Judy I. Ou, MD
Ophthalmology Physician · Fremont, CA
Judy I. Ou, MD is an ophthalmology physician with a practice address in Fremont, California, and NPI 1568483964, issued on Jul 21, 2006. Check the license (California A84096, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Judy I. Ou
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A84096 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3200 Kearney St, Fremont, CA 94538
- Phone
- (510) 498-2043
- Enumerated
- Jul 21, 2006
- Record last updated
- May 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070122000546); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 3200 Kearney St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jia Afnan, PAPhysician Assistant1376763698
- Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
- Neha AnandFamily Medicine Physician1477810836
- Lauren Auerbach, MDEmergency Medicine Physician1033678990
- Ritika Aulakh, D.OFamily Medicine Physician1346335072
- Rupal Badani, M.D.Pediatrics Physician1598857765
Verify Judy I. Ou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average ophthalmology physician in 2024
1,737 Medicare Part D claims for 346 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Latanoprost572 claims
- Timolol Maleate206 claims
- Brimonidine Tartrate201 claims
- Cyclosporine170 claims
- Restasis122 claims
- Dorzolamide Hcl72 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
- Sutter Bay Medical FoundationFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Judy I. Ou among 2,899 ophthalmology physician records in California
Judy I. Ou, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2002 · median 2001 among the 1,907 with a school on file
- Record last updated2020 · 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 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Fremont → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Amy Badger-Asaravala, M.D.Fremont, CA 945381831389089
- Audrey Chow, MDFremont, CA 945381386106441
- James Cohn, MDFremont, CA 945381043304173
- Taliva Martin, M.D.Fremont, CA 945381386822112
- Sara PrasertsitFremont, CA 945381730321423
- James Resneck, MDFremont, CA 945381740352590
- Timothy Scott, MDFremont, CA 945381902997265
- Amelia Sheh, MDFremont, CA 945381376749713
Common questions
What is Judy I. Ou, MD's NPI number?
Judy I. Ou, MD's National Provider Identifier (NPI) is 1568483964, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Judy I. Ou, MD located?
The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 498-2043. Providers update this record themselves, so call before visiting.
How can I verify Judy I. Ou, MD's license?
NPPES lists California license number A84096, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Judy I. Ou, MD prescribe under Medicare Part D?
In 2024, Judy I. Ou, MD had 1,737 Medicare Part D claims for 346 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.