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Ellen Sierra, P.A.

Physician Assistant in Oceanside, NY · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1790761732

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Registry record

Entity type Individual (Type 1)
Name Ellen Sierra
Credential P.A.
Sex Female
Practice address 1 Healthy Way, Oceanside, NY, 11572
Phone (516) 632-3900
Enumeration date Dec 21, 2005
Last updated in NPPES Jun 5, 2008

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 009114-1 (NY) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier Type State Issuer
P00103555 Other - RAILROAD

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Ellen Sierra?
The National Provider Identifier (NPI) for Ellen Sierra is 1790761732, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ellen Sierra practice?
The practice location on file with NPPES is in Oceanside, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-05.