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WENDY THI NGUYEN BSW, MSW, LCSW
NPI 1639555188
Social Worker - Clinical in Rancho Cordova, CA

Active since August 07, 2015PECOS Enrolled
5121 AZALEA PARK WAY, RANCHO CORDOVA, CA 95742(209) 505-8723 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Wendy Thi Nguyen Bsw, Msw, Lcsw NPPES

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

WENDY THI NGUYEN BSW, MSW, LCSW (NPI 1639555188) is an individual clinical provider in Rancho Cordova, California, licensed in California (127651) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1639555188
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameWENDY THI NGUYENCredential: BSW, MSW, LCSW
Location Address5121 AZALEA PARK WAYRancho Cordova, CA 95742-8195
Mailing Address5121 Azalea Park WayRancho Cordova, CA 95742-8195 · (209) 505-8723
Phone(209) 505-8723
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateAugust 7, 2015
Last NPPES UpdateJuly 31, 2025
NPPES CertifiedJuly 31, 2025
✔ NPI 1639555188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 127651
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
5121 AZALEA PARK WAY, Rancho Cordova, CA 95742
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Wendy Thi Nguyen Bsw, Msw, Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID840754446
PECOS Enrollment IDI20260715000233
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Wendy Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sud Specialty Group - Ca
88 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95742 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $60.44 – $180.85
Typical copayment $0.00 (range $15.11 – $45.21)
Most-billed visit code NA
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Wendy Nguyen's NPI number?

The NPI number for Wendy Nguyen is 1639555188. It was assigned to this individual provider in the NPPES registry on August 7, 2015.

Where is Wendy Nguyen located?

Wendy Nguyen practices at 5121 Azalea Park Way, Rancho Cordova, CA 95742. The listed phone number is (209) 505-8723.

What is Wendy Nguyen's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Wendy Nguyen enrolled in Medicare?

Yes. Wendy Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Wendy Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Nguyen reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Wendy Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Wendy Nguyen was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.