DR. ALEX NGAN MD
NPI 1083298251
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Los Angeles, CA
About Dr. Alex Ngan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEX NGAN MD (NPI 1083298251) is an individual orthopaedic surgery of the spine provider in Los Angeles, California, licensed in California (A207777) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
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. Alex Ngan Md 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 Alex Ngan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 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.
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 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
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 Alex Ngan's NPI number?
The NPI number for Alex Ngan is 1083298251. It was assigned to this individual provider in the NPPES registry on May 12, 2021.
Where is Alex Ngan located?
Alex Ngan practices at 1540 Alcazar St, Los Angeles, CA 90089. The listed phone number is (323) 442-5743.
What is Alex Ngan's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Alex Ngan enrolled in Medicare?
Yes. Alex Ngan 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 Alex Ngan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Ngan reassigns Medicare benefits to Usc Care 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 Alex Ngan'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 Alex Ngan was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Alex Ngan, MD · NPI 1083298251
Orthopaedic Surgery of the Spine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 12, 2021.
## Identity
- **NPI:** 1083298251 (Entity type: Individual)
- **Enumerated:** May 12, 2021
- **Primary specialty:** Orthopaedic Surgery - Orthopaedic Surgery of the Spine · taxonomy 207XS0117X
- **State license:** A207777 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1540 ALCAZAR ST, Los Angeles, CA 90089-0186
- **Phone:** (323) 442-5743
## 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:** Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** June 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1083298251) · Data from the CMS NPPES public registry.