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DENNIS NGUYEN LCSW
NPI 1740671965
Social Worker - Clinical in Chicago, IL

Active since February 10, 2015Opted out of Medicare · through Sep 26, 2026
333 N MICHIGAN AVE STE 704, CHICAGO, IL 60601(224) 707-0633 Get Directions Write a Review

NPPES record last updated: April 26, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 26, 2018, Apr 10, 2018 (2 updates tracked since 2018).

About Dennis Nguyen Lcsw NPPES

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

DENNIS NGUYEN LCSW (NPI 1740671965) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149019184) and active in the NPI registry since February 2015. He has opted out of Medicare through September 26, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1740671965
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameDENNIS NGUYENCredential: LCSW
Location Address333 N MICHIGAN AVE STE 704Chicago, IL 60601-3905
Mailing Address433 W Harrison St # 5409Chicago, IL 60699-3916 · (224) 707-0633
Phone(224) 707-0633
Sole ProprietorYes
Enumeration DateFebruary 10, 2015
Last NPPES UpdateApril 26, 20182 updates tracked since enumeration
✔ NPI 1740671965 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 IL · 149019184
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.
333 N MICHIGAN AVE STE 704, Chicago, IL 60601
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dennis Nguyen Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 26, 2018 through September 26, 2026.

Opt-Out Effective DateSeptember 26, 2018
Opt-Out In Effect ThroughSeptember 26, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60601 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 $60.08 – $183.39
Typical copayment $0.00 (range $15.02 – $45.84)
Most-billed visit code NA
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $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.

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.

KENZO SHIBATA
Social Worker
333 N MICHIGAN AVE STE 704
CHICAGO, IL 60601
Cook County (312) 715-8234
TIFFANY FANG LPC
Counselor (Professional)
333 N MICHIGAN AVE STE 704
CHICAGO, IL 60601
Cook County (312) 715-8234
MS. SARAH A. SUZUKI LCSW, CADC
Social Worker (Clinical)
333 N MICHIGAN AVE STE 704
CHICAGO, IL 60601
Cook County (312) 715-8234
HEARTH FIRE COUNSELING LLC
Social Worker (Clinical)
333 N MICHIGAN AVE STE 704
CHICAGO, IL 60601
Cook County (224) 707-0633
JUNRU WANG LSW
Social Worker (Clinical)
333 N MICHIGAN AVE STE 704
CHICAGO, IL 60601
Cook County (312) 715-8234
ELIZABETH YOO-LAE CHO MA, LPC, ATR-P
Counselor (Professional)
333 N MICHIGAN AVE STE 704
CHICAGO, IL 60601
Cook County (312) 715-8234

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 Dennis Nguyen's NPI number?

The NPI number for Dennis Nguyen is 1740671965. It was assigned to this individual provider in the NPPES registry on February 10, 2015.

Where is Dennis Nguyen located?

Dennis Nguyen practices at 333 N Michigan Ave Ste 704, Chicago, IL 60601. The listed phone number is (224) 707-0633.

What is Dennis Nguyen's specialty?

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

Is Dennis Nguyen enrolled in Medicare?

No. Dennis Nguyen has opted out of Medicare through September 26, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Dennis Nguyen accept?

Health plans from UnitedHealthcare list Dennis Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dennis Nguyen was last updated on April 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.