MR. RUBEN ISAAC MACIAS CRNA
NPI 1972003598
Nurse Anesthetist, Certified Registered in Los Angeles, CA
About Mr. Ruben Isaac Macias Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. RUBEN ISAAC MACIAS CRNA (NPI 1972003598) is an individual nurse anesthetist, certified registered in Los Angeles, California, licensed in California (NA95001052) and active in the NPI registry since February 2018. He is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Mr. Ruben Isaac Macias 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
10Medicare enrollment records show Ruben Macias reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Los Angeles, CA 90036
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Sherman Oaks, CA 91423
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
Van Nuys, CA 91405
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90007 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.
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 Ruben Macias's NPI number?
The NPI number for Ruben Macias is 1972003598. It was assigned to this individual provider in the NPPES registry on February 20, 2018.
Where is Ruben Macias located?
Ruben Macias practices at 400 W 30th St, Los Angeles, CA 90007. The listed phone number is (213) 284-3200.
What is Ruben Macias's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ruben Macias enrolled in Medicare?
Yes. Ruben Macias 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 Ruben Macias's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruben Macias reassigns Medicare benefits to 10 organizations: Usc Care Medical Group, Inc (Los Angeles, CA), Farnad Medical Corporation (Los Angeles, CA), Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Foothill Anesthesia, Inc (Pasadena, CA), Sunset Anesthesia Group, A Professional Nursing Corporation (Sherman Oaks, CA) and 5 more organizations, 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 Ruben Macias'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 Ruben Macias was last updated on November 19, 2023. 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.
# Mr. Ruben Isaac Macias, CRNA · NPI 1972003598
Nurse Anesthetist, Certified Registered physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since February 20, 2018.
## Identity
- **NPI:** 1972003598 (Entity type: Individual)
- **Enumerated:** February 20, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** NA95001052 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 W 30TH ST, Los Angeles, CA 90007-3320
- **Phone:** (213) 284-3200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Farnad Medical Corporation (NPI 1083258362, Los Angeles, CA); Cedars-Sinai Medical Care Foundation (NPI 1316984388, Los Angeles, CA); Foothill Anesthesia, Inc (NPI 1285695650, Pasadena, CA); Sunset Anesthesia Group, A Professional Nursing Corporation (NPI 1932891678, Sherman Oaks, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** November 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1972003598) · Data from the CMS NPPES public registry.