Eric Zhang
Optometrist · Diamond Bar, CA
Eric Zhang is an optometrist with a practice address in Diamond Bar, California, and NPI 1982282760, issued on Apr 1, 2021. Check the license (California 34965, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eric Zhang
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34965 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Grand Ave Ste A, Diamond Bar, CA 91765
- Phone
- (909) 860-6768
- Enumerated
- Apr 1, 2021
- Record last updated
- Mar 24, 2023
- Fax
- (909) 860-4224
- Medicare enrollment
- Enrolled (PECOS I20230116000761); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2021
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Eric Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average optometrist in 2024
864 Medicare Part D claims for 222 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost340 claims
- Timolol Maleate98 claims
- Dorzolamide-Timolol68 claims
- Azelastine Hcl58 claims
- Brimonidine Tartrate41 claims
- Cyclosporine37 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: $587.51
12 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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 2 group practices
- Tina S. Patel, O.D., Professional CorporationLos Angeles, CA
- Wayne H Martin MD IncDiamond Bar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Zhang among 8,308 optometrist records in California
Eric Zhang is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 86% of them.
- NPI issued2021 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2021 · median 2008 among the 3,573 with a school on file
- 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 optometrist records list a practice address in Diamond Bar
They are 8 of the 598 NPPES records with a practice address in Diamond Bar, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Diamond Bar → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Taylor Bladh, O.D.Diamond Bar, CA 917651467527028
- Jennifer Grove, O.D.Diamond Bar, CA 917651659414316
- Amanda La, O.D.Diamond Bar, CA 917651912444670
- Salena Quach, ODDiamond Bar, CA 917651902475825
- Effie Sen, O.D.Diamond Bar, CA 917651417017385
- Kimberly ShihDiamond Bar, CA 917651083398853
- Chris Zapper, O.D.Diamond Bar, CA 917651740358399
- Arsineh Amirkhanian, ODOntario, CA 917641043839897
Common questions
What is Eric Zhang's NPI number?
Eric Zhang's National Provider Identifier (NPI) is 1982282760, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Eric Zhang located?
The NPPES record lists a practice address at 1111 Grand Ave Ste A, Diamond Bar, CA, 91765. Phone: (909) 860-6768. Providers update this record themselves, so call before visiting.
How can I verify Eric Zhang's license?
NPPES lists California license number 34965, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Eric Zhang prescribe under Medicare Part D?
In 2024, Eric Zhang had 864 Medicare Part D claims for 222 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.