Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew J Weiss, MD

Surgical Oncology Physician in New Hyde Park, NY · enumerated 2006 · practices at Critical Care Nursing Agency, LLC.

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

National Provider Identifier

1568416618

Verified

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Registry record

Entity type Individual (Type 1)

Name Matthew J Weiss

Credential MD

Sex Male

Practice address 1111 Marcus Ave, New Hyde Park, NY, 11042

Phone (516) 321-2239

Enumeration date May 22, 2006

Last updated in NPPES Feb 27, 2019

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 224660 (MA) Secondary

2086X0206X Surgical Oncology Physician Allopathic & Osteopathic Physicians · License D73814 (MD) Secondary

2086X0206X Surgical Oncology Physician Allopathic & Osteopathic Physicians · License 256179 (NY) Primary

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

Other identifiers

Identifier	Type	State	Issuer
2114003	Medicaid	MA	-
J29775	Other	MA	BLUE SHIELD
055404900	Medicaid	MD	-

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 Matthew Weiss?

The National Provider Identifier (NPI) for Matthew Weiss is 1568416618, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Weiss practice?

The practice location on file with NPPES is in New Hyde Park, 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 2019-02-27.