RYAN COLBY PASSARO
NPI 1043773930
Emergency Medicine in Los Angeles, CA
About Ryan Colby Passaro NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN COLBY PASSARO (NPI 1043773930) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A179594) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2019).
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
Ryan Colby Passaro 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 Ryan Passaro 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 90015
- Reassigned Medicare billing, California enrollment
- 169 clinicians in this Medicare group
Torrance, CA 90505
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Santa Clarita, CA 91387
- Reassigned Medicare billing, California enrollment
- 684 clinicians in this Medicare group
Chino, CA 91710
- Reassigned Medicare billing, California enrollment
- 99 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 200 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 4
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 90033 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 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Ryan Passaro's NPI number?
The NPI number for Ryan Passaro is 1043773930. It was assigned to this individual provider in the NPPES registry on April 9, 2019.
Where is Ryan Passaro located?
Ryan Passaro practices at 2051 Marengo St, Los Angeles, CA 90033. The listed phone number is (323) 409-1000.
What is Ryan Passaro's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ryan Passaro enrolled in Medicare?
Yes. Ryan Passaro 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 Ryan Passaro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Passaro reassigns Medicare benefits to 5 organizations: Golden State Emergency Physicians Inc (Los Angeles, CA), Torrance Emergency Physicians, Inc (Torrance, CA), Providence Facey Medical Foundation (Santa Clarita, CA), Chino Emergency Medical Associates, Inc. (Chino, CA) and Pinnacle Emergency Physicians Of Bakersfield, A Professional Corp (Bakersfield, 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 Ryan Passaro'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 Ryan Passaro was last updated on June 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ryan Colby Passaro · NPI 1043773930
Emergency Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 9, 2019.
## Identity
- **NPI:** 1043773930 (Entity type: Individual)
- **Enumerated:** April 9, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A179594 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2051 MARENGO ST, Los Angeles, CA 90033-1352
- **Phone:** (323) 409-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Golden State Emergency Physicians Inc (NPI 1770886558, Los Angeles, CA); Torrance Emergency Physicians, Inc (NPI 1184048712, Torrance, CA); Providence Facey Medical Foundation (NPI 1922651561, Santa Clarita, CA); Chino Emergency Medical Associates, Inc. (NPI 1013282029, Chino, CA); Pinnacle Emergency Physicians Of Bakersfield, A Professional Corp (NPI 1386980415, Bakersfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 2019
## Record status
- **NPPES last updated:** June 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1043773930) · Data from the CMS NPPES public registry.