NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Donna Jean Brennan-Barnett, CRC, CASAC

Rehabilitation Counselor in Hawthorne, NY · enumerated 2010.

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

National Provider Identifier

1447581491

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Donna Jean Brennan-Barnett
Credential CRC, CASAC
Sex Female
Practice address 265 Saw Mill River Rd, Hawthorne, NY, 10532
Fax (914) 328-3166
Enumeration date Jan 14, 2010
Last updated in NPPES Jan 14, 2010

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 22271 (NY) Secondary
225C00000X Rehabilitation Counselor Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 00084579 (IL) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Donna Brennan-Barnett?
Donna Brennan-Barnett is registered in NPPES with the primary taxonomy of Rehabilitation Counselor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-01-14.