Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Marina E. Youssef, NP

Sees patients in Northridge, CA · California

Summary

Marina E. Youssef, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Northridge, CA. NPI 1730058496. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marina E. Youssef, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
1Years since medical school (graduated 2025)
FemaleGender (as listed)
The Oncology Institute Ca, a Professional CorporationGroup practice

Quick answers

Where does Marina E. Youssef see patients?
Medicare's clinician data lists 1 practice location in Northridge, CA. Call before your visit to confirm the address.
What is Marina E. Youssef's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Marina E. Youssef accept Medicare assignment?
Yes. Medicare's clinician data says Marina E. Youssef accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Marina E. Youssef offer telehealth?
Medicare's clinician data says Marina E. Youssef offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Marina E. Youssef?
(818) 435-8819, as listed in official Medicare / NPI Registry data.
What is Marina E. Youssef's NPI number?
1730058496. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Marina E. Youssef is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marina E. Youssef as a member of this group (CMS data updated 2026-10-02).

  • The Oncology Institute Ca, a Professional Corporation113 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in Northridge

Clinicians with the same Medicare primary specialty in Northridge, CA — not a recommendation.

All nurse practitioners in Northridge →

Clinician information

CredentialNP
Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1730058496
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians