Amber Rettig, CRNA
NPI 1043788771 · Certified Registered Nurse Anesthetist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amber Rettig, CRNA is a Certified Registered Nurse Anesthetist provider in Los Angeles, CA (NPI 1043788771).
Provider details
- NPI number
- 1043788771
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- NA95001014 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
234 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 141 | $138 |
| Anesthesia for Other Procedure on Eye00140 | 37 | $170 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 29 | $88 |
| Anesthesia for Open Or Endoscopic Total Shoulder Joint Replacement01638 | 15 | $236 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 12 | $91 |
Typical Medicare-allowed amounts for these services range $88–$236 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-11-12
- Last updated
- 2023-01-27
- Certified
- 2023-01-27
Frequently asked questions
- What is Amber Rettig's NPI number?
- Amber Rettig's National Provider Identifier (NPI) is 1043788771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amber Rettig's specialty?
- Amber Rettig is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amber Rettig located?
- Amber Rettig's practice location on file with NPPES is 1500 San Pablo St, Los Angeles, CA 90033-5313.
- What is Amber Rettig's phone number?
- The practice phone number listed in the NPPES registry for Amber Rettig is (323) 442-7400.
- Does Amber Rettig accept Medicare?
- Amber Rettig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amber Rettig's NPI active?
- Yes — Amber Rettig's NPI (1043788771) is active in the NPPES registry as of the last update on 2023-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.