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Robert B Ostroff, MD

Psychiatry Physician in Hamden, CT · enumerated 2006.

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

National Provider Identifier

1477567840

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Registry record

Entity type Individual (Type 1)
Name Robert B Ostroff
Credential MD
Sex Male
Practice address 60 Washington Ave, Suite 304, Hamden, CT, 06518
Phone (203) 281-2890
Fax (203) 281-2896
Enumeration date Jul 28, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 019406 (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.

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Frequently asked questions

What is the NPI number for Robert Ostroff?
The National Provider Identifier (NPI) for Robert Ostroff is 1477567840, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Ostroff practice?
The practice location on file with NPPES is in Hamden, CT. 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 2007-07-08.