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OLIVIA GHAUSSY
NPI 1861874398
Nurse Practitioner in Hawthorne, CA

Active since June 20, 2015PECOS Enrolled
11633 HAWTHORNE BLVD, HAWTHORNE, CA 90250(310) 741-9046 Get Directions Write a Review

NPPES record last updated: June 20, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Olivia Ghaussy NPPES

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

OLIVIA GHAUSSY (NPI 1861874398) is an individual nurse practitioner in Hawthorne, California, licensed in California (95002558) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861874398
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameOLIVIA GHAUSSY
Location Address11633 HAWTHORNE BLVDHawthorne, CA 90250-2321
Mailing Address1235 Yale St, #1Santa Monica, CA 90404-1535 · (310) 741-9046
Phone(310) 741-9046
Sole ProprietorNo
Enumeration DateJune 20, 2015
✔ NPI 1861874398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95002558
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.
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 95002558 (CA)
11633 HAWTHORNE BLVD, Hawthorne, CA 90250
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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)

Olivia Ghaussy 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

2

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

Alameda Health System
323 mi
Federally Qualified Health Center (FQHC)
6066 CIVIC TERRACE AVE
Newark, CA 94560
  • Reassigned Medicare billing, California enrollment
  • 900 clinicians in this Medicare group
NPI 1497956288 (510) 505-1600
San Mateo County
324 mi
Community/Behavioral Health
2415 UNIVERSITY AVE STE 301
East Palo Alto, CA 94303
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of San Mateo
  • Also billed through NPI 1831268580 (California)
  • 597 clinicians in this Medicare group
NPI 1710086301 (650) 363-4030

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 90250 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 20

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

PHILIP CORDOVA PT
Physical Therapist
11633 HAWTHORNE BLVD, SUITE 201
HAWTHORNE, CA 90250
Los Angeles County (310) 263-1632
DR. SHAZIA MAHMOOD HASAN M.D.
Internal Medicine (Cardiovascular Disease)
11633 HAWTHORNE BLVD, SUITE 400
HAWTHORNE, CA 90250
Los Angeles County (310) 675-1400
ALWAYS STAY HOME NURSING SERVICE INC.
Home Health
11633 HAWTHORNE BLVD, SUITE 220
HAWTHORNE, CA 90250
Los Angeles County (310) 219-2857
FARSHID MOOSSAZADEH M.D.
Obstetrics & Gynecology
11633 HAWTHORNE BLVD, SUITE 300
HAWTHORNE, CA 90250
Los Angeles County (310) 355-1950
HALA A.AHMED AL-SHAWE DDS
Dentist (General Practice)
11633 HAWTHORNE BLVD, #502
HAWTHORNE, CA 90250
Los Angeles County (310) 644-4464
MR. DUANE E BRIDGES M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
11633 HAWTHORNE BLVD, #400
HAWTHORNE, CA 90250
Los Angeles County (310) 973-0600
SHAZIA M HASAN MD INC
Internal Medicine (Cardiovascular Disease)
11633 HAWTHORNE BLVD, SUITE 400
HAWTHORNE, CA 90250
Los Angeles County (310) 675-1400
ALWAYS STAY HOME NURSING SERVICE INC.
Home Health
11633 HAWTHORNE BLVD, SUITE 220
HAWTHORNE, CA 90250
Los Angeles County (310) 219-2857

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 Olivia Ghaussy's NPI number?

The NPI number for Olivia Ghaussy is 1861874398. It was assigned to this individual provider in the NPPES registry on June 20, 2015.

Where is Olivia Ghaussy located?

Olivia Ghaussy practices at 11633 Hawthorne Blvd, Hawthorne, CA 90250. The listed phone number is (310) 741-9046.

What is Olivia Ghaussy's specialty?

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

Is Olivia Ghaussy enrolled in Medicare?

Yes. Olivia Ghaussy is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Olivia Ghaussy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Ghaussy reassigns Medicare benefits to 2 organizations: Alameda Health System (Newark, CA) and San Mateo County (East Palo Alto, 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 Olivia Ghaussy'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 Olivia Ghaussy was last updated on June 20, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.