Eileen Wun Poon, O.D.
Optometrist · Gilroy, CA
Eileen Wun Poon, O.D. is an optometrist with a practice address in Gilroy, California, and NPI 1083760482, issued on Jan 26, 2007. Check the license (California 10525T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eileen Wun Poon
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 10525T CA
Self-reported in NPPES; status is on the state search - Practice location
- 7520 Arroyo Cir, Gilroy, CA 95020
- Phone
- (408) 848-7040
- Enumerated
- Jan 26, 2007
- Record last updated
- Jan 11, 2022
- Fax
- (408) 848-7072
- Medicare enrollment
- Enrolled (PECOS I20121003000642); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 7520 Arroyo Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Abdolrashidi, PSYDClinical Psychologist1093293094
- Vasumitha Alamelu, MDInternal Medicine Physician1194801613
- Heather AnkenyClinical Psychologist1235329012
- John Arvizu, O.D.Corneal and Contact Management Optometrist1326195538
- Robert Biggs, MDInternal Medicine Physician1770669277
- Paul Cheesman, MDPediatrics Physician1457437972
Verify Eileen Wun Poon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 10525TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average optometrist in 2024
30 Medicare Part D claims for 14 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 77% of claims.
Most prescribed
- Cyclosporine20 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eileen Wun Poon among 8,308 optometrist records in California
Eileen Wun Poon, O.D. 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1995 · median 2008 among the 3,573 with a school on file
- Record last updated2022 · 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).
16 optometrist records list a practice address in Gilroy
They are 16 of the 2,100 NPPES records with a practice address in Gilroy, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Gilroy → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Daniel Brown, O.D.Gilroy, CA 950201477690626
- Nhu Chu, O.D.Gilroy, CA 950201952454001
- Joanne Du, ODGilroy, CA 950201649852120
- Peter Kovach, O.D.Gilroy, CA 950201568593689
- David Lam, O.D.Gilroy, CA 950201942613575
- Phuc Le, OPTOMETRISTGilroy, CA 950201487691085
- Isabella Myers, O.D.Gilroy, CA 950201568918225
- Cary Neunzig, O.D.Gilroy, CA 950201639217235
Common questions
What is Eileen Wun Poon, O.D.'s NPI number?
Eileen Wun Poon, O.D.'s National Provider Identifier (NPI) is 1083760482, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Eileen Wun Poon, O.D. located?
The NPPES record lists a practice address at 7520 Arroyo Cir, Gilroy, CA, 95020. Phone: (408) 848-7040. Providers update this record themselves, so call before visiting.
How can I verify Eileen Wun Poon, O.D.'s license?
NPPES lists California license number 10525T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Eileen Wun Poon, O.D. prescribe under Medicare Part D?
In 2024, Eileen Wun Poon, O.D. had 30 Medicare Part D claims for 14 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.