Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Simona Chadi Katsman, DO

Pediatrics Physician in Great Neck, NY · enumerated 2021.

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

National Provider Identifier

1811570666

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Registry record

Entity type Individual (Type 1)

Name Simona Chadi Katsman

Credential DO

Sex Female

Practice address Po Box 234628, Great Neck, NY, 11023

Phone (516) 286-9544

Enumeration date Apr 29, 2021

Last updated in NPPES Jul 22, 2026

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 332291 (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

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 Simona Katsman?

The National Provider Identifier (NPI) for Simona Katsman is 1811570666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Simona Katsman practice?

The practice location on file with NPPES is in Great Neck, 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 2026-07-22.