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

Oscar A Diaz, NP

Individual provider Adult Health Nurse Practitioner · NPI 1043980980

Oscar A Diaz, NP is a Nurse Practitioner in Mission Hills, California. Qualified in 2021, 5 years ago. Practices with El Proyecto Del Barrio Inc, a 28-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Licensed in
CA
In the registry since
2021
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

11133 N Sepulveda Blvd
Mission Hills, CA 91346
Phone: (818) 837-5785
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 95018402 (CA)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence 95018402 (CA)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence 95018402 (CA)

Record details

NPI number1043980980
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorYes
NPI enumeratedSeptember 13, 2021
Last updated in NPPESNovember 3, 2021
Certification dateNovember 3, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice El Proyecto Del Barrio Inc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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