Aaron Chi, OD
Optometrist · Fountain Valley, CA
Aaron Chi, OD is an optometrist with a practice address in Fountain Valley, California, and NPI 1588155360, issued on May 28, 2018. Check the license (California 34007TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Aaron Chi
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34007TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 18449 Brookhurst St Ste 6, Fountain Valley, CA 92708
- Phone
- (714) 963-2111
- Enumerated
- May 28, 2018
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180911001668); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 18449 Brookhurst St Ste 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pantea Meghdadi, O.D.Corneal and Contact Management Optometrist1639251374
Verify Aaron Chi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34007TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average optometrist in 2024
59 Medicare Part D claims for 32 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Latanoprost21 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: $330.92
5 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.
Aaron Chi among 8,308 optometrist records in California
Aaron Chi, OD 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2018 · median 2008 among the 3,573 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 optometrist records list a practice address in Fountain Valley
They are 26 of the 2,190 NPPES records with a practice address in Fountain Valley, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Fountain Valley → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- James Cooperman, ODFountain Valley, CA 927081689639429
- Tina Dao, O.D.Fountain Valley, CA 927081770507659
- Karissa Do, O.D.Fountain Valley, CA 927081598820433
- Barbara Fineberg, O.D.Fountain Valley, CA 927081003903311
- Sanford Koyama, O.D.Fountain Valley, CA 927081346233798
- Ronald Kuykendall, O.D.Fountain Valley, CA 927081871654103
- Jue Lim, O.D.Fountain Valley, CA 927081518062223
- Van Ly, O.D.Fountain Valley, CA 927081225171713
Common questions
What is Aaron Chi, OD's NPI number?
Aaron Chi, OD's National Provider Identifier (NPI) is 1588155360, issued on May 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Chi, OD located?
The NPPES record lists a practice address at 18449 Brookhurst St Ste 6, Fountain Valley, CA, 92708. Phone: (714) 963-2111. Providers update this record themselves, so call before visiting.
How can I verify Aaron Chi, OD's license?
NPPES lists California license number 34007TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Aaron Chi, OD prescribe under Medicare Part D?
In 2024, Aaron Chi, OD had 59 Medicare Part D claims for 32 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.