Chia Wei Hsu
Neuro-ophthalmology Physician · Orange, CA
Chia Wei Hsu is a neuro-ophthalmology physician with a practice address in Orange, California, and NPI 1811638471, issued on Apr 6, 2022. Check the license (California A208866, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chia Wei Hsu
- Primary taxonomy
- Neuro-ophthalmology Physician 207WX0109X
- License number
- A208866 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (949) 824-7105
- Enumerated
- Apr 6, 2022
- Record last updated
- Apr 27, 2026
- Entity
- Type 1 · individual
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Chia Wei Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A208866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average neuro-ophthalmology physician in 2024
100 Medicare Part D claims for 35 beneficiaries, against an average of 335 among the 140 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Latanoprost31 claims
- Dorzolamide-Timolol11 claims
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.
Neuro-ophthalmology Physician providers in California
There are 26 neuro-ophthalmology physician records in California.
Other neuro-ophthalmology physician records in California
- Thomas Ableman, M.D.San Diego, CA1558415067
- Shannon Beres, MDPalo Alto, CA1710201025
- Jane Chan, MDPasadena, CA1528046216
- Kimberly Cockerham, MDSan Diego, CA1366493629
- Robert Crow, MDIrvine, CA1285646398
- Kim Firn, MD, MSPasadena, CA1396314175
- Benjamin Ghiam, MDEncino, CA1669933966
- Michael Gilhooley, MDLos Angeles, CA1043071277
- Kimberly Gokoffski, MD, PHDOrange, CA1730455353
- Nafiseh Hashemi, MDEncino, CA1619264645
Common questions
What is Chia Wei Hsu's NPI number?
Chia Wei Hsu's National Provider Identifier (NPI) is 1811638471, issued on Apr 6, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Chia Wei Hsu located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (949) 824-7105. Providers update this record themselves, so call before visiting.
How can I verify Chia Wei Hsu's license?
NPPES lists California license number A208866, 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 Chia Wei Hsu prescribe under Medicare Part D?
In 2024, Chia Wei Hsu had 100 Medicare Part D claims for 35 beneficiaries; the average among neuro-ophthalmology physician prescribers was 335. 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.