Sai-Hung Hui, M.D.
Emergency Medicine Physician · Sylmar, CA
Sai-Hung Hui, M.D. is an emergency medicine physician with a practice address in Sylmar, California, and NPI 1710166640, issued on Oct 28, 2007. Check the license (California A97996, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sai-Hung Hui
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A97996 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14445 Olive View Dr, Sylmar, CA 91342
- Phone
- (818) 364-3107
- Enumerated
- Oct 28, 2007
- Record last updated
- Nov 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080326000532); accepts Medicare assignment
- Medical or professional school
- Un Of California, Irvine, College Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 14445 Olive View Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nasser Abdo, MDInternal Medicine Physician1306911649
- Gezman Abdullahi, M.D.Internal Medicine Physician1225394380
- Moyosore Abere, NPNurse Practitioner1225667314
- Ammini Abraham, MDAnesthesiology Physician1467531541
- Margarita Acosta, RN, AGACNPAcute Care Nurse Practitioner1609202415
- Fredric Adler, MDInternal Medicine Physician1356376735
Verify Sai-Hung Hui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A97996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average emergency medicine physician in 2024
103 Medicare Part D claims for 75 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sai-Hung Hui among 7,751 emergency medicine physician records in California
Sai-Hung Hui, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 emergency medicine physician records list a practice address in Sylmar
They are 14 of the 1,454 NPPES records with a practice address in Sylmar, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Sylmar → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alan Chiem, MD, MPHSylmar, CA 913421477716967
- Jeffrey Guterman, MD MSSylmar, CA 913421639258007
- Shankar Hittalmani, MDSylmar, CA 913421437210879
- Ebunoluwa Johnson, M.D.Sylmar, CA 913421639332315
- Miguel Lemus, M.D.Sylmar, CA 913421891996575
- Scott Lundberg, MDSylmar, CA 913421770518789
- Maureen McColloughSylmar, CA 913421164569901
- Fredrick Melik-Abrahamian, D.O.Sylmar, CA 913421134159890
Common questions
What is Sai-Hung Hui, M.D.'s NPI number?
Sai-Hung Hui, M.D.'s National Provider Identifier (NPI) is 1710166640, issued on Oct 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sai-Hung Hui, M.D. located?
The NPPES record lists a practice address at 14445 Olive View Dr, Sylmar, CA, 91342. Phone: (818) 364-3107. Providers update this record themselves, so call before visiting.
How can I verify Sai-Hung Hui, M.D.'s license?
NPPES lists California license number A97996, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sai-Hung Hui, M.D. prescribe under Medicare Part D?
In 2024, Sai-Hung Hui, M.D. had 103 Medicare Part D claims for 75 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.