Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leonidas W Raisis, MD

Orthopaedic Surgery Physician in Newark, DE · enumerated 2006 · practices at First State Orthopaedics, PA.

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

National Provider Identifier

1629058540

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Registry record

Entity type Individual (Type 1)

Name Leonidas W Raisis

Credential MD

Sex Male

Practice address 4745 Ogletown Stanton Rd Ste 225, Newark, DE, 19713

Phone (302) 731-2888

Fax (302) 731-7049

Enumeration date Jan 18, 2006

Last updated in NPPES Jan 25, 2024

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License CI0002996 (DE) Primary

207XS0114X Adult Reconstructive Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License CI0002996 (DE) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 Leonidas Raisis?

The National Provider Identifier (NPI) for Leonidas Raisis is 1629058540, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leonidas Raisis practice?

The practice location on file with NPPES is in Newark, DE. 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 2024-01-25.