Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mariann Oconnor, LVN

Individual provider Licensed Vocational Nurse · NPI 1609609098

Mariann Oconnor, LVN is a Licensed Vocational Nurse in Simi Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2024
What do these letters mean?
LVN — Licensed Vocational Nurse
The same role as an LPN; the title used in California and Texas.

See every abbreviation used in this directory →

Practice location Address checks out

4812 Promenade St
Simi Valley, CA 93063-0430
Phone: (805) 792-4581
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Licensed Vocational Nurse (primary) Taxonomy 164X00000X · Licence 208114 (CA)

Record details

NPI number1609609098
Entity typeIndividual (Type 1)
GenderFemale
Credentials LVN
Sole proprietorYes
NPI enumeratedAugust 22, 2024
Last updated in NPPESAugust 22, 2024
Certification dateAugust 22, 2024

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