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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Harvey I Estren, O.D.

Pediatric Optometrist in Lindenhurst, NY · enumerated 2005 · practices at Hossam Adham Medical PC.

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

National Provider Identifier

1407852684

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Registry record

Entity type Individual (Type 1)
Name Dr. Harvey I Estren
Credential O.D.
Sex Male
Practice address Lindenhurst, NY, 11757
Fax (631) 226-3169
Enumeration date Jun 22, 2005
Last updated in NPPES Jun 27, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152WC0802X Corneal and Contact Management Optometrist Eye and Vision Services Providers · License VUT 3256-1 NY (NY) Secondary
152WL0500X Low Vision Rehabilitation Optometrist Eye and Vision Services Providers · License VUT 3256-1 NY (NY) Secondary
152WP0200X Pediatric Optometrist Eye and Vision Services Providers · License VUT 3256-1 NY (NY) Primary
152WV0400X Vision Therapy Optometrist Eye and Vision Services Providers · License VUT-3256-1 NY (NY) Secondary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

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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Frequently asked questions

What is the NPI number for Harvey Estren?
The National Provider Identifier (NPI) for Harvey Estren is 1407852684, a Type 1 (individual) record in the CMS NPPES registry.
Where does Harvey Estren practice?
The practice location on file with NPPES is in Lindenhurst, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-27.