Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Delta Leonard, RN

Registered Nurse in Tarrytown, NY · enumerated 2011 · practices at John B Robbins MD PC.

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

National Provider Identifier

1588944540

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Registry record

Entity type Individual (Type 1)

Name Delta Leonard

Credential RN

Sex Female

Practice address 303 S Broadway, Suite 321, Tarrytown, NY, 10591

Phone (914) 631-1611

Fax (914) 524-7661

Enumeration date Aug 23, 2011

Last updated in NPPES Aug 23, 2011

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 516427 (NY) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Delta Leonard?

The National Provider Identifier (NPI) for Delta Leonard is 1588944540, a Type 1 (individual) record in the CMS NPPES registry.

Where does Delta Leonard practice?

The practice location on file with NPPES is in Tarrytown, 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 2011-08-23.