What is Sean O'Sullivan's NPI number?

Sean O'Sullivan's National Provider Identifier (NPI) is 1063308534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sean O'Sullivan's specialty?

Sean O'Sullivan is listed in the NPPES registry with a primary specialty of Day Training/Habilitation Specialist (Nursing Service Related Providers).

Where is Sean O'Sullivan located?

Sean O'Sullivan's practice location on file with NPPES is 1911 Williams Dr Ste 165, Oxnard, CA 93036-2612.

What is Sean O'Sullivan's phone number?

The practice phone number listed in the NPPES registry for Sean O'Sullivan is (805) 981-6830.

Is Sean O'Sullivan's NPI active?

Yes — Sean O'Sullivan's NPI (1063308534) is active in the NPPES registry as of the last update on 2025-06-13.

IndividualActive

Sean O'Sullivan

NPI 1063308534 · Day Training/Habilitation Specialist · Oxnard, CA

Sean O'Sullivan is a Day Training/Habilitation Specialist provider in Oxnard, CA (NPI 1063308534).

Provider details

NPI number: 1063308534
Entity type: Individual
Primary specialty: Day Training/Habilitation SpecialistNursing Service Related Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Day Training/Habilitation SpecialistPrimary373H00000X
Nursing Service Related Providers

Profile Score

Basic profile(48/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1911 Williams Dr Ste 165

Oxnard, CA 93036-2612

Phone: (805) 981-6830

Street-level locationGet directions

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Mailing address