Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Arthur Chester Groves IV, MD
Diagnostic Radiology Physician in Miami, FL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821065459
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1821065459 | Other | AZ | PHYSICIAN INDIVIDUAL NPI |
| 1841261989 | Other | AZ | GROUP NPI |
| CS7943 | Other | AZ | MEDICARE RAILROAD GROUP ID |
| ME123824 | Other | FL | FLORIDA MEDICAL LICENSE |
| CS7943 | Other | AZ | GROUP MEDICARE RAILROAD ID & PTAN |
| P00318827 | Other | AZ | MEDICARE RAILROAD |
| 087520 | Medicaid | AZ | - |
| 005472 | Other | AZ | GROUP MEDICAID ID |
| ZWCBBM | Other | AZ | MEDICARE GROUP ID |
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.
Frequently asked questions
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-28.