Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Irving Weitzen, D.O.

Surgery Physician in Sleepy Hollow, NY · enumerated 2006.

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

National Provider Identifier

1255350054

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Registry record

Entity type Individual (Type 1)

Name Michael Irving Weitzen

Credential D.O.

Sex Male

Practice address 777 N Broadway, Suite 204, Sleepy Hollow, NY, 10591

Phone (914) 631-3660

Fax (914) 631-0290

Enumeration date Jul 19, 2006

Last updated in NPPES Aug 6, 2008

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 218511 (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

Other identifiers

Identifier	Type	State	Issuer
0265578	Medicaid	NY	-

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 Michael Weitzen?

The National Provider Identifier (NPI) for Michael Weitzen is 1255350054, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Weitzen practice?

The practice location on file with NPPES is in Sleepy Hollow, 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 2008-08-06.