Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum
North Coast Medical Associates Pllc
Family Medicine Physician in Port Washington, NY · enumerated 2007 · authorized official Anna Siasoco, Owner.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821294711
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Registry record
Taxonomy & classification
Authorized official
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3363P1 | Other | NY | BLUE CROSS BLUE SHIELD |
| 6C0603 | Other | NY | HEALTH NET OF NORTHEAST |
| SA6459 | Other | NY | ATLANTIS |
| P3698445 | Other | NY | OXFORD |
| 5880458 | Other | NY | CIGNA |
| 5995775 | Other | NY | GHI |
| AA73558A | Other | NY | MDNY |
| 286811P | Other | NM | HIP |
| 9412517 | Other | NY | PHCS |
| 051903998 | Other | NY | MAGNACARE |
| 2554307 | Other | NY | UHC |
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 2011-02-17.