EUGENE TSAI M.D
NPI 1922006378
Orthopaedic Surgery in Los Angeles, CA
About Eugene Tsai M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EUGENE TSAI M.D (NPI 1922006378) is an individual orthopaedic surgery provider in Los Angeles, California, licensed in California (G85849) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Eugene Tsai M.d 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 Eugene Tsai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- 13,921 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 90027 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 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Eugene Tsai's NPI number?
The NPI number for Eugene Tsai is 1922006378. It was assigned to this individual provider in the NPPES registry on July 11, 2005.
Where is Eugene Tsai located?
Eugene Tsai practices at 4760 W Sunset Blvd 1st Floor, Los Angeles, CA 90027. The listed phone number is (323) 783-8529.
What is Eugene Tsai's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Eugene Tsai enrolled in Medicare?
Yes. Eugene Tsai 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 Eugene Tsai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugene Tsai reassigns Medicare benefits to Southern California Permanente Medical Group (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 Eugene Tsai'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 Eugene Tsai was last updated on November 29, 2021. 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.
# Eugene Tsai, M.D · NPI 1922006378
Orthopaedic Surgery physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 11, 2005.
## Identity
- **NPI:** 1922006378 (Entity type: Individual)
- **Enumerated:** July 11, 2005
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** G85849 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4760 W SUNSET BLVD, 1ST FLOOR, Los Angeles, CA 90027-6063
- **Phone:** (323) 783-8529 · **Fax:** (323) 783-6985
## 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:** Southern California Permanente Medical Group (NPI 1134151657, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 1991
## Record status
- **NPPES last updated:** November 29, 2021
- **Other identifiers:** Medicaid 00G858490 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1922006378) · Data from the CMS NPPES public registry.