Steven Ong, O.D., M.S.
Optometrist · Rancho Cordova, CA
Steven Ong, O.D., M.S. is an optometrist with a practice address in Rancho Cordova, California, and NPI 1922150796, issued on Jan 18, 2007. Check the license (California 9644T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven Ong
- Credential
- O.D., M.S.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 9644T CA
Self-reported in NPPES; status is on the state search - Practice location
- 10725 International Dr, Rancho Cordova, CA 95670
- Phone
- (916) 631-2054
- Enumerated
- Jan 18, 2007
- Record last updated
- Jan 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20120822000603); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1987
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 10725 International Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Venugopal Bellum, MDFamily Medicine Physician1225131105
- Ren Bernardo, M.D.Family Medicine Physician1639304389
Verify Steven 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 9644TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average optometrist in 2024
104 Medicare Part D claims for 51 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost32 claims
- Cyclosporine24 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 IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Ong among 8,308 optometrist records in California
Steven Ong, O.D., M.S. 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
- Graduated1987 · 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).
12 optometrist records list a practice address in Rancho Cordova
They are 12 of the 872 NPPES records with a practice address in Rancho Cordova, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Rancho Cordova → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Randy Brown, ODGold River, CA 956701194786053
- Stephen Ching, O.D.Gold River, CA 956701760478028
- Dwight Clark, O.D.Rancho Cordova, CA 956701043321169
- Edwin Cook, O.D.Rancho Cordova, CA 956701790166734
- Teresa Gerard, O.D.Rancho Cordova, CA 956701285849265
- Lori Kam, O.D.Gold River, CA 956701609862960
- Yon Kim, O.D.Rancho Cordova, CA 956701891812855
- Palmer Lee, O.D.Gold River, CA 956701114019171
Common questions
What is Steven Ong, O.D., M.S.'s NPI number?
Steven Ong, O.D., M.S.'s National Provider Identifier (NPI) is 1922150796, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven Ong, O.D., M.S. located?
The NPPES record lists a practice address at 10725 International Dr, Rancho Cordova, CA, 95670. Phone: (916) 631-2054. Providers update this record themselves, so call before visiting.
How can I verify Steven Ong, O.D., M.S.'s license?
NPPES lists California license number 9644T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Steven Ong, O.D., M.S. prescribe under Medicare Part D?
In 2024, Steven Ong, O.D., M.S. had 104 Medicare Part D claims for 51 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.