NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Doreit S Bialer, M.A.,O.T.R.

Occupational Therapist in Bayville, NY · enumerated 2012.

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

National Provider Identifier

1578825774

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Registry record

Entity type Individual (Type 1)
Name Ms. Doreit S Bialer
Credential M.A.,O.T.R.
Sex Female
Practice address Bayville, NY, 11709
Enumeration date Jun 13, 2012
Last updated in NPPES Jun 13, 2012

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 001989 (NY) Primary

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 Doreit Bialer?
The National Provider Identifier (NPI) for Doreit Bialer is 1578825774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Doreit Bialer practice?
The practice location on file with NPPES is in Bayville, 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 2012-06-13.