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

Dr. Steven J. Eisner, D.O.

Family Medicine Physician in Lloyd Harbor, NY · enumerated 2012.

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

National Provider Identifier

1407112378

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Registry record

Entity type Individual (Type 1)

Name Dr. Steven J. Eisner

Credential D.O.

Sex Male

Practice address Lloyd Harbor, NY, 11743

Phone (631) 385-8590

Enumeration date Apr 5, 2012

Last updated in NPPES Apr 5, 2012

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

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 60-136839 (NY) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
60-136839	Other	NY	NYS LICENSE #

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 Steven Eisner?

The National Provider Identifier (NPI) for Steven Eisner is 1407112378, a Type 1 (individual) record in the CMS NPPES registry.

Where does Steven Eisner practice?

The practice location on file with NPPES is in Lloyd Harbor, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-04-05.