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KATIE DA THAO NGUYEN RN, FNP
NPI 1760263636
Nurse Practitioner - Family in Rancho Santa Margarita, CA

Active since October 09, 2023PECOS Enrolled
1 SEACOUNTRY LN, RANCHO SANTA MARGARITA, CA 92688(949) 292-4873 Get Directions Write a Review

NPPES record last updated: October 9, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katie Da Thao Nguyen Rn, Fnp NPPES

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

KATIE DA THAO NGUYEN RN, FNP (NPI 1760263636) is an individual family provider in Rancho Santa Margarita, California, licensed in California (95027285) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760263636
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATIE DA THAO NGUYENCredential: RN, FNP
Location Address1 SEACOUNTRY LNRancho Santa Margarita, CA 92688-5535
Mailing Address1 Seacountry LnRancho Santa Margarita, CA 92688-5535 · (949) 292-4873
Phone(949) 292-4873
Sole ProprietorYes
Enumeration DateOctober 9, 2023
NPPES CertifiedOctober 4, 2023
✔ NPI 1760263636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95027285
1 SEACOUNTRY LN, Rancho Santa Margarita, CA 92688
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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)

Katie Da Thao Nguyen Rn, 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 Reassignment

Medicare enrollment records show Katie Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Minghsun Liu, M.D., PC
54 mi
Infectious Disease
11103 VENICE BLVD
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Minghsun Liu MD PC
  • 95 clinicians in this Medicare group
NPI 1518309368 (954) 923-7440

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 92688 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.

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 1760263636. It was assigned to this individual provider in the NPPES registry on October 9, 2023.

Where is Katie Nguyen located?

Katie Nguyen practices at 1 Seacountry Ln, Rancho Santa Margarita, CA 92688. The listed phone number is (949) 292-4873.

What is Katie Nguyen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Katie Nguyen enrolled in Medicare?

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

Which organization bills Medicare for Katie Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katie Nguyen reassigns Medicare benefits to Minghsun Liu, M.D., PC (Los Angeles, 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 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 October 9, 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.