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

MS. Elizabeth O'Brien, NP

Individual provider Nurse Practitioner · NPI 1942311055

MS. Elizabeth O'Brien, NP is a Nurse Practitioner in San Diego, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

16950 Via Tazon
San Diego, CA 92127-1607
Phone: (858) 499-2702
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Nurse Practitioner (primary) Taxonomy 363LX0001X · Licence RN494828 (CA)
Nurse Practitioner Taxonomy 363L00000X · Licence RN494828 (CA)

Record details

NPI number1942311055
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESSeptember 11, 2025

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