Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David M. Rinzler, M.D.
Pediatrics Physician in Gales Ferry, CT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225127616
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 001259100 | Medicaid | CT | - |
| 030706 | Other | - | HEALTH NET |
| 0108087 | Other | - | CIGNA |
| 010018087CT01 | Other | - | BLUE CROSS |
| 018087 | Other | - | CONNECTICARE |
| 1204345 | Other | - | UNITED HEALTH CARE |
| NLP018 | Other | - | OXFORD |
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 2013-01-25.