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THUYLIEN CHAU FNP
NPI 1063104248
Nurse Practitioner in Paramount, CA

Active since May 24, 2023PECOS EnrolledAccepts Medicare Assignment
14023 PARAMOUNT BLVD, PARAMOUNT, CA 90723(562) 286-6815 Get Directions Write a Review

NPPES record last updated: May 24, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Thuylien Chau Fnp NPPES

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

THUYLIEN CHAU FNP (NPI 1063104248) is an individual nurse practitioner in Paramount, California, licensed in California (95025314) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1063104248
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameTHUYLIEN CHAUCredential: FNP
Location Address14023 PARAMOUNT BLVDParamount, CA 90723-2605
Mailing Address20599 Peaceful Woods DrDiamond Bar, CA 91789-4020 · (616) 401-9687
Phone(562) 286-6815
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 24, 2023
NPPES CertifiedMay 24, 2023
✔ NPI 1063104248 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95025314
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
14023 PARAMOUNT BLVD, Paramount, CA 90723
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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 and accepts Medicare assignment

Thuylien Chau Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921462284
PECOS Enrollment IDI20230919004047
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 Thuylien Chau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Excell Integrated Medical Group Inc
Same address
Family Medicine
14023 PARAMOUNT BLVD
Paramount, CA 90723
  • Reassigned Medicare billing, California enrollment
  • 34 clinicians in this Medicare group
NPI 1659909521 (562) 286-6815

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
851 services135 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
336 services74 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90723 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 10

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

DANIEL KWON DO INC
Family Medicine (Geriatric Medicine)
14023 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Los Angeles County (323) 961-0586
EXCELL DRIP BAR INC
Clinic/Center (Infusion Therapy)
14023 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Los Angeles County (562) 988-3370
KENDRA RICKARD FNP-BC
Nurse Practitioner (Family)
14023 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Los Angeles County (562) 988-3370
ERVIN DE GUZMAN FNP
Nurse Practitioner (Family)
14023 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Los Angeles County (562) 787-1027
DANIEL KWON DO
Family Medicine (Geriatric Medicine)
14023 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Los Angeles County (562) 286-6815
EXCELL INTEGRATED MEDICAL GROUP INC
Family Medicine
14023 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Los Angeles County (562) 286-6815
JENNIFER O TY-DE GUZMAN MSN, FNP,DNP,PMHNP
Registered Nurse (Home Health)
14023 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Los Angeles County (562) 988-3370
DR. KRISTOFFER TOLENTINO CHIN DO
Family Medicine
14023 PARAMOUNT BLVD
PARAMOUNT, CA 90723
Los Angeles County (562) 286-6815

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 Thuylien Chau's NPI number?

The NPI number for Thuylien Chau is 1063104248. It was assigned to this individual provider in the NPPES registry on May 24, 2023.

Where is Thuylien Chau located?

Thuylien Chau practices at 14023 Paramount Blvd, Paramount, CA 90723. The listed phone number is (562) 286-6815.

What is Thuylien Chau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Thuylien Chau enrolled in Medicare?

Yes. Thuylien Chau is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Thuylien Chau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thuylien Chau reassigns Medicare benefits to Excell Integrated Medical Group Inc (Paramount, 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 Thuylien Chau'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 Thuylien Chau was last updated on May 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.