Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Kimmel, M.D.
Hematology & Oncology Physician in Middletown, CT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447356522
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 36503 | Other | - | CHAMPUS |
| 533929 | Other | - | AETNA |
| 031390 | Other | CT | CONNECTICARE |
| 010031390CT03 | Other | CT | BLUECARE FAMILY PLAN |
| 0V1840 | Other | CT | HEALTHNET |
| P399969 | Other | - | OXFORD |
| 1313907 | Medicaid | CT | - |
| 010031390CT03 | Other | CT | ANTHEM |
| 0131390 | Other | - | UNITED HEALTHCARE |
| 830001803 | Other | CT | 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 2007-07-08.