ELIZABETH KO
NPI 1811630916
Internal Medicine in Los Angeles, CA
About Elizabeth Ko NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH KO (NPI 1811630916) is an individual internal medicine provider in Los Angeles, California, licensed in California (20A24086) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
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
Elizabeth Ko 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 Reassignment
Medicare enrollment records show Elizabeth Ko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 198 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 90059 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 90059
LOS ANGELES, CA 90059
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 Elizabeth Ko's NPI number?
The NPI number for Elizabeth Ko is 1811630916. It was assigned to this individual provider in the NPPES registry on April 16, 2022.
Where is Elizabeth Ko located?
Elizabeth Ko practices at 1680 E 120th St, Los Angeles, CA 90059. The listed phone number is (424) 338-8000.
What is Elizabeth Ko's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Elizabeth Ko enrolled in Medicare?
Yes. Elizabeth Ko 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 organization bills Medicare for Elizabeth Ko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Ko reassigns Medicare benefits to Superior Hospitalist Medical Group Inc (Los Angeles, CA). The 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 Elizabeth Ko'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 Elizabeth Ko was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Elizabeth Ko · NPI 1811630916
Internal Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 16, 2022.
## Identity
- **NPI:** 1811630916 (Entity type: Individual)
- **Enumerated:** April 16, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A24086 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1680 E 120TH ST, Los Angeles, CA 90059-3026
- **Phone:** (424) 338-8000
## 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:** Superior Hospitalist Medical Group Inc (NPI 1780047712, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** August 6, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1811630916) · Data from the CMS NPPES public registry.