Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Bridget O'Sullivan
School Counselor in Danville, CA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1376261107
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Registry record
Entity type Individual (Type 1)
Name Bridget O'Sullivan
Sex Female
Practice address 699 Old Orchard Dr, Danville, CA, 94526
Phone (925) 552-5500
Enumeration date Aug 18, 2022
Last updated in NPPES Aug 29, 2025
Taxonomy & licenses
101YS0200X School Counselor Behavioral Health & Social Service Providers · License 250200160 (CA) 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.
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 Bridget O'Sullivan?
Bridget O'Sullivan is registered in NPPES with the primary taxonomy of School 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 → Anju Lashkari School Registered Nurse · Danville, CA NPI 1932121902 Sarah Reardon School Counselor · Danville, CA NPI 1316096902 Leah Monroe Clinical Social Worker · Danville, CA NPI 1811028459 Graziella Awabdy School Psychologist · Danville, CA NPI 1407089311 Courtney Hunt School Psychologist · Danville, CA NPI 1548607625 Debra Prado School Psychologist · Danville, CA NPI 1467824268 San Ramon Valley Unified School District Local Education Agency (LEA) · Danville, CA NPI 1790530483 Evan Hung School Psychologist · Danville, CA NPI 1205715018
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-29.