Samuel Yiu, M.D.
Ophthalmology Physician · Los Angeles, CA
Samuel Yiu, M.D. is an ophthalmology physician with a practice address in Los Angeles, California, and NPI 1043377286, issued on Jan 3, 2007. Check the license (California A68541, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Samuel Yiu
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- A68541 CA
D73528 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1450 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 442-6335
- Enumerated
- Jan 3, 2007
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (323) 442-7166
- Medicaid ID
- 00A685410 CA
- Medicare enrollment
- Enrolled (PECOS I20130313000150); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 1450 San Pablo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmad Bahay, MDStudent in an Organized Health Care Education/Training Program1538090055
Verify Samuel Yiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68541Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average ophthalmology physician in 2024
399 Medicare Part D claims for 135 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.
Most prescribed
- Prednisolone Acetate105 claims
- Restasis48 claims
- Ketorolac Tromethamine45 claims
- Ciprofloxacin Hcl27 claims
- Restasis Multidose21 claims
- Latanoprost20 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Johns Hopkins UniversityLutherville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel Yiu among 2,899 ophthalmology physician records in California
Samuel Yiu, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% 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 55% of them.
- NPI issued2007 · 55% of these records are older, 33% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1994 · median 2001 among the 1,907 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Los Angeles → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Eli Chang, M.D.Los Angeles, CA 900331083774996
- Charles Flowers, M.D.Los Angeles, CA 900331619991908
- David Huang, M.D.Los Angeles, CA 900331669534483
- Mark Humayun, M.D.Los Angeles, CA 900331548322381
- Sandeep Khanna, M.D.Los Angeles, CA 900331366514044
- Sheila Mahdaviani, MDLos Angeles, CA 900331518067677
- Mario MealletLos Angeles, CA 900331851510424
- Karen Morgan, M.D.Los Angeles, CA 900331598795056
Common questions
What is Samuel Yiu, M.D.'s NPI number?
Samuel Yiu, M.D.'s National Provider Identifier (NPI) is 1043377286, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Yiu, M.D. located?
The NPPES record lists a practice address at 1450 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-6335. Providers update this record themselves, so call before visiting.
How can I verify Samuel Yiu, M.D.'s license?
NPPES lists California license number A68541, 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 Samuel Yiu, M.D. prescribe under Medicare Part D?
In 2024, Samuel Yiu, M.D. had 399 Medicare Part D claims for 135 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Samuel Yiu, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.