MS. AMBER KRISITNE RETTIG CRNA
NPI 1043788771
Nurse Anesthetist, Certified Registered in Los Angeles, CA
About Ms. Amber Krisitne Rettig Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. AMBER KRISITNE RETTIG CRNA (NPI 1043788771) is an individual nurse anesthetist, certified registered in Los Angeles, California, licensed in California (NA95001014) and active in the NPI registry since November 2018. She maintains a secondary practice location in Los Angeles and is a graduate of University Of Southern California Keck School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Ms. Amber Krisitne Rettig 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 Reassignments
5Medicare enrollment records show Amber Rettig reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 295 clinicians in this Medicare group
Beverly Hills, CA 90210
- Reassigned Medicare billing, California enrollment
- 57 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 37 clinicians in this Medicare group
Northridge, CA 91324
- Reassigned Medicare billing, California enrollment
- 15 clinicians in this Medicare group
Manhattan Beach, CA 90266
- Reassigned Medicare billing, California enrollment
- 67 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 5
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 Amber Rettig's NPI number?
The NPI number for Amber Rettig is 1043788771. It was assigned to this individual provider in the NPPES registry on November 12, 2018.
Where is Amber Rettig located?
Amber Rettig practices at 757 Westwood Plz Ste 3325, Los Angeles, CA 90095. The listed phone number is (310) 825-9111.
What is Amber Rettig's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Amber Rettig enrolled in Medicare?
Yes. Amber Rettig 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 Amber Rettig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Rettig reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (Los Angeles, CA), Precision Anesthesia Group Inc (Beverly Hills, CA), New Vision Nurse Anesthesia Group Inc (Encino, CA), Synergy Anesthesia A Professional Nursing Corp (Northridge, CA) and Westside Anesthesia Services (Manhattan Beach, 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 Amber Rettig'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 Amber Rettig was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ms. Amber Krisitne Rettig, CRNA · NPI 1043788771
Nurse Anesthetist, Certified Registered physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since November 12, 2018.
## Identity
- **NPI:** 1043788771 (Entity type: Individual)
- **Enumerated:** November 12, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** NA95001014 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 757 WESTWOOD PLZ STE 3325, Los Angeles, CA 90095-7043
- **Phone:** (310) 825-9111
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1326096165, Los Angeles, CA); Precision Anesthesia Group Inc (NPI 1205253929, Beverly Hills, CA); New Vision Nurse Anesthesia Group Inc (NPI 1609654102, Encino, CA); Synergy Anesthesia A Professional Nursing Corp (NPI 1578283305, Northridge, CA); Westside Anesthesia Services (NPI 1528381704, Manhattan Beach, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** August 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1043788771) · Data from the CMS NPPES public registry.