Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum
Mark H. Weinstein, MD PC
Plastic Surgery Physician in New Haven, CT · enumerated 2009 · authorized official Mark Weinstein, President.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023256690
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Registry record
Taxonomy & classification
Authorized official
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 010018620CT01 | Other | - | ANTHEM |
| 001186204 | Medicaid | CT | - |
| 020021073 | Other | CT | RAILROAD MEDICARE |
| 240000035 | Other | - | MEDICARE |
| 0Q0135 | Other | - | HEALTHNET |
| 186200 | Other | - | CTCARE |
| NHS110 | 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.
Frequently asked questions
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Providers at this address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-02-04.