Jennifer H. Ong, O.D.
Optometrist · Alameda, CA
Jennifer H. Ong, O.D. is an optometrist with a practice address in Alameda, California, and NPI 1700878055, issued on Aug 22, 2005. Check the license (California OPT10520T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer H. Ong
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT10520T CA
Self-reported in NPPES; status is on the state search - Practice location
- 2223 Santa Clara Ave, Alameda, CA 94501
- Phone
- (510) 521-0551
- Enumerated
- Aug 22, 2005
- Record last updated
- Jan 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (510) 864-0100
- Medicare enrollment
- Enrolled (PECOS I20051003000441); accepts Medicare assignment
- Medical or professional school
- University Alabama Birmingham - School Of Optometry, 1995
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 2223 Santa Clara Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Harvitt, O.D.Optometrist1235360207
Verify Jennifer H. Ong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT10520TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average optometrist in 2024
97 Medicare Part D claims for 50 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Neomycin-Polymyxin-Dexameth66 claims
- Cyclosporine15 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: $100.01
1 payment: food and beverage; the largest payer was Johnson & Johnson Vision Care, 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
- Permanente Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer H. Ong among 8,308 optometrist records in California
Jennifer H. Ong, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% 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 updated2015 · 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).
25 optometrist records list a practice address in Alameda
They are 25 of the 2,492 NPPES records with a practice address in Alameda, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Alameda → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Milan An, O.D.Alameda, CA 945011134276215
- Daniel Chin, DOCTOR OF OPTOMETRYAlameda, CA 945011003969254
- David Jew, O.D.Alameda, CA 945011760539860
- Eugenia Kao, O.D.Alameda, CA 945011265589378
- Eileen Kim, O.D.Alameda, CA 945011427100924
- Nellie LeeAlameda, CA 945011649319245
- Alexander Lukens, O.D.Alameda, CA 945011275533879
- Richard Marcus, O.D,Alameda, CA 945011396804050
Common questions
What is Jennifer H. Ong, O.D.'s NPI number?
Jennifer H. Ong, O.D.'s National Provider Identifier (NPI) is 1700878055, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer H. Ong, O.D. located?
The NPPES record lists a practice address at 2223 Santa Clara Ave, Alameda, CA, 94501. Phone: (510) 521-0551. Providers update this record themselves, so call before visiting.
How can I verify Jennifer H. Ong, O.D.'s license?
NPPES lists California license number OPT10520T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer H. Ong, O.D. prescribe under Medicare Part D?
In 2024, Jennifer H. Ong, O.D. had 97 Medicare Part D claims for 50 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.