NPI Portal NPI Lookup & Verification

Robert Dale Arnold Jr., DMD

Robert Dale Arnold Jr. is a General Practice Dentistry provider (Dentist) practicing in Marion, IL, registered in the NPPES registry with NPI 1891915609 since 2007. The credential DMD stands for Doctor of Medicine in Dentistry.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1891915609
Entity type Individual (Type 1)
Name Robert Dale Arnold Jr.
Credential DMD
Sex Male
Practice address Marion, IL, 62959
Phone 6189979005
Enumeration date 2007-04-26
Last updated in NPPES 2017-04-05

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1223G0001X General Practice Dentistry Primary 019-021739 IL

DMD — Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Copy-ready billing details
Provider: Robert Arnold, DMD
NPI: 1891915609
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: Marion, IL, 62959

Verify this record

Cross-check NPI 1891915609 against the authoritative CMS record: view Robert Dale Arnold 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

Where does Robert Arnold practice?
The practice location on file with NPPES is in Marion, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Robert Arnold?
The National Provider Identifier (NPI) for Robert Arnold is 1891915609, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2017-04-05.