DR. STEVEN EUSTON JOHNSON DO
NPI 1659803328
Emergency Medicine in Los Angeles, CA
About Dr. Steven Euston Johnson Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN EUSTON JOHNSON DO (NPI 1659803328) is an individual emergency medicine provider in Los Angeles, California, licensed in California (20A19348) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
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
Dr. Steven Euston Johnson Do 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
2Medicare enrollment records show Steven Johnson reassigns Medicare billing to 2 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 90033
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1386750578 (California)
- 1,204 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 3
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
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 Steven Johnson's NPI number?
The NPI number for Steven Johnson is 1659803328. It was assigned to this individual provider in the NPPES registry on March 31, 2017.
Where is Steven Johnson located?
Steven Johnson practices at 1500 San Pablo St, Los Angeles, CA 90033. The listed phone number is (323) 442-8500.
What is Steven Johnson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Steven Johnson enrolled in Medicare?
Yes. Steven Johnson 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 Steven Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Johnson reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and Cep America-California (Los Angeles, 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 Steven Johnson'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 Steven Johnson was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Steven Euston Johnson, DO · NPI 1659803328
Emergency Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 31, 2017.
## Identity
- **NPI:** 1659803328 (Entity type: Individual)
- **Enumerated:** March 31, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 20A19348 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 SAN PABLO ST, Los Angeles, CA 90033-5313
- **Phone:** (323) 442-8500
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Cep America-California (NPI 1831040823, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** May 22, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1659803328) · Data from the CMS NPPES public registry.