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

Dr. John Matthew Sawicki, D.O.

Q: What is the NPI number for John Sawicki?

The National Provider Identifier (NPI) for John Sawicki is 1578772810, a Type 1 (individual) record in the CMS NPPES registry.

Child & Adolescent Psychiatry Physician in Manhasset, NY · enumerated 2007.

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

National Provider Identifier

1578772810

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Registry record

Entity type Individual (Type 1)

Name Dr. John Matthew Sawicki

Credential D.O.

Sex Male

Practice address Manhasset, NY, 11030

Phone (516) 562-9320

Enumeration date May 22, 2007

Last updated in NPPES Sep 11, 2025

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

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 235866 (NY) Secondary

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License 235866 (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.

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Frequently asked questions

What is the NPI number for John Sawicki?

The National Provider Identifier (NPI) for John Sawicki is 1578772810, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Sawicki practice?

The practice location on file with NPPES is in Manhasset, 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 2025-09-11.