Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Matthew P. Kusulas, MD

Pediatric Emergency Medicine (Pediatrics) Physician in Greenwich, CT · enumerated 2011.

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

National Provider Identifier

1144508300

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Registry record

Entity type Individual (Type 1)

Name Dr. Matthew P. Kusulas

Credential MD

Sex Male

Practice address 5 Perryridge Rd, Greenwich, CT, 06830

Phone (203) 863-3000

Enumeration date Jul 21, 2011

Last updated in NPPES Apr 21, 2025

Taxonomy & licenses

2080P0204X Pediatric Emergency Medicine (Pediatrics) Physician Allopathic & Osteopathic Physicians · License 264265 (NY) Secondary

2080P0204X Pediatric Emergency Medicine (Pediatrics) Physician Allopathic & Osteopathic Physicians · License 80020 (CT) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Matthew Kusulas?

The National Provider Identifier (NPI) for Matthew Kusulas is 1144508300, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Kusulas practice?

The practice location on file with NPPES is in Greenwich, CT. 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 2025-04-21.