MRS. KATIE T NGUYEN FNP
NPI 1851839880
Nurse Practitioner in Downey, CA

Q: What is Katie Nguyen's NPI number?

The NPI number for Katie Nguyen is 1851839880. It was assigned to this individual provider in the NPPES registry on February 10, 2017.

Q: What is Katie Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Katie Nguyen was last updated on February 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since February 10, 2017PECOS Enrolled

11942 PARAMOUNT BLVD, STE B, DOWNEY, CA 90242(562) 923-6060(562) 923-6601 Get Directions Write a Review

NPPES record last updated: February 17, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 17, 2017, Feb 10, 2017 (2 updates tracked since 2017).

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About Mrs. Katie T Nguyen Fnp NPPES

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

MRS. KATIE T NGUYEN FNP (NPI 1851839880) is an individual nurse practitioner in Downey, California, licensed in California (95005943) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851839880

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. KATIE T NGUYENCredential: FNP

Location Address11942 PARAMOUNT BLVD, STE BDowney, CA 90242-2306

Mailing Address1617 Haven LnSanta Ana, CA 92703-1273

Phone(562) 923-6060

Fax(562) 923-6601

Sole ProprietorNo

Enumeration DateFebruary 10, 2017

Last NPPES UpdateFebruary 17, 20172 updates tracked since enumeration

✔ NPI 1851839880 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 · 95005943

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.

11942 PARAMOUNT BLVD, Downey, CA 90242

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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)

Mrs. Katie T Nguyen Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Katie Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

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

Saetrum Opgaard MD Inc

16 mi

Endocrinology, Diabetes & Metabolism

9191 WESTMINSTER AVE STE 207
Garden Grove, CA 92844

Reassigned Medicare billing, California enrollment
6 clinicians in this Medicare group

NPI 1417197997 (714) 786-5794

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 8

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

YUNJI ANNIE KIM NP

Nurse Practitioner (Primary Care)

11942 PARAMOUNT BLVD
DOWNEY, CA 90242

Los Angeles County (562) 923-6060

MARIBEL BRAND DDS

Dentist

11942 PARAMOUNT BLVD, SUITE A
DOWNEY, CA 90242

Los Angeles County (562) 904-6930

DR. JULIAN DAVID RESTREPO CASTRILLON DDS

Dentist

11942 PARAMOUNT BLVD
DOWNEY, CA 90242

Los Angeles County (562) 904-6930

ALESSANDRA ADAMO

Nurse Practitioner

11942 PARAMOUNT BLVD
DOWNEY, CA 90242

Los Angeles County (323) 585-8876

MARIBEL BRAND DDS INC

Dentist

11942 PARAMOUNT BLVD
DOWNEY, CA 90242

Los Angeles County (562) 392-2625

WENDY THU NGUYEN PA-C

Physician Assistant (Medical)

11942 PARAMOUNT BLVD
DOWNEY, CA 90242

Los Angeles County (562) 923-6060

EBONY NICOLE BANKHEAD FNP

Nurse Practitioner (Family)

11942 PARAMOUNT BLVD
DOWNEY, CA 90242

Los Angeles County (562) 923-6060

AME MEDICAL GROUP INC

Family Medicine

11942 PARAMOUNT BLVD, SUITE 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 Katie Nguyen's NPI number?

The NPI number for Katie Nguyen is 1851839880. It was assigned to this individual provider in the NPPES registry on February 10, 2017.

Where is Katie Nguyen located?

Katie Nguyen practices at 11942 Paramount Blvd Ste B, Downey, CA 90242. The listed phone number is (562) 923-6060.

What is Katie Nguyen's specialty?

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

Is Katie Nguyen enrolled in Medicare?

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

Which organizations bill Medicare for Katie Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katie Nguyen reassigns Medicare benefits to 2 organizations: Ame Medical Group Inc (Downey, CA) and Saetrum Opgaard MD Inc (Garden Grove, CA). Each 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 Katie 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 Katie Nguyen was last updated on February 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.