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

KATARINA MARIE NGUYEN NP-C
NPI 1538700448
Nurse Practitioner in West Hollywood, CA

Active since October 02, 2019PECOS Enrolled
87.67/100
CMS Quality Rating
8700 BEVERLY BLVD, WEST HOLLYWOOD, CA 90048(310) 423-5000 Get Directions Write a Review

NPPES record last updated: August 21, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 21, 2020, Oct 2, 2019 (2 updates tracked since 2019).

About Katarina Marie Nguyen Np-c NPPES

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

KATARINA MARIE NGUYEN NP-C (NPI 1538700448) is an individual nurse practitioner in West Hollywood, California, licensed in California (95012522) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538700448
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKATARINA MARIE NGUYENCredential: NP-C
Location Address8700 BEVERLY BLVDWest Hollywood, CA 90048-1804
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Phone(310) 423-5000
Sole ProprietorYes
Enumeration DateOctober 2, 2019
Last NPPES UpdateAugust 21, 20202 updates tracked since enumeration
NPPES CertifiedAugust 21, 2020
✔ NPI 1538700448 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 · 95012522
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.
8700 BEVERLY BLVD, West Hollywood, CA 90048
Open in Google Maps ↗

Other Identifiers 3

Other95012522CA · California Board Of Registered Nursing
Other95012522CA · California Board Of Registered Nursing - Furnishing
OtherF06193034CA · American Academy Of Nurse Practitioners

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katarina Marie Nguyen Np-c 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 Katarina Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cedars-Sinai Medical Center
Same address
General Acute Care Hospital
8700 BEVERLY BLVD
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 1,001 clinicians in this Medicare group
NPI 1639172372 (323) 866-8600

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 90048 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.67/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.86
Promoting Interoperability99
Improvement Activities40
Cost49.42

Other Providers at the Same Location NPPES 20

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

DR. BERNICE LOUISE COLEMAN PH.D, ACNP-BC
Nurse Practitioner (Acute Care)
8700 BEVERLY BLVD, NORTH TOWER ROOM 6215
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-6178
DR. INGRID LEAH DOMBROWER M.D.
Psychiatry & Neurology (Psychiatry)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-2871
ELAINE WITTERT MSW
Social Worker (Clinical)
8700 BEVERLY BLVD, SUITE AC1002
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-3119
DR. KENAN MOHAMMED NADAR D.O.
Pediatrics
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4451
HAE YOON GRACE CHOUNG MD
Pathology (Anatomic Pathology & Clinical Pathology)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-6623
CASEY DISTASO MD
Emergency Medicine
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-8780
CHIARA CASAS NP
Nurse Practitioner (Pediatrics)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-3277
AUSTIN WU MD
Anesthesiology
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5841

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 Katarina Nguyen's NPI number?

The NPI number for Katarina Nguyen is 1538700448. It was assigned to this individual provider in the NPPES registry on October 2, 2019.

Where is Katarina Nguyen located?

Katarina Nguyen practices at 8700 Beverly Blvd, West Hollywood, CA 90048. The listed phone number is (310) 423-5000.

What is Katarina Nguyen's specialty?

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

Is Katarina Nguyen enrolled in Medicare?

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

Which organization bills Medicare for Katarina Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katarina Nguyen reassigns Medicare benefits to Cedars-Sinai Medical Center (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 Katarina 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 Katarina Nguyen was last updated on August 21, 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.