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DUI CHEN LCSW
NPI 1881001188
Social Worker - Clinical in San Mateo, CA

Active since July 18, 2014Opted out of Medicare · through Dec 1, 2027
1700 S AMPHLETT BLVD STE 250I, SAN MATEO, CA 94402(650) 257-0379 Get Directions Write a Review

NPPES record last updated: February 17, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 17, 2020, Feb 15, 2020, Nov 4, 2019 and 1 more (4 updates tracked since 2019).

About Dui Chen Lcsw NPPES

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

DUI CHEN LCSW (NPI 1881001188) is an individual clinical provider in San Mateo, California and active in the NPI registry since July 2014. She has opted out of Medicare through December 1, 2027.

NPPES Registry Identity

NPI1881001188
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDUI CHENCredential: LCSW
Location Address1700 S AMPHLETT BLVD STE 250ISan Mateo, CA 94402-2728
Mailing AddressPo Box 352San Mateo, CA 94401-0352 · (650) 257-0379
Phone(650) 257-0379
Sole ProprietorYes
Enumeration DateJuly 18, 2014
Last NPPES UpdateFebruary 17, 20204 updates tracked since enumeration
✔ NPI 1881001188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
1700 S AMPHLETT BLVD STE 250I, San Mateo, CA 94402
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Other Names 1

Professional Name (2)Dora Dui Chen Lcsw

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dui Chen 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 December 1, 2023 through December 1, 2027.

Opt-Out Effective DateDecember 1, 2023
Opt-Out In Effect ThroughDecember 1, 2027Opt-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 94402 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 $69.00 – $202.35
Typical copayment $0.00 (range $17.25 – $50.58)
Most-billed visit code NA
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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

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

MR. MITCHELL ECKSTEIN LCSW
Social Worker (Clinical)
1700 S AMPHLETT BLVD STE 250I
SAN MATEO, CA 94402
San Mateo County (650) 458-7920

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 Dui Chen's NPI number?

The NPI number for Dui Chen is 1881001188. It was assigned to this individual provider in the NPPES registry on July 18, 2014. The provider is also known as Dora Dui Chen Lcsw.

Where is Dui Chen located?

Dui Chen practices at 1700 S Amphlett Blvd Ste 250I, San Mateo, CA 94402. The listed phone number is (650) 257-0379.

What is Dui Chen's specialty?

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

Is Dui Chen enrolled in Medicare?

No. Dui Chen has opted out of Medicare through December 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Dui Chen was last updated on February 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.