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

Isabelle Hsi-Lin Oka

Individual provider Acute Care Nurse Practitioner · NPI 1245181718

Isabelle Hsi-Lin Oka is a Nurse Practitioner in Los Angeles, California. Qualified in 2024, 2 years ago. Practices with The Regents of the University of California, a 43-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
2
Licensed in
CA
In the registry since
2026
Specialties on file
2
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Practice location Address checks out

757 Westwood Plz
Los Angeles, CA 90095-8358
Phone: (310) 825-9111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 95031007 (CA)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence 95031007 (CA)

Record details

NPI number1245181718
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedFebruary 9, 2026
Last updated in NPPESJune 1, 2026
Certification dateJune 1, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice The Regents Of The University Of California — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Los Angeles