Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert Mandelbaum, CASAC

Addiction (Substance Use Disorder) Counselor in Shirley, NY · enumerated 2007.

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

National Provider Identifier

1205035540

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Registry record

Entity type Individual (Type 1)

Name Robert Mandelbaum

Credential CASAC

Sex Male

Practice address 151 Parkwood Dr, Shirley, NY, 11967

Phone (631) 543-6200

Enumeration date Jul 17, 2007

Last updated in NPPES Apr 5, 2010

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 12388 (NY) Primary

Other identifiers

Identifier	Type	State	Issuer
02249145	Other	NY	CASAC

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 Robert Mandelbaum?

The National Provider Identifier (NPI) for Robert Mandelbaum is 1205035540, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Mandelbaum practice?

The practice location on file with NPPES is in Shirley, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-05.