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

MS. Sandra Leija Valenzuela, NP-C

Individual provider Nurse Practitioner · NPI 1356657993

MS. Sandra Leija Valenzuela, NP-C is a Nurse Practitioner in Fontana, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

9961 Sierra Ave
Fontana, CA 92335-6720
Phone: (909) 427-5000
Fax: (909) 427-4670
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NP 18501 (CA)

Record details

NPI number1356657993
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorYes
NPI enumeratedAugust 20, 2010
Last updated in NPPESOctober 23, 2021
Certification dateOctober 23, 2021

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