Elizabeth Du, M.D.
Ophthalmology Physician · Garden Grove, CA
Elizabeth Du, M.D. is an ophthalmology physician with a practice address in Garden Grove, California, and NPI 1730393398, issued on May 10, 2007. Check the license (California C142813, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Du
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- C142813 CA
4301088530 MI
Self-reported in NPPES; status is on the state search - Practice location
- 12828 Harbor Blvd Ste 305, Garden Grove, CA 92840
- Phone
- (800) 898-2020
- Enumerated
- May 10, 2007
- Record last updated
- Jan 9, 2023
- Fax
- (844) 897-3788
- Medicaid ID
- 1730393398 CA
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 12828 Harbor Blvd Ste 305
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany To, O.D.Corneal and Contact Management Optometrist1306997143
Verify Elizabeth Du in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C142813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average ophthalmology physician in 2024
257 Medicare Part D claims for 96 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost81 claims
- Brimonidine Tartrate43 claims
- Dorzolamide-Timolol40 claims
- Cyclosporine32 claims
- Restasis26 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.
Elizabeth Du among 2,899 ophthalmology physician records in California
Elizabeth Du, 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 fileNo · 66% of these records are
- Record last updated2023 · 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 Garden Grove → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- James Boyce, M.D.Garden Grove, CA 928431457351652
- Kourosh Dastgheib, MDGarden Grove, CA 928431578523593
- Norman Liu, M.D.Garden Grove, CA 928431861492860
- George Mayo, M.D.Garden Grove, CA 928431265591994
- Ryan Taban, M.D.Garden Grove, CA 928431235253196
- Paul Lee, MDGarden Grove, CA 928441003838012
- Richard Nguyen, M.D.Garden Grove, CA 928441134178486
- J Berbos, M.D.Fullerton, CA 928351467596114
Common questions
What is Elizabeth Du, M.D.'s NPI number?
Elizabeth Du, M.D.'s National Provider Identifier (NPI) is 1730393398, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Du, M.D. located?
The NPPES record lists a practice address at 12828 Harbor Blvd Ste 305, Garden Grove, CA, 92840. Phone: (800) 898-2020. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Du, M.D.'s license?
NPPES lists California license number C142813, 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 Elizabeth Du, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth Du, M.D. had 257 Medicare Part D claims for 96 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.