Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marco S Mazzella, MD
Cardiovascular Disease Physician in Grandview, MO · enumerated 2006 · practices at Grandview Pharmacy Services LLC.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033162219
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1033162219 | Medicaid | MO | - |
| 7563574 | Other | - | AETNA |
| A030 | Other | - | AETNA PPO |
| P00853573 | Other | MO | MEDICARE RAILROAD |
| 34436012 | Other | - | AETNA HMO |
| 7563574 | Other | - | BLUE SHIELD OF KC PPO |
| P000149535 | Other | - | RAILROAD MEDICARE |
| 431092652 | Other | - | TRICARE CHAMPUS |
| 7563574 | Other | - | BLUE SHIELD OF KC HMO |
| P01128616 | Other | MO | RAILROAD 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.
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-04.