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

Nancy DO Nguyen Downey, NP

Individual provider Family Nurse Practitioner · NPI 1578051017

Nancy DO Nguyen Downey, NP is a Nurse Practitioner in El Cajon, California. Qualified in 2017, 9 years ago. Practices with Centro De Salud De La Comunidad De San Ysidro, Inc, a 291-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
9
Licensed in
CA
In the registry since
2018
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

875 El Cajon Blvd
El Cajon, CA 92020-5714
Phone: (626) 662-4100
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 95008318 (CA)

Record details

NPI number1578051017
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedApril 30, 2018
Last updated in NPPESAugust 7, 2025
Certification dateAugust 7, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Centro De Salud De La Comunidad De San Ysidro,Inc. — 291 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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