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Edit this profileAt a glance
- 1127 4Th St, Suite A, San Rafael, CA 94901
About Dr. Ong
Kathy Ong, O.D. is an optometrist based in San Rafael, CA. Medicare claims data shows Kathy provided 35 services to 35 patients. The services billed most often include new patient complete exam of visual system and established patient complete exam of visual system. The provider's National Provider Identifier (NPI) is 1609038629.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 295-7811
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1127 4TH ST SUITE A
San Rafael, CA 94901
Conditions Commonly Evaluated or Treated
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
35 services · 35 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient complete exam of visual system | Treatment | 92004 |
22 | As often as other peers in Optometrist |
| Established patient complete exam of visual system | Treatment | 92014 |
13 | Less often than most peers in Optometrist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other optometrists in San Rafael 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2002 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs New patient complete exam of visual system 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Kathy Ong?
Kathy Ong is an optometrist in San Rafael, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Kathy Ong's address?
Kathy Ong is listed at 1127 4Th St Suite A, San Rafael, CA 94901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Kathy Ong?
The number on file is (415) 295-7811. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Kathy Ong?
Kathy Ong's National Provider Identifier is 1609038629. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Kathy Ong train?
Kathy Ong attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Kathy Ong have?
Kathy Ong has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Kathy Ong perform?
According to Medicare billing data, Kathy Ong provides treatments such as new patient complete exam of visual system and established patient complete exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Kathy Ong's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Kathy Ong. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.