1. Home
  2. Directory
  3. California
  4. Downey
  5. Nurse Practitioner
  6. NPI Profile

ZIAN CHEN AGACNP
NPI 1487476727
Nurse Practitioner - Acute Care in Downey, CA

Active since October 28, 2024PECOS Enrolled
11942 PARAMOUNT BLVD STE B, DOWNEY, CA 90242(650) 216-8381 Get Directions Write a Review

NPPES record last updated: March 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Zian Chen Agacnp NPPES

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

ZIAN CHEN AGACNP (NPI 1487476727) is an individual acute care provider in Downey, California, licensed in California (95033455) and active in the NPI registry since October 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1487476727
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameZIAN CHENCredential: AGACNP
Location Address11942 PARAMOUNT BLVD STE BDowney, CA 90242-2306
Mailing Address1243 S Olive St Apt 421Los Angeles, CA 90015-3779 · (650) 216-8381
Phone(650) 216-8381
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateOctober 28, 2024
Last NPPES UpdateMarch 12, 2025
NPPES CertifiedMarch 12, 2025
✔ NPI 1487476727 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
Licenses✔ Licensed in CA · 95033455✔ Licensed in TX · 1100293
11942 PARAMOUNT BLVD STE B, Downey, CA 90242
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Zian Chen Agacnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7517448574
PECOS Enrollment IDI20260226004211
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 Zian Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ame Medical Group Inc
Same address
Family Medicine
11942 PARAMOUNT BLVD, SUITE B
Downey, CA 90242
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group
NPI 1861711863 (562) 923-6060

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 90242 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 7

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

TUYET PHUONG THI NGUYEN NP
Nurse Practitioner (Family)
11942 PARAMOUNT BLVD STE B
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
NARKAR HEALTH FOUNDATION
Clinic/Center (Urgent Care)
11942 PARAMOUNT BLVD STE B
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
AME MANAGEMENT FIRM, INC.
Home Health
11942 PARAMOUNT BLVD STE B
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
JEREMIE ANNE QUILALA LIU FNP-BC
Nurse Practitioner (Family)
11942 PARAMOUNT BLVD STE B
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
TONY NGUYEN FNP-C
Nurse Practitioner (Family)
11942 PARAMOUNT BLVD STE B
DOWNEY, CA 90242
Los Angeles County (562) 923-6601
BUBBLES ARMAS MENESES NP
Nurse Practitioner (Primary Care)
11942 PARAMOUNT BLVD STE B
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
SOLINDA CLAUDIO NP
Nurse Practitioner (Family)
11942 PARAMOUNT BLVD STE B
DOWNEY, CA 90242
Los Angeles County (562) 923-6060

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 Zian Chen's NPI number?

The NPI number for Zian Chen is 1487476727. It was assigned to this individual provider in the NPPES registry on October 28, 2024.

Where is Zian Chen located?

Zian Chen practices at 11942 Paramount Blvd Ste B, Downey, CA 90242. The listed phone number is (650) 216-8381.

What is Zian Chen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Zian Chen enrolled in Medicare?

Yes. Zian Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Zian Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zian Chen reassigns Medicare benefits to Ame Medical Group Inc (Downey, 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 Zian Chen'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 Zian Chen was last updated on March 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.