Provider Profile
Listed in the NPI registry as an optometrist, Timothy W. Robertson, O.D. practices in Corning, CA. Timothy graduated from University of California - School of Optometry in 1990. According to Medicare claims data, Timothy cared for 1,479 Medicare patients across 3,057 services. The services billed most often include microfluid analysis of tears, established patient problem focused exam of visual system, 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.
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.
400 SOLANO ST
Corning, CA 96021
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
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
3,057 services · 1,479 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Placement of amniotic membrane on eye surface for wound healing | Procedure | 65778 |
110 | More often than most peers in Optometrist |
| Closure of tear duct opening using plug | Procedure | 68761 |
55 | As often as other peers in Optometrist |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
37 | More often than most peers in Optometrist |
| Established patient problem focused exam of visual system | Treatment | 92012 |
687 | More than most peers in Optometrist |
| Imaging of retina | Treatment | 92134 |
307 | More than most peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
261 | More than most peers in Optometrist |
| Established patient complete exam of visual system | Treatment | 92014 |
220 | More often than most peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
132 | More than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
65 | More often than most peers in Optometrist |
| Measurement of retinal and optic nerve function | Treatment | 92273 |
63 | More often than most peers in Optometrist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Timothy W. Robertson is an optometrist in Corning, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Timothy W. Robertson is listed at 400 Solano St, Corning, CA 96021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (530) 824-2166. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Timothy W. Robertson's National Provider Identifier is 1255365300. 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
Timothy W. Robertson attended University of California - School of Optometry, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Timothy W. Robertson has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Timothy W. Robertson performs procedures including placement of amniotic membrane on eye surface for wound healing and closure of tear duct opening using plug; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as established patient problem focused exam of visual system and imaging of retina, alongside routine visits and testing. 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 Timothy W. Robertson. 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.