Provider Profile
Listed in the NPI registry as an optometrist, Mary H. Dau, O.D. practices in Katy, TX. Mary is also listed as specializing in optometrist — corneal & contact lens. According to Medicare claims data, Mary cared for 38 Medicare patients across 38 services. The services billed most often include photography of the retina, established patient complete exam of visual system, and new patient complete exam of visual system.
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.
6630 FM 1463 RD STE A400
Katy, TX 77494
1848 Fm 359 Rd
Richmond, TX 77406
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
38 services · 38 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Photography of the retina | Treatment | 92250 |
16 | Less often than most peers in Optometrist |
| Established patient complete exam of visual system | Treatment | 92014 |
11 | Less often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
11 | 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.
Mary H. Dau is an optometrist in Katy, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mary H. Dau is listed at 6630 Fm 1463 Rd Ste A400, Katy, TX 77494. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (281) 394-7090. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mary H. Dau's National Provider Identifier is 1205210374. 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
Mary H. Dau attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Mary H. Dau has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mary H. Dau provides treatments such as photography of the retina and established patient complete exam of visual system. 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 Mary H. Dau. 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.