MARIAH HOPE MRAZ CRNA
NPI 1831939073
Nurse Anesthetist, Certified Registered in Los Angeles, CA
About Mariah Hope Mraz Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIAH HOPE MRAZ CRNA (NPI 1831939073) is an individual nurse anesthetist, certified registered in Los Angeles, California, licensed in California (95002367) and active in the NPI registry since May 2024. She is a graduate of University Of Southern California Keck School Of Medicine (2024).
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
Mariah Hope Mraz Crna 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 Reassignment
Medicare enrollment records show Mariah Mraz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 295 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90095 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.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Mariah Mraz's NPI number?
The NPI number for Mariah Mraz is 1831939073. It was assigned to this individual provider in the NPPES registry on May 27, 2024.
Where is Mariah Mraz located?
Mariah Mraz practices at 757 Westwood Plz Ste 3325, Los Angeles, CA 90095. The listed phone number is (310) 267-8626.
What is Mariah Mraz's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mariah Mraz enrolled in Medicare?
Yes. Mariah Mraz 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 organization bills Medicare for Mariah Mraz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariah Mraz reassigns Medicare benefits to Regents Of The University Of California (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 Mariah Mraz'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 Mariah Mraz was last updated on September 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mariah Hope Mraz, CRNA · NPI 1831939073
Nurse Anesthetist, Certified Registered physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 27, 2024.
## Identity
- **NPI:** 1831939073 (Entity type: Individual)
- **Enumerated:** May 27, 2024
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95002367 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 757 WESTWOOD PLZ STE 3325, Los Angeles, CA 90095-8358
- **Phone:** (310) 267-8626
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Regents Of The University Of California (NPI 1326096165, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2024
## Record status
- **NPPES last updated:** September 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1831939073) · Data from the CMS NPPES public registry.