MARIAM YOUSSEF
NPI 1861101198
Nurse Anesthetist, Certified Registered in Hanford, CA
About Mariam Youssef NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIAM YOUSSEF (NPI 1861101198) is an individual nurse anesthetist, certified registered in Hanford, California, licensed in Virginia (0024195981) and active in the NPI registry since November 2022. She is affiliated with Providence St Vincent Medical Center and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mariam Youssef is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Mariam Youssef reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Barbara, CA 93101
- Reassigned Medicare billing, California enrollment
- 13 clinicians in this Medicare group
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- 534 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 clinicians in this Medicare group
Medford, OR 97504
- Reassigned Medicare billing, Oregon enrollment
- 64 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 419 clinicians in this Medicare group
Virginia Beach, VA 23456
- Reassigned Medicare billing, Virginia enrollment
- 707 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, ORProvidence Portland Medical Center
Acute Care Hospitals · Portland, ORSentara Norfolk General Hospital
Acute Care Hospitals · Norfolk, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93230 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HANFORD, CA 93230
HANFORD, CA 93230
HANFORD, CA 93230
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 Mariam Youssef's NPI number?
The NPI number for Mariam Youssef is 1861101198. It was assigned to this individual provider in the NPPES registry on November 15, 2022.
Where is Mariam Youssef located?
Mariam Youssef practices at 115 Mall Dr, Hanford, CA 93230. The listed phone number is (559) 582-9000.
What is Mariam Youssef's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mariam Youssef enrolled in Medicare?
Yes. Mariam Youssef is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mariam Youssef's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariam Youssef reassigns Medicare benefits to 6 organizations: Medbridge Anesthesia Services, Inc. (Santa Barbara, CA), County Of San Joaquin (Manteca, CA), San Joaquin Faculty Medical Group (French Camp, CA), Anesthetic Solutions, Inc (Medford, OR), Hospitalist Medicine Physicians Of Washington - Tcs (Portland, OR) and 1 more organization, listed in the Medicare section above. 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 Mariam Youssef's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mariam Youssef affiliated with any hospitals?
According to CMS data, Mariam Youssef is affiliated with Providence St Vincent Medical Center, Providence Portland Medical Center and Sentara Norfolk General Hospital.
When was this NPI record last updated?
The NPPES record for Mariam Youssef was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Mariam Youssef · NPI 1861101198
Nurse Anesthetist, Certified Registered physician in Hanford, California. Individual provider, active in the CMS NPPES registry since November 15, 2022.
## Identity
- **NPI:** 1861101198 (Entity type: Individual)
- **Enumerated:** November 15, 2022
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 0024195981 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 115 MALL DR, Hanford, CA 93230-5786
- **Phone:** (559) 582-9000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Medbridge Anesthesia Services, Inc. (NPI 1801558648, Santa Barbara, CA); County Of San Joaquin (NPI 1417407636, Manteca, CA); San Joaquin Faculty Medical Group (NPI 1225063761, French Camp, CA); Anesthetic Solutions, Inc (NPI 1477022259, Medford, OR); Hospitalist Medicine Physicians Of Washington - Tcs (NPI 1649816380, Portland, OR); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** March 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1861101198) · Data from the CMS NPPES public registry.