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

Leona Rose Mason, FNP

Individual provider Family Nurse Practitioner · NPI 1396070512

Leona Rose Mason, FNP is a Nurse Practitioner in Sylmar, California. Qualified in 2008, 18 years ago. Practices with County of Los Angeles, a 390-clinician group and accepts Medicare assignment. Licensed in California and Maryland.

Years since qualifying
18
Licensed in
CA, MD
In the registry since
2009
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

14445 Olive View Dr Rm 6B119H Olive View Ucla Medical Center Medical Staff Ofc
Sylmar, CA 91342
Phone: (818) 364-3205
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 18607 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence R174895 (MD)

Record details

NPI number1396070512
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedOctober 6, 2009
Last updated in NPPESOctober 12, 2011

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice County Of Los Angeles — 390 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Sylmar