Judy Ou, MD
NPI 1568483964 · Ophthalmology Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Judy Ou, MD is a Ophthalmology Physician provider in Fremont, CA (NPI 1568483964).
Provider details
- NPI number
- 1568483964
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A84096 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,339 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 791 | $154 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 398 | $19 |
| Imaging of Optic Nerve92133 | 289 | $43 |
| Exam of Visual Field With Extended Testing92083 | 281 | $83 |
| Photography of the Retina92250 | 137 | $46 |
| Established Patient Complete Exam of Visual System92014 | 75 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 572 | 115 |
| Timolol Maleate | 206 | 69 |
| Brimonidine Tartrate | 201 | 63 |
| Cyclosporine | 170 | 52 |
| Cyclosporinebrand: Restasis | 122 | 32 |
| Dorzolamide Hcl | 72 | 17 |
| Erythromycin Basebrand: Erythromycin | 54 | 45 |
| Lifitegrastbrand: Xiidra |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2020-05-26
- Certified
- 2020-05-26
Frequently asked questions
- What is Judy Ou's NPI number?
- Judy Ou's National Provider Identifier (NPI) is 1568483964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judy Ou's specialty?
- Judy Ou is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Judy Ou located?
- Judy Ou's practice location on file with NPPES is 3200 Kearney St, Fremont, CA 94538-2299.
- What is Judy Ou's phone number?
- The practice phone number listed in the NPPES registry for Judy Ou is (510) 498-2043.
- Does Judy Ou accept Medicare?
- Judy Ou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Judy Ou's NPI active?
- Yes — Judy Ou's NPI (1568483964) is active in the NPPES registry as of the last update on 2020-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.