesiology) practicing in Ruston, LA, registered in the NPPES registry with NPI 1013943984 since 2006. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1013943984
Entity type Individual (Type 1)
Name Dr. Jack L Cox Jr.
Credential MD
Sex Male
Practice address Ruston, LA, 71270
Phone 3182513620
Fax 3182556604
Enumeration date 2006-06-23
Last updated in NPPES 2007-11-12

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207L00000X Anesthesiology Physician Primary 016321 LA

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
1337048 Medicaid LA
Copy-ready billing details
Provider: Jack Cox, MD
NPI: 1013943984
Taxonomy: 207L00000X (Anesthesiology Physician)
Address: Ruston, LA, 71270

Verify this record

Cross-check NPI 1013943984 against the authoritative CMS record: view Dr. Jack L Cox Jr. on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Jack Cox?
The National Provider Identifier (NPI) for Jack Cox is 1013943984, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jack Cox practice?
The practice location on file with NPPES is in Ruston, LA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-11-12.