Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

SIENNA GUZMAN
NPI 1659285310
Occupational Therapist in Modesto, CA

Active since September 30, 2026
1224 SCENIC DR, MODESTO, CA 95350(800) 380-9366 Get Directions Write a Review

NPPES record added: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Sienna Guzman NPPES

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

SIENNA GUZMAN (NPI 1659285310) is an individual occupational therapist in Modesto, California, licensed in California (24306) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1659285310
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameSIENNA GUZMAN
Location Address1224 SCENIC DRModesto, CA 95350-6137
Mailing Address3017 Estate DrStockton, CA 95209-1177
Sole ProprietorYes
Enumeration DateSeptember 30, 2026
NPPES CertifiedSeptember 30, 2026
✔ NPI 1659285310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in CA · 24306
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
1224 SCENIC DR, Modesto, CA 95350

Other Providers at the Same Location NPPES 8

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

Family Medicine
1224 SCENIC DR
MODESTO, CA 95350
Internal Medicine
1224 SCENIC DR
MODESTO, CA 95350
Internal Medicine
1224 SCENIC DR
MODESTO, CA 95350
Nurse Practitioner
1224 SCENIC DR
MODESTO, CA 95350
Nurse Practitioner (Family)
1224 SCENIC DR
MODESTO, CA 95350
Nurse Practitioner (Family)
1224 SCENIC DR
MODESTO, CA 95350
Nurse Practitioner (Family)
1224 SCENIC DR
MODESTO, CA 95350
Nurse Practitioner
1224 SCENIC DR
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 Sienna Guzman's NPI number?

The NPI number for Sienna Guzman is 1659285310. It was assigned to this individual provider in the NPPES registry on September 30, 2026.

Where is Sienna Guzman located?

Sienna Guzman practices at 1224 Scenic Dr, Modesto, CA 95350. The listed phone number is (800) 380-9366.

What is Sienna Guzman's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

When was this NPI record last updated?

The NPPES record for Sienna Guzman was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.