DR. SAI-HUNG HUI M.D.
NPI 1710166640
Emergency Medicine in Sylmar, CA
About Dr. Sai-hung Hui M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAI-HUNG HUI M.D. (NPI 1710166640) is an individual emergency medicine provider in Sylmar, California, licensed in California (A97996) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of Un Of California, Irvine, College Of Medicine (2005).
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. Sai-hung Hui 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 Reassignments
2Medicare enrollment records show Sai-hung Hui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mission Hills, CA 91345
- Reassigned Medicare billing, California enrollment
- 1,204 clinicians in this Medicare group
Santa Clarita, CA 91387
- 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.
Areas of Expertise CMS Part B claims 2
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 91342 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.
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
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 Sai-hung Hui's NPI number?
The NPI number for Sai-hung Hui is 1710166640. It was assigned to this individual provider in the NPPES registry on October 28, 2007.
Where is Sai-hung Hui located?
Sai-hung Hui practices at 14445 Olive View Dr North Annex, Dept Of Em, Olive View-Ucla Med Ctr, Sylmar, CA 91342. The listed phone number is (818) 364-3107.
What is Sai-hung Hui's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sai-hung Hui enrolled in Medicare?
Yes. Sai-hung Hui 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 Sai-hung Hui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sai-hung Hui reassigns Medicare benefits to 2 organizations: Cep America - California (Mission Hills, CA) and Southern California Permanente Medical Group (Santa Clarita, 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 Sai-hung Hui'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 Sai-hung Hui was last updated on November 23, 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.
# Dr. Sai-Hung Hui, M.D. · NPI 1710166640
Emergency Medicine physician in Sylmar, California. Individual provider, active in the CMS NPPES registry since October 28, 2007.
## Identity
- **NPI:** 1710166640 (Entity type: Individual)
- **Enumerated:** October 28, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A97996 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 14445 OLIVE VIEW DR, NORTH ANNEX, DEPT OF EM, OLIVE VIEW-UCLA MED CTR, Sylmar, CA 91342-1437
- **Phone:** (818) 364-3107
## 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): Cep America - California (NPI 1780625871, Mission Hills, CA); Southern California Permanente Medical Group (NPI 1316409410, Santa Clarita, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Un Of California, Irvine, College Of Medicine, class of 2005
## Record status
- **NPPES last updated:** November 23, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1710166640) · Data from the CMS NPPES public registry.