Provider Profile
Dennis Wong, O.D. is an optometrist based in Rialto, CA. Dennis is a 2007 graduate of Southern California College of Optometry. Medicare claims data shows Dennis provided 213 services to 201 patients. The services billed most often include measurement of retinal and optic nerve function, extended exam of the back part of the eye with retinal drawing, and imaging of retina.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1366 S RIVERSIDE AVE
Rialto, CA 92376
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.
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
Most searched procedures
Contact lens exams
Dry eye treatments
Examinations
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
Imaging & tests
Imaging and scans
Minor procedures
Specialty lenses
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Therapy
Urgent care
Vision correction
213 services · 201 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of retinal and optic nerve function | Treatment | 92273 |
55 | More often than most peers in Optometrist |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
52 | More often than most peers in Optometrist |
| Imaging of retina | Treatment | 92134 |
46 | As often as other peers in Optometrist |
| Exam of visual field with intermediate testing | Treatment | 92082 |
25 | As often as other peers in Optometrist |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
18 | Less often than most peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
17 | 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.
Dennis Wong is an optometrist in Rialto, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dennis Wong is listed at 1366 S Riverside Ave, Rialto, CA 92376. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 421-2020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dennis Wong's National Provider Identifier is 1245438365. 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
Dennis Wong attended Southern California College of Optometry, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Dennis Wong has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dennis Wong provides treatments such as measurement of retinal and optic nerve function and extended exam of the back part of the eye with retinal drawing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dennis Wong. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.