Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark C Rummel, M.D.
Vascular Surgery Physician in Kalamazoo, MI · enumerated 2006.
Data current as of Jul 11, 2026 · sourced from CMS NPPES
National Provider Identifier
1285698134
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 5895175 | Other | MI | AETNA |
| 4618338 | Medicaid | MI | — |
| 37-30033 | Other | MI | IBA |
| P111970 | Other | MI | BLUE CARE NETWORK |
| 1285698134 | Medicaid | MI | — |
| 1417961137 | Other | MI | BCBSM - BMH |
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 2026-07-11. Provider record last updated 2024-06-26.