Alex Wong Quach, OD
Optometrist · Wilmington, DE
Alex Wong Quach, OD is an optometrist with a practice address in Wilmington, Delaware, and NPI 1104488634, issued on Jul 4, 2019. Check the license (Delaware I3-0001427, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alex Wong Quach
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- I3-0001427 DE
OEG003540 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3509 Silverside RD, Wilmington, DE 19810
- Phone
- (302) 479-3937
- Enumerated
- Jul 4, 2019
- Record last updated
- Oct 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200817001165); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 2019
- Entity
- Type 1 · individual
8 nearest optometrist records → All 164 in Delaware → Look up another NPI →
Also registered at 3509 Silverside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Johnson, ODOptometrist1770063687
- Sarah Nowicki-Duczeminski, ODOptometrist1861844466
Verify Alex Wong Quach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license I3-0001427Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average optometrist in 2024
808 Medicare Part D claims for 270 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Latanoprost267 claims
- Dorzolamide-Timolol74 claims
- Brimonidine Tartrate69 claims
- Timolol Maleate61 claims
- Neomycin-Polymyxin-Dexameth39 claims
- Lumigan37 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.
Industry payments in 2024: $546.50
12 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Delaware Ophthalmology Consultants PAWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alex Wong Quach among 164 optometrist records in Delaware
Alex Wong Quach, OD is one of 164 optometrist records with a practice address in Delaware. 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 2019, is newer than 82% of them.
- NPI issued2019 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2019 · median 2007 among the 116 with a school on file
- Record last updated2020 · 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 152W00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Delaware
There are 164 optometrist records in Delaware.
All 164 in Delaware → Every provider in Wilmington → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Phyllis Chambers, D.O.Wilmington, DE 198101598842676
- Brian Johnson, ODWilmington, DE 198101770063687
- David Jupiter, ODWilmington, DE 198101780794024
- Sarah Nowicki-Duczeminski, ODWilmington, DE 198101861844466
- Angela Pellegrini, O.D.Wilmington, DE 198101841453495
- Greta Steinbach-Wallis, O.D.Wilmington, DE 198101346289162
- Jean Stewart, O.D.Wilmington, DE 198101083658207
- Stanley Strauss, O.D.Wilmington, DE 198101083741599
Common questions
What is Alex Wong Quach, OD's NPI number?
Alex Wong Quach, OD's National Provider Identifier (NPI) is 1104488634, issued on Jul 4, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alex Wong Quach, OD located?
The NPPES record lists a practice address at 3509 Silverside RD, Wilmington, DE, 19810. Phone: (302) 479-3937. Providers update this record themselves, so call before visiting.
How can I verify Alex Wong Quach, OD's license?
NPPES lists Delaware license number I3-0001427, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Alex Wong Quach, OD prescribe under Medicare Part D?
In 2024, Alex Wong Quach, OD had 808 Medicare Part D claims for 270 beneficiaries; the average among optometrist prescribers was 277. 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.