Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SIERRA MARQUEZ
NPI 1174402796
Student in an Organized Health Care Education/Training Program in Modesto, CA

Active since August 28, 2025
500 N 9TH ST STE D, MODESTO, CA 95350(209) 558-4598 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Sierra Marquez NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIERRA MARQUEZ (NPI 1174402796) is an individual student in an organized health care education/training program in Modesto, California and active in the NPI registry since August 2025. She maintains a secondary practice location in Turlock.

NPPES Registry Identity

NPI1174402796
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameSIERRA MARQUEZ
Location Address500 N 9TH ST STE DModesto, CA 95350-5814
Mailing Address500 N 9th St Ste DModesto, CA 95350-5814 · (209) 558-4598
Sole ProprietorNo
Enumeration DateAugust 28, 2025
Last NPPES UpdateSeptember 17, 2026
NPPES CertifiedSeptember 17, 2026
✔ NPI 1174402796 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedAdult CompanionTaxonomy 372600000X
500 N 9TH ST STE D, Modesto, CA 95350

Secondary Practice Location 1

Location 12101 Geer Rd Ste 120Turlock, CA 95382-2456 · Phone (209) 664-8044

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Adult Companion
500 N 9TH ST STE D
MODESTO, CA 95350
Adult Companion
500 N 9TH ST STE D
MODESTO, CA 95350
Community/Behavioral Health
500 N 9TH ST STE D
MODESTO, CA 95350
Counselor (Professional)
500 N 9TH ST STE D
MODESTO, CA 95350
Adult Companion
500 N 9TH ST STE D
MODESTO, CA 95350
Student in an Organized Health Care Education/Training Program
500 N 9TH ST STE D
MODESTO, CA 95350

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sierra Marquez's NPI number?

The NPI number for Sierra Marquez is 1174402796. It was assigned to this individual provider in the NPPES registry on August 28, 2025.

Where is Sierra Marquez located?

Sierra Marquez practices at 500 N 9th St Ste D, Modesto, CA 95350. The listed phone number is (209) 558-4598.

What is Sierra Marquez's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Sierra Marquez was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.